1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099

Analysis

max time kernel
95s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 19:52

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General

Target

1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll
Size

76KB
MD5

4f99fae64723e30178ea8fb98ee36e0e
SHA1

b5f9189bdcb70c70f536e22c7f144d65d4f67be7
SHA256

1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099
SHA512

6281193ee427779bd315fa4b4c363d1294151deea4d3539f591afc7b3cce8e699b493b9ceb48de954829cd296748ae657c8f4b75b5d5b11188693cad3ffc17c4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8q1q:c8y93KQjy7G55riF1cMo036

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/2196-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2196-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4988	2196	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	2196	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2196	2708	rundll32.exe	83
PID 2708 wrote to memory of 2196	2708	rundll32.exe	83
PID 2708 wrote to memory of 2196	2708	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 704
    3⤵
    - Program crash
    PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2196 -ip 2196
1⤵
PID:4556

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/2196-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2196-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download