31dcf3ead048f0a0ae0e23fe431018236fe79b5e596d1ff52b9cc5c63d5ea87a

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 10:31

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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

Processes:

WerFault.exe

pid pid_target process target process

1720 2500 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1720	2500	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2500	2092	rundll32.exe	rundll32.exe
PID 2500 wrote to memory of 1720	2500	rundll32.exe	WerFault.exe
PID 2500 wrote to memory of 1720	2500	rundll32.exe	WerFault.exe
PID 2500 wrote to memory of 1720	2500	rundll32.exe	WerFault.exe
PID 2500 wrote to memory of 1720	2500	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- 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:2500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 224
    3⤵
    - Program crash
    PID:1720

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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