Gen.Trojan.Heur.Vy1vuXPjoji_d47df9e216

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:316
inqafy.exe:392

The Trojan injects its code into the following process(es):No processes have been created.

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:316 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (559962 bytes)
%Documents and Settings%\All Users\Application Data\inqafy.exe (975394 bytes)

The process inqafy.exe:392 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

C:\AUTOEXEC.BAT .exe (1540319 bytes)
C:\MSDOS.SYS .exe (1540319 bytes)
C:\IO.SYS .exe (1540319 bytes)
C:\boot.ini .exe (1540319 bytes)
C:\%original file name%.exe .exe (1540319 bytes)
%Documents and Settings% .exe (1540319 bytes)
C:\RECYCLER .exe (1540319 bytes)
C:\ntldr .exe (1540319 bytes)
C:\original .exe (1540319 bytes)
C:\totalcmd .exe (1540319 bytes)
C:\NTDETECT.COM .exe (1540319 bytes)
C:\System Volume Information .exe (1540319 bytes)
C:\CONFIG.SYS .exe (1540319 bytes)
C:\marker .exe (1540319 bytes)
%Program Files% .exe (1540319 bytes)
%WinDir% .exe (1540319 bytes)
C:\pagefile.sys .exe (1540319 bytes)

The Trojan deletes the following file(s):

C:\Mirax (0 bytes)
C:\Miray (0 bytes)
C:\Mirat (0 bytes)
C:\Mirav (0 bytes)
C:\Miraw (0 bytes)
C:\Mirar (0 bytes)
C:\Miras (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirao (0 bytes)
C:\Mirah (0 bytes)
C:\Mirai (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Miraf (0 bytes)
C:\Miraa (0 bytes)

Registry activity

The process %original file name%.exe:316 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E6 5C 69 72 0C 20 E8 9A 98 F0 BC 54 AE 22 13 7F"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process inqafy.exe:392 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Microsoft® Windows® Operating System" = "%Documents and Settings%\All Users\Application Data\inqafy.exe"

Dropped PE files

MD5	File path
96845a2c0b871e434b0223463ffbadab	c:\AUTOEXEC.BAT .exe
779fa7301057a20a7a97608f79a5f160	c:\CONFIG.SYS .exe
d32bb7935e8eea21d4517ad2d33f0cb7	c:\Documents and Settings .exe
c126447d0756d3843fe21bc8d1b35083	c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h
2247ff71dfc1022087ef66848944d860	c:\Documents and Settings\All Users\Application Data\inqafy.exe
2d258bd52e517bf6975f1c5721565db3	c:\IO.SYS .exe
943c8a9e94a0e18333c34986c8639d52	c:\MSDOS.SYS .exe
6962833d8b179d700a7cb527aeb090b4	c:\NTDETECT.COM .exe
fc47cc0ddf0444c0658eec85311aa053	c:\Perl .exe
6d17b0cddb1fb8e1706036a8787a945a	c:\Program Files .exe
bfb3535c766e8ee07ef5517196cd97e2	c:\RECYCLER .exe
8f5f384efabdbf4ac18665eaa5946058	c:\System Volume Information .exe
e0080f8a9b4e665c1317d5858f2e7bf5	c:\WINDOWS .exe
d9fbb7064b810498a962717dee2a4058	c:\boot.ini .exe
e0bec75ad8fcf05ef1c06f7318288f40	c:\%original file name%.exe .exe
4680fadfe889d356b0e1fbd28deec7ed	c:\marker .exe
ed62a601562b482f4e718a21afb70154	c:\ntldr .exe
2dd76468c227d313411272b67396260b	c:\original .exe
4ed91ee087cce00deec650e26a2dcb6a	c:\pagefile.sys .exe
708e3ce3444e51c222f8b0b9c78703f2	c:\totalcmd .exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):

   %original file name%.exe:316
   inqafy.exe:392

2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:

   %Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (559962 bytes)
   %Documents and Settings%\All Users\Application Data\inqafy.exe (975394 bytes)
   C:\AUTOEXEC.BAT .exe (1540319 bytes)
   C:\MSDOS.SYS .exe (1540319 bytes)
   C:\IO.SYS .exe (1540319 bytes)
   C:\boot.ini .exe (1540319 bytes)
   C:\%original file name%.exe .exe (1540319 bytes)
   %Documents and Settings% .exe (1540319 bytes)
   C:\RECYCLER .exe (1540319 bytes)
   C:\ntldr .exe (1540319 bytes)
   C:\original .exe (1540319 bytes)
   C:\totalcmd .exe (1540319 bytes)
   C:\NTDETECT.COM .exe (1540319 bytes)
   C:\System Volume Information .exe (1540319 bytes)
   C:\CONFIG.SYS .exe (1540319 bytes)
   C:\marker .exe (1540319 bytes)
   %Program Files% .exe (1540319 bytes)
   %WinDir% .exe (1540319 bytes)
   C:\pagefile.sys .exe (1540319 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Microsoft® Windows® Operating System" = "%Documents and Settings%\All Users\Application Data\inqafy.exe"

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

Company Name: Microsoft Corporation
Product Name: Mira Malware
Product Version: 1.0.0.155
Legal Copyright: Microsoft Corporation
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.155
File Description: Mira Malware
Comments:
Language: English (United States)

Company Name: Microsoft CorporationProduct Name: Mira MalwareProduct Version: 1.0.0.155Legal Copyright: Microsoft CorporationLegal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.155File Description: Mira MalwareComments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	245368	245760	4.21465	8b164ac8ef3742f37830dc1842275667
.data	249856	608	1024	0.488703	6fda88cf7188a8245a53dfde927250fd
.rdata	253952	9384	9728	3.47165	dbe852009dbd077a9976cb0ecfb9aadf
.bss	266240	18576	0	0	d41d8cd98f00b204e9800998ecf8427e
.idata	286720	2212	2560	2.97703	5e5242c565219f3bd33a6568632559dc
.rsrc	290816	527252	525569	4.93099	cdd7e01891a8b9e4baab46050a01dbde

Dropped from:

12ed542779a0fec691c647c7a9257924

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps

inqafy.exe_392:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

%Documents and Settings%\All Users\Application Data\inqafy.exe

%Documents and Settings%\All Users\Application Data\inqafy.exe

Software\Microsoft\Windows\CurrentVersion\Run

Software\Microsoft\Windows\CurrentVersion\Run

Windows

Windows

Operating System

Operating System

%H:%M:%S

%H:%M:%S

%m/%d/%y

%m/%d/%y

-0123456789

-0123456789

%s:%u: failed assertion `%s'

%s:%u: failed assertion `%s'

RegCloseKey

RegCloseKey

RegOpenKeyA

RegOpenKeyA

ADVAPI32.DLL

ADVAPI32.DLL

KERNEL32.dll

KERNEL32.dll

msvcrt.dll

msvcrt.dll

SHELL32.DLL

SHELL32.DLL