61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d

General

Target

61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Size

644KB
MD5

8b10f49469b2ad6d3876395d92a4bcd4
SHA1

279db35927cf8502b6c24753b8cbd4d9e8a60d31
SHA256

61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d
SHA512

8ae8ca384ea8ecde9b34d5456da31488386b5b861da3cb37c5e09d1cf1b77ffd02224e0cef234823c94046f7269228c2f646c8924c946b5291352ad4d8a09378
SSDEEP

12288:UsAqMGHGSX1388BxGVI43GVpinJ2suEn23teGb/1HeT5lr1wa1jIsPYF:UsBbW1SaUEn2deGb1+Nlr1waBqF

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\" %*"	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.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
896	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\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msead32.exe"	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msead32.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File created	C:\Windows\SysWOW64\vcl32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File created	C:\Windows\SysWOW64\msead32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File opened for modification	C:\Windows\SysWOW64\msead32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File created	C:\Windows\SysWOW64\concp32.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
File opened for modification	C:\Windows\spoolsv.exe	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 79552f545042209e66f86e4a1ef01b21	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38B26CE3-8B9A-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\{38B26CE3-8B9A-11D5-EBA1-F78EEEEEE983}	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1172	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 896	1172	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe	28
PID 1172 wrote to memory of 896	1172	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe	28
PID 1172 wrote to memory of 896	1172	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe	28
PID 1172 wrote to memory of 896	1172	61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe	28

C:\Users\Admin\AppData\Local\Temp\61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.exe
"C:\Users\Admin\AppData\Local\Temp\61abd96c98f7abf61bc4e59605f96814c706401d294e31d63e1918e80953687d.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:1172
- 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:896

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
644KB

MD5
e1e99a0edb0e0f7c10925975d5e33c94

SHA1
407753d66afd8e9c6b7242aab08e5751e3d6b1ad

SHA256
efcfa539daa39b7c2d7b201802d74a10ed55ccb649d4d3038704bf0bd6f9db34

SHA512
4ecdd5dd337af69f4ac9f2b3e06dccde26d08a5ad34550d06a8966ae215f71fd3e0b5b421ce37f03aba0662c6ed9db06fac2f84daa36ad173388bed62f156e89

Download Submit
memory/896-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/896-60-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1172-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1172-56-0x00000000001B0000-0x00000000001E5000-memory.dmp

Filesize
212KB

Download
memory/1172-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads