b116cbf112ad9e68f7c38fcd63cc862c7e9ee42734bc47d128ef52b7eae6cc4b

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 07:43

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General

Target

$PLUGINSDIR/System.dll
Size

24KB
MD5

f6d7d3911f285c72b4281243d4312eb5
SHA1

0a9614bbeb5f326802d3b3db28fcbb2087b94a8e
SHA256

e2d37e1961012d37d4cfcc2cdcd4baac46ea64f83a8bbba6c05c09e89ceed58b
SHA512

4499fc156b5f662d434f6d6b02dfcdceb732a5caedb413fd0d908057b377adf1331fa226ddd8b46fcb36f4dd36cf324a7ce7fbfb45beb1ecfe41e433a03b8f33
SSDEEP

384:8lhhGj2ikL3YYsBStHcEqfP9k+nCmaMfvYkvPo9ZkZGt2j/AA1d/JI71:8lKHwsstNiZs+vw9SZGtu/AMI7

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2204	1940	WerFault.exe	31

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 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 220
    3⤵
    - Program crash
    PID:2204

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

Replay Monitor

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Downloads

memory/1940-0-0x0000000074BF0000-0x0000000074BFE000-memory.dmp

Filesize
56KB

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