b0fe5e9cc5e5529bf71dfd6818c259983a51f2f17960a91736bbacc065403e18

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 16:15

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General

Target

$PLUGINSDIR/TvGetVersion.dll
Size

130KB
MD5

8872006dd07ada62805c1b80636ef36d
SHA1

c611f017808eac2a144933520e86ae25f5e78fdb
SHA256

7b49d6b41d6125dd64765abd450b4f78e01767547047b184d0a1bdb561c37384
SHA512

70631d52b0e4e411fa2e4be75e809d5b362a3230876d7e821be1390b8aaad11443296c82dce03e6cf308b5f170a9695603b8b5876350571ae68a0f6d7cf30a4e
SSDEEP

1536:JYsbJRUSRFwlPlW+1YO0a9J76sbxXpC5VI4bUj7syyBsUndwFrtYP+yOcI:hWPl065+UEy8dw1tYPDx

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4712	5112	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 4908 wrote to memory of 5112	4908	rundll32.exe	83
PID 4908 wrote to memory of 5112	4908	rundll32.exe	83
PID 4908 wrote to memory of 5112	4908	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\TvGetVersion.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\TvGetVersion.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 624
    3⤵
    - Program crash
    PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
1⤵
PID:1772

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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