ad8d6798369029e6adbf0e2c044a66f09b3ddd055ddd147864adb1a255b57f79

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 13:54

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General

Target

$PLUGINSDIR/siblog.dll
Size

146KB
MD5

2fab606d750aad11fbf8e0a9060172db
SHA1

b2e40332e179f921a73c64ea09a54c0f2bf75959
SHA256

d3289b09fc9c37a80f0215b5c8c7990b9d3353e0c27cc4689e806d6026b6dda7
SHA512

1670ddfb2233c346a8cd5ee88700697c17123923da964e115c6ade238f77b421f51bf6459bf46bb3966f1de8fdeeeda774d7100b5c5dac46e53e738e8691ab1f
SSDEEP

3072:jK2xllPc8r1tFA7mJKDZ9KofLSMqtugBC7TlNK/574C:FxlyU3C6e97LnzO574C

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	1780	WerFault.exe	31

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 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1916 wrote to memory of 1780	1916	rundll32.exe	31
PID 1780 wrote to memory of 2248	1780	rundll32.exe	32
PID 1780 wrote to memory of 2248	1780	rundll32.exe	32
PID 1780 wrote to memory of 2248	1780	rundll32.exe	32
PID 1780 wrote to memory of 2248	1780	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\siblog.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\siblog.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 220
    3⤵
    - Program crash
    PID:2248

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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