61a433daaaa4698cf96d4a78237d99556a3a7d22091f833f850f184b7bcea78a

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 23:03

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b56556a129ab99dee768c15dd7fcfa2a
SHA1

3bacd77144ee06732fc0e595c7f1635382c9b6ba
SHA256

72830b70d5758a90713b4f0f5c7138a4fe5b78a82a25ede01d6adb5e55e96798
SHA512

8b5899f8c14bb2b5de0cc6e6a8b2bdfe6f6161f4cc80c9f01fa49155f3ac72022d3a27ec7a7cc0dff7b699974df688cff1cdc61496d04f21119c9a7b06e41511
SSDEEP

192:2muTUV6D5KgWuDGY/nV2kU1ZH460axh+aJNPtHx3JyVt8SRx9Lo:2/HYglP/nVCFvAMXRw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	3060	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 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 2400 wrote to memory of 3060	2400	rundll32.exe	30
PID 3060 wrote to memory of 2096	3060	rundll32.exe	31
PID 3060 wrote to memory of 2096	3060	rundll32.exe	31
PID 3060 wrote to memory of 2096	3060	rundll32.exe	31
PID 3060 wrote to memory of 2096	3060	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:2400
- 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:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 220
    3⤵
    - Program crash
    PID:2096

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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