fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6

General

Target

fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Size

671KB
MD5

07e9a93580d9a73366d321aa86cbd6a0
SHA1

758ff4f935d14abf12b604ddfa07be50745a793d
SHA256

fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6
SHA512

aad25ce28f2f2e1617f1e36647f06428d3d6aad7e64b209f4ea4c5bcfeea2fcc3609518a99c19e81e95c2f1112eca983245f19eb31cafbf73f037d6ed8958712
SSDEEP

12288:UsAqMGHGSX1388BxGVI43GVpinJ2suEn23teGb/2tXw/+w/WpFaTf26qVN:UsBbW1SaUEn2deGbSXwWBUadN

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\" %*"	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.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
1704	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshds32.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshds32.exe"	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.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"	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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\vcl32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File created	C:\Windows\SysWOW64\mshds32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File opened for modification	C:\Windows\SysWOW64\mshds32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File created	C:\Windows\SysWOW64\concp32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File created	C:\Windows\SysWOW64\vcl32.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
File opened for modification	C:\Windows\svchost.exe	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 98e8f7ce29be4062e14a17d511d976db	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39384B8-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2032	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1704	2032	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe	27
PID 2032 wrote to memory of 1704	2032	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe	27
PID 2032 wrote to memory of 1704	2032	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe	27
PID 2032 wrote to memory of 1704	2032	fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe	27

C:\Users\Admin\AppData\Local\Temp\fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.exe
"C:\Users\Admin\AppData\Local\Temp\fb411599f7a697840f31bc8cae75550ca2adb1ccfe842471348550234e6a12e6.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:2032
- 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:1704

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
19KB

MD5
da1a78d46e6697191b9f01fe471f7b05

SHA1
87e456bba0e91b24056b4cbf87fa56535ab298ef

SHA256
4213c214981f4b9acaca48e8f8a1241fdf1b115b9911f015d57e2567e35bc240

SHA512
f09317c8c284f89cd916d963044e9190594fab2bc3a0aa80ac1da66c29ae6880e8bd14c3cc2ca6f80128c4f73ef981d1a90b417dcb590de2c237de6a2d02b5b3

Download Submit
memory/1704-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2032-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2032-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads