088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4

General

Target

088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Size

626KB
MD5

66e040a8526314a9047f8b7a57daec27
SHA1

3e45bb83154d1b618673634e356c398584e248da
SHA256

088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4
SHA512

6ddc322339d915fbc721b05cec2d46871f463894b65f5133be381b36e09ff81cd13b2727232338639418d7bf958f2d70468eff99e82393b2a199d1484867a6cc
SSDEEP

12288:NtKe6Zv23YdqMGHGSX1388BxGVI43GVpinc0wMCgzBcCrrTjN0KyleYhibhC5GNU:d6Zv2jbW1Sac0HC7CrrTyWbhIU8X

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 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\" %*"	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
960	svchost.exe

Modifies Installed Components in the registry 2 TTPs 4 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\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msama32.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msama32.exe"	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe

Adds Run key to start application 2 TTPs 4 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"	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msama32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File created	C:\Windows\SysWOW64\concp32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File created	C:\Windows\SysWOW64\vcl32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File created	C:\Windows\SysWOW64\msama32.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
File opened for modification	C:\Windows\svchost.exe	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3b40fa19fbc618ef49062b70c927c461	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
832	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 960	832	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe	28
PID 832 wrote to memory of 960	832	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe	28
PID 832 wrote to memory of 960	832	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe	28
PID 832 wrote to memory of 960	832	088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe	28

C:\Users\Admin\AppData\Local\Temp\088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
"C:\Users\Admin\AppData\Local\Temp\088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe
  2⤵
  - Modifies system executable filetype association
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Modifies registry class
  PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchost.exe

Filesize
630KB

MD5
9e6ab24f618a5c60a6f6d47bb91d33a1

SHA1
f47a9000ccf528fa22968b68ed9feffd07d8e452

SHA256
938661438543a4ebb86cbc9e11674faedbdfb12d1b1cdd1cb29af1c92c90bbe8

SHA512
f5ab8ea0a68075929e01646fb5929b91659f85276f39b7d6ca6560851d2c550e33633555b93b7a783341a00f0e47e80227825da7ef9e5e2f2593bd80c7bbe932

Download Submit
memory/832-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/832-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/960-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/960-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads