Gen.Trojan.Heur.9y1vqu9UYmi_bd18aa923a

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:3308
axyvgc.exe:3400

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:3308 makes changes in the file system.

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

C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
C:\ProgramData\axyvgc.exe (1020884 bytes)

The process axyvgc.exe:3400 makes changes in the file system.

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

C:\original .exe (1963131 bytes)
C:\config.sys .exe (1963131 bytes)
C:\%original file name%.exe .exe (1963131 bytes)
C:\bootmgr .exe (1963131 bytes)
C:\Boot .exe (1963131 bytes)
C:\Windows .exe (1963131 bytes)
C:\ProgramData .exe (1963131 bytes)
C:\$Recycle.Bin .exe (1963131 bytes)
C:\BOOTSECT.BAK .exe (1963131 bytes)
%Documents and Settings% .exe (1963131 bytes)
C:\totalcmd .exe (1963131 bytes)
C:\Users .exe (1963131 bytes)
C:\XELDZ .exe (1963131 bytes)
C:\autoexec.bat .exe (1963131 bytes)
C:\System Volume Information .exe (1963131 bytes)
C:\marker .exe (1963131 bytes)
%Program Files% .exe (1963131 bytes)
C:\pagefile.sys .exe (1963131 bytes)

The Trojan deletes the following file(s):

C:\Mirax (0 bytes)
C:\Miray (0 bytes)
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Mirav (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miral (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirah (0 bytes)
C:\Miraj (0 bytes)
C:\Mirad (0 bytes)
C:\Mirae (0 bytes)
C:\Miraf (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirac (0 bytes)

Registry activity

The process axyvgc.exe:3400 makes changes in the system registry.

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

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" = "C:\ProgramData\axyvgc.exe"

Dropped PE files

MD5	File path
02a1d298e601e39cc9b00666dc66d093	c:\$Recycle.Bin .exe
361ca11522787d42decbfdea33021a1a	c:\BOOTSECT.BAK .exe
cbb0a20d3acf7ed6679d686be34fae10	c:\Boot .exe
f95f44eeda7d01e9d22dc4e7e225a7fd	c:\Documents and Settings .exe
74870bb2ee7b3495d2a7a421196e42a1	c:\Perl .exe
83ee75596b994911dc7ccf1aacd5a07d	c:\Program Files .exe
ccd7a6899e5450907e3afa63e56481f5	c:\ProgramData .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\ProgramData\Saaaalamm\Mira.h
18d732d40dadac36eea5d9d252bbc23c	c:\ProgramData\axyvgc.exe
d9a287de50c2e0977c539cd7ae5b1890	c:\System Volume Information .exe
729d9e6e7fee2fb298e277a96c6e6849	c:\Users .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\Users\All Users\Saaaalamm\Mira.h
18d732d40dadac36eea5d9d252bbc23c	c:\Users\All Users\axyvgc.exe
e77d634bc6fba35bf3844cc48a4ba345	c:\Windows .exe
6d47c022b44237b0390878f3d604ea10	c:\XELDZ .exe
e10363088937d271ca0eae08ec62dca1	c:\autoexec.bat .exe
f9a965d1f6ce81a519e995976b106c18	c:\%original file name%.exe .exe
a6396dee9de39495841bfcca788f6484	c:\bootmgr .exe
d9dfb871f1d257cae9908149d72b4208	c:\config.sys .exe
d9042ad261776fdbb3c4884442983a9c	c:\marker .exe
99d3d610f8352468487b90892054636d	c:\original .exe
96c9f205bd6165f1381c9de8d318b2cf	c:\pagefile.sys .exe
840853eae8de6d9097ac79b6047a02ee	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:3308
   axyvgc.exe:3400

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

   C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
   C:\ProgramData\axyvgc.exe (1020884 bytes)
   C:\original .exe (1963131 bytes)
   C:\config.sys .exe (1963131 bytes)
   C:\%original file name%.exe .exe (1963131 bytes)
   C:\bootmgr .exe (1963131 bytes)
   C:\Boot .exe (1963131 bytes)
   C:\Windows .exe (1963131 bytes)
   C:\ProgramData .exe (1963131 bytes)
   C:\$Recycle.Bin .exe (1963131 bytes)
   C:\BOOTSECT.BAK .exe (1963131 bytes)
   %Documents and Settings% .exe (1963131 bytes)
   C:\totalcmd .exe (1963131 bytes)
   C:\Users .exe (1963131 bytes)
   C:\XELDZ .exe (1963131 bytes)
   C:\autoexec.bat .exe (1963131 bytes)
   C:\System Volume Information .exe (1963131 bytes)
   C:\marker .exe (1963131 bytes)
   %Program Files% .exe (1963131 bytes)
   C:\pagefile.sys .exe (1963131 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" = "C:\ProgramData\axyvgc.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	758300	750839	4.89243	e6ce3ea82de823938b0dadba2e547efc

Dropped from:

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

axyvgc.exe_3400:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

C:\ProgramData\axyvgc.exe

C:\ProgramData\axyvgc.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