9f71bfb5d88400cb4e42e345e2eecaf8c978aea150de71f021ec86b778ad2be6

Analysis

max time kernel
118s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2024, 03:57

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General

Target
478a505cee807c2515aaa1c0100d9bf0N.exe
Size 225KB
Sample240720-ejbxpavgjn
SHA256 9f71bfb5d88400cb4e42e345e2eecaf8c978aea150de71f021ec86b778ad2be6
MD5 478a505cee807c2515aaa1c0100d9bf0
SHA1 97871074afdf75e17b76172e71dc45d74ea0971c
SHA512 ace6463b7616652ca533084f4f40eb82829d3c3f956a9ab6809d28300383ef293b436270845e60a4b6cebb6d14798be30e87ab7747fb7d46c8d53aa25de749fe
SSDEEP 6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
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
1928	3940	WerFault.exe	99
2216	1036	WerFault.exe	84

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3940	winver.exe
1036	478a505cee807c2515aaa1c0100d9bf0N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 3940	1036	478a505cee807c2515aaa1c0100d9bf0N.exe	99
PID 1036 wrote to memory of 3940	1036	478a505cee807c2515aaa1c0100d9bf0N.exe	99
PID 1036 wrote to memory of 3940	1036	478a505cee807c2515aaa1c0100d9bf0N.exe	99
PID 1036 wrote to memory of 3940	1036	478a505cee807c2515aaa1c0100d9bf0N.exe	99
PID 3940 wrote to memory of 3392	3940	winver.exe	56
PID 1036 wrote to memory of 3392	1036	478a505cee807c2515aaa1c0100d9bf0N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3392
- C:\Users\Admin\AppData\Local\Temp\478a505cee807c2515aaa1c0100d9bf0N.exe
  "C:\Users\Admin\AppData\Local\Temp\478a505cee807c2515aaa1c0100d9bf0N.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 300
      4⤵
      Program crash
      PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 928
    3⤵
    - Program crash
    PID:2216

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3940 -ip 3940
1⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1036 -ip 1036
1⤵
PID:4484

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/1036-1-0x00000000045E0000-0x0000000004C38000-memory.dmp

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memory/1036-2-0x00000000024E0000-0x00000000024E1000-memory.dmp

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memory/1036-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1036-12-0x00000000045E0000-0x0000000004C38000-memory.dmp

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memory/3392-4-0x0000000001260000-0x0000000001266000-memory.dmp

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memory/3392-5-0x0000000001260000-0x0000000001266000-memory.dmp

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memory/3392-9-0x00000000012F0000-0x00000000012F6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads