61e4d701e2e08bff206ec405ac27ea3fce687165b85c5bdac6cdf48d066dbe9c

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 03:58

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General

Target

$PLUGINSDIR/StdUtils.dll
Size

14KB
MD5

21010df9bc37daffcc0b5ae190381d85
SHA1

a8ba022aafc1233894db29e40e569dfc8b280eb9
SHA256

0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16
SHA512

95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e
SSDEEP

192:OFb8Y8oqy2mqZc9hGBQHRx39oRxmMvURkB/Fs:qb8Y8nKqohGBKxox9vURw/a

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	2844	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 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 1820 wrote to memory of 2844	1820	rundll32.exe	28
PID 2844 wrote to memory of 2864	2844	rundll32.exe	29
PID 2844 wrote to memory of 2864	2844	rundll32.exe	29
PID 2844 wrote to memory of 2864	2844	rundll32.exe	29
PID 2844 wrote to memory of 2864	2844	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:1820
- 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:2844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 220
    3⤵
    - Program crash
    PID:2864

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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