75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1

General

Target

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Size

266KB
MD5

eed5db1888b8e7a5615e3c0d2281b4d1
SHA1

80f4be2f8d5c75b77c67d0e9f57a857f196f5524
SHA256

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1
SHA512

f1f9120017919b1f9905fb71b8e6946843b71455b63730aff4dde3584ee648737e326bd549b777396c6ad9fd2c905e195dde8cd0041e9db65b900f4bd0b7d82f
SSDEEP

6144:MRAhhJxX7bNIAROzTuft84FpJmWEHacwGpBdmfEPYOvgIqPr:UsAAPF84FpJmCAd9wOvfK

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

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exespoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe

Executes dropped EXE 1 IoCs

Processes:

spoolsv.exe

pid process

908 spoolsv.exe

pid	process
908	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exespoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mssue32.exe"	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mssue32.exe"	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

spoolsv.exe75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File created	C:\Windows\SysWOW64\mssue32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File opened for modification	C:\Windows\SysWOW64\mssue32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File created	C:\Windows\SysWOW64\concp32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File created	C:\Windows\SysWOW64\vcl32.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

Drops file in Windows directory 2 IoCs

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

description	ioc	process
File created	C:\Windows\spoolsv.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
File opened for modification	C:\Windows\spoolsv.exe	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

Modifies registry class 12 IoCs

Processes:

spoolsv.exe75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BA26C12C-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 19a65b4b867a20f59817407150fef0ae	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

pid process

812 75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

pid	process
812	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe

description	pid	process	target process
PID 812 wrote to memory of 908	812	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe	spoolsv.exe
PID 812 wrote to memory of 908	812	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe	spoolsv.exe
PID 812 wrote to memory of 908	812	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe	spoolsv.exe
PID 812 wrote to memory of 908	812	75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.exe
"C:\Users\Admin\AppData\Local\Temp\75f26c7eed7a10b4fa100afae908f7ef9c6aec74e248b547a19101fd44eff3a1.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:812

C:\Windows\spoolsv.exe
C:\Windows\spoolsv.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:908

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\spoolsv.exe
Filesize
271KB

MD5
bdd4761bb41daf89f2ec994f9a0ef0d8

SHA1
440e0bc3e2d414cb5d6cb7627c686ca9ee5cd071

SHA256
1ceb11b0138eb4d36637ac3b39c58212a552287ebbd4dabe255a84b82d012912

SHA512
1eed4f585f5b991a5664b0a1f9da5e9b9431fd3a340501ea07f4d4f1133deab02983bc8e95b9e67540ed0b22152f532e4a67f7b140d048d55c5bd1a419d3af08

Download Submit
memory/812-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/812-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/908-55-0x0000000000000000-mapping.dmp

Download
memory/908-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/908-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads