fa84aaca643d68422484d8c78e900d06102d0fbff57598755e97705bfe419c24

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2025, 10:16

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General

Target
$PLUGINSDIR/siblog.dll
Size 146KB
Sample250128-mas4lsvrct
SHA256 d3289b09fc9c37a80f0215b5c8c7990b9d3353e0c27cc4689e806d6026b6dda7
MD5 2fab606d750aad11fbf8e0a9060172db
SHA1 b2e40332e179f921a73c64ea09a54c0f2bf75959
SHA512 1670ddfb2233c346a8cd5ee88700697c17123923da964e115c6ade238f77b421f51bf6459bf46bb3966f1de8fdeeeda774d7100b5c5dac46e53e738e8691ab1f
SSDEEP 3072:jK2xllPc8r1tFA7mJKDZ9KofLSMqtugBC7TlNK/574C:FxlyU3C6e97LnzO574C
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1756	1292	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 1292	3240	rundll32.exe	83
PID 3240 wrote to memory of 1292	3240	rundll32.exe	83
PID 3240 wrote to memory of 1292	3240	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\siblog.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\siblog.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 600
    3⤵
    - Program crash
    PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1292 -ip 1292
1⤵
PID:5080

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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