3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9d

Analysis

max time kernel
137s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 11:48

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General

Target
3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe
Size 89KB
Sample241002-nyd52aybng
SHA256 3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9d
MD5 6b63f33750e660d007e0c3c28fcd1700
SHA1 239817be025723456a16f96bdfe22d8292bb31a0
SHA512 18a0c866a4b942bce7faa091e8403a0b819d49b0b5457f203d3269d83a773acabc9c099573fd5e7c68fed6e77a1afb2c5998309a5e82119a02ebd0a319de848e
SSDEEP 1536:E9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:E9o6fK2XqXQwhnHlqQo8Lvy
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2020	1896	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1896	winver.exe
1896	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1896	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 1896	3604	3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe	81
PID 3604 wrote to memory of 1896	3604	3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe	81
PID 3604 wrote to memory of 1896	3604	3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe	81
PID 3604 wrote to memory of 1896	3604	3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe	81
PID 1896 wrote to memory of 3404	1896	winver.exe	56
PID 1896 wrote to memory of 2452	1896	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2452

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3404
- C:\Users\Admin\AppData\Local\Temp\3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe
  "C:\Users\Admin\AppData\Local\Temp\3528e8765a401d827c50a838b4b83af5261086841fd6c31d1ba96e3da3552a9dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3604
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 648
      4⤵
      Program crash
      PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1896 -ip 1896
1⤵
PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1896-2-0x0000000000C80000-0x0000000000C86000-memory.dmp

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memory/1896-6-0x00000000774A2000-0x00000000774A3000-memory.dmp

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memory/1896-13-0x0000000000C80000-0x0000000000C86000-memory.dmp

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memory/1896-8-0x00007FFBE4C90000-0x00007FFBE4E85000-memory.dmp

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memory/2452-10-0x0000000000E60000-0x0000000000E66000-memory.dmp

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memory/2452-12-0x0000000000E60000-0x0000000000E66000-memory.dmp

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memory/3404-4-0x0000000002860000-0x0000000002866000-memory.dmp

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memory/3404-1-0x0000000002860000-0x0000000002866000-memory.dmp

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memory/3404-7-0x00007FFBE4D2D000-0x00007FFBE4D2E000-memory.dmp

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memory/3604-5-0x0000000002340000-0x0000000002D40000-memory.dmp

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memory/3604-11-0x0000000002340000-0x0000000002D40000-memory.dmp

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memory/3604-9-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/3604-0-0x0000000000B50000-0x0000000000B52000-memory.dmp

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