d4c6ae5fa52e83bc5fd88ff1da00d6f1c28582d1dee98c0a806d7b90dce40830

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/01/2025, 06:19

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General

Target

d4c6ae5fa52e83bc5fd88ff1da00d6f1c28582d1dee98c0a806d7b90dce40830.dll
Size

76KB
MD5

acc14e7d12d32c4d3123fa2c264d552b
SHA1

24fd25445f98193baf5379032ac32bdb8319ceaa
SHA256

d4c6ae5fa52e83bc5fd88ff1da00d6f1c28582d1dee98c0a806d7b90dce40830
SHA512

0c94444f6c972eb6c3caf8189f2fd0bfdc2045c13a0eabbd3e2ea680d7b36554b66edf8a52927f0ac3aa0a555267ec357dc5c834ff6f2a1e024787d30e0808b9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+eVU:c8y93KQjy7G55riF1cMo03AgU

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1688-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1688-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1688-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	1688	WerFault.exe	28

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	1688	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1316 wrote to memory of 1688	1316	rundll32.exe	28
PID 1688 wrote to memory of 2236	1688	rundll32.exe	29
PID 1688 wrote to memory of 2236	1688	rundll32.exe	29
PID 1688 wrote to memory of 2236	1688	rundll32.exe	29
PID 1688 wrote to memory of 2236	1688	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4c6ae5fa52e83bc5fd88ff1da00d6f1c28582d1dee98c0a806d7b90dce40830.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4c6ae5fa52e83bc5fd88ff1da00d6f1c28582d1dee98c0a806d7b90dce40830.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 304
    3⤵
    - Program crash
    PID:2236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/1688-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1688-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1688-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download