Gen.Heur.Minggy.1_160aaddd08

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:772
fklek.exe:716

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:772 makes changes in the file system.

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

%Documents and Settings%\All Users\Application Data\fklek.exe (914498 bytes)
%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (542871 bytes)

The process fklek.exe:716 makes changes in the file system.

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

C:\AUTOEXEC.BAT .exe (1455811 bytes)
C:\%original file name%.exe .exe (1455811 bytes)
C:\MSDOS.SYS .exe (1455811 bytes)
C:\IO.SYS .exe (1455811 bytes)
C:\boot.ini .exe (1455811 bytes)
%Documents and Settings% .exe (1455811 bytes)
C:\RECYCLER .exe (1455811 bytes)
C:\ntldr .exe (1455811 bytes)
C:\original .exe (1455811 bytes)
C:\totalcmd .exe (1455811 bytes)
C:\NTDETECT.COM .exe (1455811 bytes)
C:\System Volume Information .exe (1455811 bytes)
C:\CONFIG.SYS .exe (1455811 bytes)
C:\marker .exe (1455811 bytes)
%Program Files% .exe (1455811 bytes)
%WinDir% .exe (1455811 bytes)
C:\pagefile.sys .exe (1455811 bytes)

The Trojan deletes the following file(s):

C:\Mirax (0 bytes)
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miras (0 bytes)
C:\Miral (0 bytes)
C:\Mirai (0 bytes)
C:\Mirad (0 bytes)
C:\Mirae (0 bytes)
C:\Miraa (0 bytes)

Registry activity

The process %original file name%.exe:772 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C6 A9 85 AF D1 B0 28 13 11 BF BB F2 13 63 CE 72"

[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 fklek.exe:716 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\fklek.exe"

Dropped PE files

MD5	File path
5e7c5377f5a9f89bd200fb64c41f61f7	c:\%original file name%.exe .exe
9cc9e15ca5a2b3744fc853ad95ac8f39	c:\AUTOEXEC.BAT .exe
5c0b2d9917cb52068a3cd23f8a3b1fe8	c:\CONFIG.SYS .exe
2e7856eb1ab03ea47d49f010ea4ae9f6	c:\Documents and Settings .exe
d882647ae95e92c82bd66478d7043df3	c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h
4b1d50851f3ce74d49a0088ccfb5ec37	c:\Documents and Settings\All Users\Application Data\fklek.exe
07e5f11462d1ee6d76741bb38f8fe64f	c:\IO.SYS .exe
74218c7d2a408af14df595f28c87dd0c	c:\MSDOS.SYS .exe
d1053de154e3d84a1ddff9b0f06eac26	c:\NTDETECT.COM .exe
2e602aaa19a87930bf9edbe093d9cbf5	c:\Perl .exe
e7ba173661a031a76c2881c4f342e8da	c:\Program Files .exe
6ff5ea467720703840c1b9fb7d019d7a	c:\RECYCLER .exe
b913118e2490108c96a551335b4b8e7f	c:\System Volume Information .exe
ef32fee4b010724627ed0b30dedfed64	c:\WINDOWS .exe
56215510481049188e9532d67d5a4963	c:\boot.ini .exe
4600bc555fe7f5ec2faae6ce7a30e95f	c:\marker .exe
b75e21896a0ad2f9345c5e79dee42223	c:\ntldr .exe
6e5452ec984d20bb54d8d2f0edcc1ca0	c:\original .exe
19bb262055dc17d5944a956922c67a06	c:\pagefile.sys .exe
b06c3b5140d58217bde5211e40aadeba	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:772
   fklek.exe:716

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\fklek.exe (914498 bytes)
   %Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (542871 bytes)
   C:\AUTOEXEC.BAT .exe (1455811 bytes)
   C:\%original file name%.exe .exe (1455811 bytes)
   C:\MSDOS.SYS .exe (1455811 bytes)
   C:\IO.SYS .exe (1455811 bytes)
   C:\boot.ini .exe (1455811 bytes)
   %Documents and Settings% .exe (1455811 bytes)
   C:\RECYCLER .exe (1455811 bytes)
   C:\ntldr .exe (1455811 bytes)
   C:\original .exe (1455811 bytes)
   C:\totalcmd .exe (1455811 bytes)
   C:\NTDETECT.COM .exe (1455811 bytes)
   C:\System Volume Information .exe (1455811 bytes)
   C:\CONFIG.SYS .exe (1455811 bytes)
   C:\marker .exe (1455811 bytes)
   %Program Files% .exe (1455811 bytes)
   %WinDir% .exe (1455811 bytes)
   C:\pagefile.sys .exe (1455811 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\fklek.exe"

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

Static Analysis

VersionInfo

No information is available.

No information is available.

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	26552	26624	4.19986	780517f141ccf162e15a7c15202f4611

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
7bf219efd95d416678e1f28f4206ed28
5b2c6910cd6609e36fa2ea587313e94b

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

fklek.exe_716:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

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

%Documents and Settings%\All Users\Application Data\fklek.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