94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f

Analysis

max time kernel
146s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02/07/2024, 00:46

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General

Target
94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe
Size 225KB
Sample240702-a4zr2azeqa
SHA256 94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f
MD5 639602cab8f2176b4467eb4ec3834950
SHA1 1586528327684fef0e9290474d61e162435d781a
SHA512 eb3413afc5c6601e622e90e45eb5da84c3c9778fe8f0d7632fcb10d62ad06b8ed00e2dcfd70ed6df31a3b74df2bb8aa8c70c186c70e177ff926b2094a259d6b0
SSDEEP 6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1576	4672	WerFault.exe	98
2752	4544	WerFault.exe	81

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4672	winver.exe
4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	98
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	98
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	98
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	98
PID 4672 wrote to memory of 3456	4672	winver.exe	56
PID 4544 wrote to memory of 3456	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456
- C:\Users\Admin\AppData\Local\Temp\94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe
  "C:\Users\Admin\AppData\Local\Temp\94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 300
      4⤵
      Program crash
      PID:1576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 768
    3⤵
    - Program crash
    PID:2752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4672 -ip 4672
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3456-4-0x0000000001F20000-0x0000000001F26000-memory.dmp

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memory/3456-5-0x0000000001F20000-0x0000000001F26000-memory.dmp

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memory/3456-9-0x00000000024F0000-0x00000000024F6000-memory.dmp

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memory/4544-1-0x0000000004780000-0x0000000004DD8000-memory.dmp

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memory/4544-2-0x0000000002560000-0x0000000002561000-memory.dmp

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memory/4544-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4544-12-0x0000000004780000-0x0000000004DD8000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads