8842766921a262ea7fd02b1a7ae6a6cec31ce3b8b3e3eed6eb0d9f1972ccecc0

Analysis

max time kernel
95s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 01:18

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General

Target

8842766921a262ea7fd02b1a7ae6a6cec31ce3b8b3e3eed6eb0d9f1972ccecc0.dll
Size

76KB
MD5

56fd3b6dd3ebebca04110e84e45e019f
SHA1

98c797270ce8ae22e3914ab65ef07be697ee71f0
SHA256

8842766921a262ea7fd02b1a7ae6a6cec31ce3b8b3e3eed6eb0d9f1972ccecc0
SHA512

48ef7394637d88f24566d377e74b46f9cb990e3888db643e06aef05d77ef0d7cc48439f8f0274add4e476af26db34432c6faf15fe49979382d5070ae7b355437
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZiGCD2TF7Rq9coC:c8y93KQjy7G55riF1cMo038hD2TF7RqO

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/2224-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2224-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3752	2224	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	2224	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 2224	1464	rundll32.exe	83
PID 1464 wrote to memory of 2224	1464	rundll32.exe	83
PID 1464 wrote to memory of 2224	1464	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8842766921a262ea7fd02b1a7ae6a6cec31ce3b8b3e3eed6eb0d9f1972ccecc0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8842766921a262ea7fd02b1a7ae6a6cec31ce3b8b3e3eed6eb0d9f1972ccecc0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 716
    3⤵
    - Program crash
    PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2224 -ip 2224
1⤵
PID:4764

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/2224-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2224-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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