7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334

General

Target

7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Size

464KB
MD5

fdf8218be046b3de1f56632d723b3990
SHA1

3987e62a0f46eac4b30c3fbec4e78c4419e85b3b
SHA256

7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334
SHA512

33d944c061d1e05b52c8bf1fd2c88434bc9f908225f0c78ad311bc03c699bd1dc1ea3c4591d4ca7c37dd12fcbc44b9c3c45c760d220d717ad52b5f78142cfd0b
SSDEEP

6144:yiNjjdOCJnUNKMEPDGeoo1HyisWW4g0QTxbGctE6Jm20tdVgWwAidpNCgrBF:TjjwULQoN84XQT08JoVgWwAkAQ

Score

8^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0006000000022e23-133.dat	aspack_v212_v242
behavioral2/files/0x0006000000022e23-134.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2740	dwm.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	Regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GGHMUM.EXE = "C:\\Program Files (x86)\\svchost.exe"	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe

Enumerates connected drives 3 TTPs 18 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\T:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\H:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\L:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\P:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\Q:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\R:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\S:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\U:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\I:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\K:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\O:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\E:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\F:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\N:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\V:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\G:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\J:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened (read-only)	\??\M:	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\VCG.EXE	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File created	C:\Windows\SysWOW64\Ms7002.dll	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NQDDTJ.EXE	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File opened for modification	C:\Program Files (x86)\NQDDTJ.EXE	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
File created	C:\Program Files (x86)\svchost.exe	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe

Modifies registry class 26 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QPWorkFile\qp7002 = "C:\\Windows\\SysWow64\\VCG.EXE"	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\InprocServer32\ = "C:\\Windows\\SysWow64\\Ms7002.dll"	Regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ms7002.ShellExecuteHook\ = "MaiHook7002"	Regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ms7002.ShellExecuteHook\Clsid\ = "{7CD4138D-4147-420B-9749-00A13B526785}"	Regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\odt\\VCG.EXE %1"	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\InprocServer32	Regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\ProgID\ = "Ms7002.ShellExecuteHook"	Regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Program Files (x86)\\NQDDTJ.EXE \"%1\""	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\odt\\VCG.EXE \"%1\""	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\ProgID	Regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Program Files (x86)\\NQDDTJ.EXE %1"	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\ = "MaiHook7002"	Regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}\InprocServer32\ThreadingModel = "Apartment"	Regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ms7002.ShellExecuteHook	Regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ms7002.ShellExecuteHook\Clsid	Regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QPWorkFile	dwm.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QPWorkFile	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7CD4138D-4147-420B-9749-00A13B526785}	Regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	dwm.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 2228	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	82
PID 3868 wrote to memory of 2228	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	82
PID 3868 wrote to memory of 2228	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	82
PID 3868 wrote to memory of 2740	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	83
PID 3868 wrote to memory of 2740	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	83
PID 3868 wrote to memory of 2740	3868	7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe	83

C:\Users\Admin\AppData\Local\Temp\7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe
"C:\Users\Admin\AppData\Local\Temp\7fe421f3fb5dc7b7d809bc340a8afff4a0f25d4597728f8c8e6df6cd23e61334.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Windows\SysWOW64\Regsvr32.exe
  Regsvr32.exe C:\Windows\system32\Ms7002.dll /s
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:2228
- C:\odt\dwm.exe
  C:\odt\dwm.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Ms7002.dll

Filesize
52KB

MD5
876a2a99b81968f5b26e3cbe12063d2b

SHA1
7afa8f33b691b2651b65eb07220cc2fda4b7537c

SHA256
f0a7ec2edff7699e546221808f45ca8816a75eb519618283d7c4514dfb9134e0

SHA512
ca0574dbb5ff4b146679ffc38aa794e64470949cd228518d04d3680d63a1ce2f076e38494fa5b6cd0722c2dc3e35c5b5c3b63483c1fa7dc62bca42c4cf8e0ce1

Download Submit
C:\Windows\SysWOW64\Ms7002.dll

Filesize
52KB

MD5
876a2a99b81968f5b26e3cbe12063d2b

SHA1
7afa8f33b691b2651b65eb07220cc2fda4b7537c

SHA256
f0a7ec2edff7699e546221808f45ca8816a75eb519618283d7c4514dfb9134e0

SHA512
ca0574dbb5ff4b146679ffc38aa794e64470949cd228518d04d3680d63a1ce2f076e38494fa5b6cd0722c2dc3e35c5b5c3b63483c1fa7dc62bca42c4cf8e0ce1

Download Submit
C:\odt\dwm.exe

Filesize
464KB

MD5
e6d0a46a168d154fd609edbe4c807179

SHA1
ead21a872ad7a107035b0c29accbe23ec200a695

SHA256
16f1753e1053ffeb4098ed619b90341f8f11e767647258fe626d14e4510d6c80

SHA512
e9e9e6054b2f15efaef8c3ff4afcf23577911faf70238789c0172bb471c165cb8a3222d9a6a573cb69f30bd1d4a07291461f939debe37e80519754a8256ccae3

Download Submit
C:\odt\dwm.exe

Filesize
464KB

MD5
e6d0a46a168d154fd609edbe4c807179

SHA1
ead21a872ad7a107035b0c29accbe23ec200a695

SHA256
16f1753e1053ffeb4098ed619b90341f8f11e767647258fe626d14e4510d6c80

SHA512
e9e9e6054b2f15efaef8c3ff4afcf23577911faf70238789c0172bb471c165cb8a3222d9a6a573cb69f30bd1d4a07291461f939debe37e80519754a8256ccae3

Download Submit

Analysis

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