ef1177448513b1166e2dffe8c86a8e8f495672031ab61136b99b274c27148a74

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 13:54

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General

Target
67c9388cd958f65a3794fbcf3c6576c7.exe
Size 189KB
Sample240119-q71rhafcbm
SHA256 ef1177448513b1166e2dffe8c86a8e8f495672031ab61136b99b274c27148a74
MD5 67c9388cd958f65a3794fbcf3c6576c7
SHA1 b6c8967ee91447f6353ff5ba7d4358a24c03cbe1
SHA512 4925c5ad42c605b9410554108e208c70705a06e26a37594a7d6ef06b6ff838695b9219c040b50a31fe6216b37f4cc6da5004785d736cd543b1c3c13bd1efa676
SSDEEP 3072:T7OEIQdviIH7kvu/qlvGR8T0dFvUaOc1aOha7YaZ7OWeGw2u1Z2ph:T+SvZH78QdXYcUOha7YaZiDh1W
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\found.exe	67c9388cd958f65a3794fbcf3c6576c7.exe
File opened for modification	C:\Windows\SysWOW64\found.exe	67c9388cd958f65a3794fbcf3c6576c7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Debug\found32.dll	67c9388cd958f65a3794fbcf3c6576c7.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\ = "url"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ = "C:\\Windows\\Debug\\found32.dll"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ThreadingModel = "Apartment"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}	regedit.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1680	regedit.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1216	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	88
PID 1008 wrote to memory of 1216	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	88
PID 1008 wrote to memory of 1216	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	88
PID 1008 wrote to memory of 2468	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	90
PID 1008 wrote to memory of 2468	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	90
PID 1008 wrote to memory of 2468	1008	67c9388cd958f65a3794fbcf3c6576c7.exe	90
PID 1216 wrote to memory of 1680	1216	cmd.exe	92
PID 1216 wrote to memory of 1680	1216	cmd.exe	92
PID 1216 wrote to memory of 1680	1216	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\67c9388cd958f65a3794fbcf3c6576c7.exe
"C:\Users\Admin\AppData\Local\Temp\67c9388cd958f65a3794fbcf3c6576c7.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\fnous.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s C:\Users\Admin\AppData\Local\Temp\nothks.reg
    3⤵
    - Modifies registry class
    - Runs .reg file with regedit
    PID:1680
- C:\Windows\SysWOW64\cmd.exe
  cmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\67c9388cd958f65a3794fbcf3c6576c7.exe"
  2⤵
  PID:2468

Network

MITRE ATT&CK Matrix

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Downloads

fnous.bat

Path C:\Users\Admin\AppData\Local\Temp\fnous.bat
Size 126B
SHA256 8d96bacc0e4651d7b8c27613f3f721bb89ca9fb9430bab66b2ef90bfe8cb5bb3
MD5 7ab275c1bc8750fe49119429e12ab856
SHA1 ea556c59c5d3f2be584d2e208ba42a1540f46986
SHA512 7fe4bce942523a6adde6d83fc2f63302283f3e0642db4f9f650d50ba8f6f2b7b587229736521615d54b596f24a23146ab7aecb512c145b8dc4b81050ac3576c1
MD5 SHA1 SHA512

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nothks.reg

Path C:\Users\Admin\AppData\Local\Temp\nothks.reg
Size 403B
SHA256 52a9ba0c766a4da941eb674797f1770712e64e2d2104271b4ff6368a45ba5c31
MD5 e1db5e72383ca2535cc04d98efb0f6e6
SHA1 b3407d394658ad2d4ef59179fd2ddd419a1dc1d7
SHA512 6ac5c144d0103b722a7203b04f79b3c691ff1393b59555a7ccd454a10a64e2c60111e9e45dc1fdaa3fdf180fac2b0416250aa0180a946c772bd3f1225c15c095
MD5 SHA1 SHA512

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memory/1008-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1008-1-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1008-2-0x00000000001C0000-0x00000000001C2000-memory.dmp

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memory/1008-8-0x0000000000400000-0x000000000043F000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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