3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a

General

Target

3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Size

184KB
MD5

04a894f696c11abeb77b5f845159b7f1
SHA1

705bb4f77ef157b177fe5cfc75e406338b032173
SHA256

3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a
SHA512

a1042177f6d3f0bf079c5fbb37eeb8070c49da604d4ba6937f757b4d402bbae254f1f76adb024192dcfa55cc05f4b8732f4df0034a59705d523cc1e4491086cd
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ON27Usy3/ROzTU9YMftqr40hteO4UNuTEHEgi+IgT:MRAhhJxX7bNIAROzTuft840hkkPJFT

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\" %*"	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.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
1116	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\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msarn32.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msarn32.exe"	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.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"	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msarn32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File opened for modification	C:\Windows\SysWOW64\msarn32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File created	C:\Windows\SysWOW64\concp32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File created	C:\Windows\SysWOW64\vcl32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
File opened for modification	C:\Windows\svchost.exe	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 484d73a6526064362e57006fcb4a3d32	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DB788670-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
112	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1116	112	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe	27
PID 112 wrote to memory of 1116	112	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe	27
PID 112 wrote to memory of 1116	112	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe	27
PID 112 wrote to memory of 1116	112	3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe	27

C:\Users\Admin\AppData\Local\Temp\3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.exe
"C:\Users\Admin\AppData\Local\Temp\3cbef34cc3a5c296f343b0f87f96f77c6d4cad5dc73e79ac660a50630474c73a.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:112
- 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:1116

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
188KB

MD5
5399c4b7601839d8e99e3cfcc663e4d0

SHA1
d365a7c237a555fbfe26e8148b06d4c89a41c304

SHA256
7abf826083369ef17d37c8ff25cb6f386749975816e1f744301508d049b9037e

SHA512
c6f5f4943440372773cef86154d601dbf05f0c73c1eaf8d4dd83dd396db4f94526c86b7da6dac55604c996720e33c64477d06641257aa36f44edc2b37028c038

Download Submit
memory/112-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/112-56-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1116-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1116-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads