Gen.Heur.Minggy.1_b41665584d

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

vnkpdd.exe:972
%original file name%.exe:556

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 vnkpdd.exe:972 makes changes in the file system.

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

C:\AUTOEXEC.BAT .exe (1455811 bytes)
C:\MSDOS.SYS .exe (1455811 bytes)
C:\IO.SYS .exe (1455811 bytes)
C:\%original file name%.exe .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:\Mirau (0 bytes)
C:\Miraw (0 bytes)
C:\Mirar (0 bytes)
C:\Miras (0 bytes)
C:\Miral (0 bytes)
C:\Miran (0 bytes)
C:\Mirao (0 bytes)
C:\Mirah (0 bytes)
C:\Mirai (0 bytes)
C:\Mirak (0 bytes)
C:\Mirad (0 bytes)
C:\Miraf (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirab (0 bytes)

The process %original file name%.exe:556 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 (542871 bytes)
%Documents and Settings%\All Users\Application Data\vnkpdd.exe (914498 bytes)

Registry activity

The process vnkpdd.exe:972 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\vnkpdd.exe"

The process %original file name%.exe:556 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "95 10 72 AE C4 C1 A3 C0 83 C5 A7 00 C6 72 3F 1B"

[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"

Dropped PE files

MD5	File path
46c00b0934cea970d24bb7559958e0e5	c:\AUTOEXEC.BAT .exe
f5c66277491f9c1a3bcf8fc70b915a3f	c:\CONFIG.SYS .exe
97dc9ed21e34a4e8a17281158d3b4ba6	c:\Documents and Settings .exe
a17c5d4d029b25865e8d97986fd5aaa3	c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h
c524dc7fa43366c878f63d05fbc07265	c:\Documents and Settings\All Users\Application Data\vnkpdd.exe
91dbc96978035a89a343921a080909c8	c:\IO.SYS .exe
4e44b3e1e99951fef5047315757dc2db	c:\MSDOS.SYS .exe
ad863e8a1884310b276faaa28b3ffe47	c:\NTDETECT.COM .exe
b05881e3244590d6d8f46c528322facb	c:\Perl .exe
f4799ecc0dee6758c927b7c49151dbe2	c:\Program Files .exe
ead4ded261c41a95a534bd0629ec634b	c:\RECYCLER .exe
b38296cc9e85d6f1becb01bae840eead	c:\System Volume Information .exe
103989f53fe28f7c34733ce36b3dfb9c	c:\WINDOWS .exe
96ed04f29a17676336ba4ac34e897e57	c:\%original file name%.exe .exe
13c56dba2e739b6e622c9366e4ad823e	c:\boot.ini .exe
8adc317d06996bb3fbe6910e3dd0d770	c:\marker .exe
bcaafd80747c95e631a603e1a7593c8e	c:\ntldr .exe
acab1d219611d5fe18f22a99f3d05de0	c:\original .exe
d7a60e6cfa009a84fb92ba74a7e23dfc	c:\pagefile.sys .exe
8a64afb6bbc9a2119e0d5486fdc3414c	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):

   vnkpdd.exe:972
   %original file name%.exe:556

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

   C:\AUTOEXEC.BAT .exe (1455811 bytes)
   C:\MSDOS.SYS .exe (1455811 bytes)
   C:\IO.SYS .exe (1455811 bytes)
   C:\%original file name%.exe .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)
   %Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (542871 bytes)
   %Documents and Settings%\All Users\Application Data\vnkpdd.exe (914498 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\vnkpdd.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	3.92625	a2b4f664355a47ef637ab1b69cef2c5e
.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	4.17148	92863b1f9ca0d911b1b73f81b0afa90d

Dropped from:

88315805f76e4709bf3767c2518029e2

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

vnkpdd.exe_972:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

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

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