2ae166f7a476be2f7e635be4972a151d591319798105b4ab7153898bbd025cbe

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 01:27

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General

Target

$PLUGINSDIR/StdUtils.dll
Size

93KB
MD5

21d805663834f61cb443545b8883faf2
SHA1

b222c5ca1e4cb8a7bff7eb7b78d46b8d99bf71e1
SHA256

c18b46a68436d164c964ba9b208e5c27ccc50e6a5a2db115e8fb086663b5308f
SHA512

37836150ef2837f69b82399024d0b93dbdac992971c7fe7b50959107c0520f5874d45f4230f08554514e3bd6a76d6e35c55c8afd53f993aba18f77475ef02001
SSDEEP

1536:fn3DhuJJT35gGtLjbMGCDsTF7RqXqOGrgCf46qKn6LJ8Lr7f59aguhrAPfKS:fnNuJJT35gGtjMhDsTF7RqXqf8ZQEwy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1932	1928	WerFault.exe	28

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 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 2676 wrote to memory of 1928	2676	rundll32.exe	28
PID 1928 wrote to memory of 1932	1928	rundll32.exe	29
PID 1928 wrote to memory of 1932	1928	rundll32.exe	29
PID 1928 wrote to memory of 1932	1928	rundll32.exe	29
PID 1928 wrote to memory of 1932	1928	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 220
    3⤵
    - Program crash
    PID:1932

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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