f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66

General

Target

f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
Size

63KB
MD5

446125e165d77752ad0358d340a7f986
SHA1

721cd563c4d26e552551d6769e1bfb2e6463b256
SHA256

f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66
SHA512

1542f4395f2663fb8032329e6539faf46076040ffbc1c35af91078725138b2a1c4eeaad2656304459694bd85fdb91fc67ade4f9e785074578df9b25a483d13fa
SSDEEP

1536:6+xc+k+nh46q6wBo9zR9ECTUjhiV+11rRVomy1hVict5f:6iTxnh9UBIrTUtiV+7t6m1Kf

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
672	urdvxc.exe
4260	urdvxc.exe
1396	urdvxc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\urdvxc.exe	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
File created	C:\Windows\SysWOW64\urdvxc.exe	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe

Modifies registry class 16 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB2BFC4F-05E0-9B12-B78F-A255A1646254}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe"	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "chhskbenlvbsthjt"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "skecshrbshjscesl"	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB2BFC4F-05E0-9B12-B78F-A255A1646254}\ = "xrtkzjwnjqltnkkq"	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB2BFC4F-05E0-9B12-B78F-A255A1646254}	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB2BFC4F-05E0-9B12-B78F-A255A1646254}\LocalServer32	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "esrlctwhvnrsknql"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	urdvxc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 672	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	82
PID 4184 wrote to memory of 672	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	82
PID 4184 wrote to memory of 672	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	82
PID 4184 wrote to memory of 4260	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	83
PID 4184 wrote to memory of 4260	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	83
PID 4184 wrote to memory of 4260	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	83
PID 4184 wrote to memory of 1396	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	84
PID 4184 wrote to memory of 1396	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	84
PID 4184 wrote to memory of 1396	4184	f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe	84

C:\Users\Admin\AppData\Local\Temp\f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
"C:\Users\Admin\AppData\Local\Temp\f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /installservice
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:672
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /start
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  PID:4260
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  PID:1396

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\urdvxc.exe

Filesize
63KB

MD5
446125e165d77752ad0358d340a7f986

SHA1
721cd563c4d26e552551d6769e1bfb2e6463b256

SHA256
f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66

SHA512
1542f4395f2663fb8032329e6539faf46076040ffbc1c35af91078725138b2a1c4eeaad2656304459694bd85fdb91fc67ade4f9e785074578df9b25a483d13fa

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
63KB

MD5
446125e165d77752ad0358d340a7f986

SHA1
721cd563c4d26e552551d6769e1bfb2e6463b256

SHA256
f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66

SHA512
1542f4395f2663fb8032329e6539faf46076040ffbc1c35af91078725138b2a1c4eeaad2656304459694bd85fdb91fc67ade4f9e785074578df9b25a483d13fa

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
63KB

MD5
446125e165d77752ad0358d340a7f986

SHA1
721cd563c4d26e552551d6769e1bfb2e6463b256

SHA256
f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66

SHA512
1542f4395f2663fb8032329e6539faf46076040ffbc1c35af91078725138b2a1c4eeaad2656304459694bd85fdb91fc67ade4f9e785074578df9b25a483d13fa

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
63KB

MD5
446125e165d77752ad0358d340a7f986

SHA1
721cd563c4d26e552551d6769e1bfb2e6463b256

SHA256
f3fef6876c6b88a280a5b6163a77736e68918a9ef35782c4663158fde97afb66

SHA512
1542f4395f2663fb8032329e6539faf46076040ffbc1c35af91078725138b2a1c4eeaad2656304459694bd85fdb91fc67ade4f9e785074578df9b25a483d13fa

Download Submit
memory/672-137-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/672-138-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download
memory/672-145-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download
memory/1396-144-0x00000000001C0000-0x00000000001DF000-memory.dmp

Filesize
124KB

Download
memory/4184-133-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download
memory/4184-132-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4260-143-0x00000000001C0000-0x00000000001DF000-memory.dmp

Filesize
124KB

Download

Analysis

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