a3c0f183a5ac52c63d4db8c3e4f3a6ccfb42011db1bb88d4c1e5fe0b1bfe8e4f

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 12:48

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General

Target

$PLUGINSDIR/IS.dll
Size

94KB
MD5

194dcc4b0a5ad6b6f7c1f166d96c4476
SHA1

fb0390ac1e04a66f284adbd0af6e809bf5b0792e
SHA256

643e7fd4591d117c43515efc93d4ddbaf0879b14403531147f4c34a49275ffd6
SHA512

4161da2fddcd0561237082c639716aca566a7755dd0589c5b5d63d436dbb7df5838d2a7c8c11cbd74346d678cdb4c5b8022f78855f6a9613b17be9a47487af51
SSDEEP

1536:U1UtwmoXj9RStiVKF495Vme4s+TxcvAsWjcdUZmyFrNt:1y15zKF49LmeZ+TsUZmyFrNt

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2812	WerFault.exe	29

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 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 1544 wrote to memory of 2812	1544	rundll32.exe	29
PID 2812 wrote to memory of 2120	2812	rundll32.exe	30
PID 2812 wrote to memory of 2120	2812	rundll32.exe	30
PID 2812 wrote to memory of 2120	2812	rundll32.exe	30
PID 2812 wrote to memory of 2120	2812	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 220
    3⤵
    - Program crash
    PID:2120

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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