22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a

General

Target

22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Size

482KB
MD5

64d539754aa73c1abd24d1d757e4c7b0
SHA1

bccddf6203e31f9d07e4186a059aad22199040a5
SHA256

22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a
SHA512

2f125ba840d55dca75e7c84328dc3d5f869371400183b8ba0214b1cae936dc1587fa5c8a17c923e9d2043d1e9860cd6e67942e08d6ce9bb6c6d0f5be9255f6db
SSDEEP

12288:UsAAPaPUD18t/R/OgRs6dBFHVr9Bw6qVB6qVN:UsMP7tMEs6ddPwdBdN

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\" %*"	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.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

pid	Process
1768	spoolsv.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\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msnmo32.exe"	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msnmo32.exe"	spoolsv.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\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File created	C:\Windows\SysWOW64\msnmo32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File opened for modification	C:\Windows\SysWOW64\msnmo32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File created	C:\Windows\SysWOW64\concp32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File created	C:\Windows\SysWOW64\vcl32.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
File opened for modification	C:\Windows\spoolsv.exe	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-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\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ae1363bb015cbe7cbf065ade5ac928cb	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DC66B278-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1204	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1768	1204	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe	27
PID 1204 wrote to memory of 1768	1204	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe	27
PID 1204 wrote to memory of 1768	1204	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe	27
PID 1204 wrote to memory of 1768	1204	22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe	27

C:\Users\Admin\AppData\Local\Temp\22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.exe
"C:\Users\Admin\AppData\Local\Temp\22f1bb06be7668bd7e550a6669f7e7f0b57cf76ffc4945f01da790ae07504d9a.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:1204
- 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:1768

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\spoolsv.exe

Filesize
487KB

MD5
ec5f001ff7191bf98e983e11848e747b

SHA1
3801f5fd50ce2e2c90cac2f8e06fd80e94e8772d

SHA256
2269df603327a2836eb93ef5564a63a5d6002fc0fc14178f019b7dde7b7b0b59

SHA512
9c8728e55b7c4b7156f5ef9eb21443e26e67bdb4ceb210220b298953e350cbee3dfb65260bfee0fae03d3579209278688b31601bd62b0194b8859c88dc2fd873

Download Submit
memory/1204-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1204-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1768-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1768-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads