e275e8febf42d63d37ded05b4e6aacc1b36b9ace6318cd09d65b822037464c37

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 06:28

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

959ea64598b9a3e494c00e8fa793be7e
SHA1

40f284a3b92c2f04b1038def79579d4b3d066ee0
SHA256

03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b
SHA512

5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64
SSDEEP

192:sRer7uivwq1XpKs4FVWSjMd8tIg2cREbyCsZ8q2R4Sy+Xe:s67Xws4FVWig86/5eCBqSy+Xe

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	1772	WerFault.exe	30

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 WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 2584 wrote to memory of 1772	2584	rundll32.exe	30
PID 1772 wrote to memory of 1708	1772	rundll32.exe	31
PID 1772 wrote to memory of 1708	1772	rundll32.exe	31
PID 1772 wrote to memory of 1708	1772	rundll32.exe	31
PID 1772 wrote to memory of 1708	1772	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 224
    3⤵
    - Program crash
    PID:1708

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

Windows 7 deprecation

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