fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064

Analysis

max time kernel
174s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 10:45

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General

Target
fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Size 645KB
Sample221106-mttjgsaear
SHA256 fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064
MD5 1ad77928009825b615b9a8e90abe0e10
SHA1 76e0d078d2d3bec754eff424e34bd11191fdd80f
SHA512 5113905178aea5f1e6fd0276b79d26ba276c4a68fad713089c8a7a77b4fb8b8bd93bd0bb934e43c0cfef78dc7df80227c8361bbe8002f9f9ab7b1a20c78f62a9
SSDEEP 12288:NtKe6Zv23YdqMGHGSX1388BxGVI43GVpinJMcOf9GUfRNNgh0Ti2T:d6Zv2jbW1SaRsRTdT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msoni32.exe"	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
File created	C:\Windows\SysWOW64\msoni32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
File opened for modification	C:\Windows\SysWOW64\msoni32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
File created	C:\Windows\SysWOW64\concp32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4936	1488	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ef56a997862324a852d5fbc4bcae26e2	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FCCDCA0-8B9A-11D5-EBA1-F78EEEEEE983}	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1488	fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe

C:\Users\Admin\AppData\Local\Temp\fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe
"C:\Users\Admin\AppData\Local\Temp\fab0afd1a8bbe36b8ff4a7157764ad22434a292b629b67bec525cdb550161064.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 732
  2⤵
  - Program crash
  PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1488 -ip 1488
1⤵
PID:312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1488-132-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/1488-133-0x0000000000400000-0x0000000000435000-memory.dmp

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