8fbcaf95610d7e4ce5f2d8dd3d5232d62cd40e48065b9254d029770352cf8c96

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 07:36

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General

Target

8fbcaf95610d7e4ce5f2d8dd3d5232d62cd40e48065b9254d029770352cf8c96N.dll
Size

76KB
MD5

5686de7fa89c2ceb198c10fd608bc7a0
SHA1

00bdf4305cbc910b50c560770655b307ea30875a
SHA256

8fbcaf95610d7e4ce5f2d8dd3d5232d62cd40e48065b9254d029770352cf8c96
SHA512

689012165cc68826f3976cd411e1b412d6bd3ce4ad88ea8e59a8577bfa3435e3168d724d96ed7358c5cc91ab1a5aa18d54bc607b076457f695f10348b8c264d1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZT2vQxVzgtoJDs:c8y93KQjy7G55riF1cMo03Z24xVktoJg

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1860-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1860-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3244	1860	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1860	4968	rundll32.exe	83
PID 4968 wrote to memory of 1860	4968	rundll32.exe	83
PID 4968 wrote to memory of 1860	4968	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fbcaf95610d7e4ce5f2d8dd3d5232d62cd40e48065b9254d029770352cf8c96N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fbcaf95610d7e4ce5f2d8dd3d5232d62cd40e48065b9254d029770352cf8c96N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 664
    3⤵
    - Program crash
    PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1860 -ip 1860
1⤵
PID:3960

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/1860-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1860-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download