3df8c6397421ca385bf7a48e87e5c9c90ddb922b6abc36443fc4fa7475815f5d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 10:41

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General

Target

perl58.dll
Size

784KB
MD5

d6fec475513d165261d38743a490dfc1
SHA1

b593136ed5bc0167e6715a41c7abf70603f40361
SHA256

fa9cd43d0b09f2352063f2790a49af51615ebe735eba53417129fc04dd5e7b73
SHA512

5f56183f1b3b919d526d446b590d70f2e75338305a1b373ed04cd6a1388a345aa99667527f74ab08b651109d41e150d8ba639fa540381372f5578c8fee3c9e0b
SSDEEP

12288:axMQYulkUYSdnezsl3CHp+RaFBj/Ac1J3jA/pF2OUHlEbweMFex5R:0cYez034EicoTIcOUHqfsexn

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1340	2176	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 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	32
PID 2176 wrote to memory of 1340	2176	rundll32.exe	32
PID 2176 wrote to memory of 1340	2176	rundll32.exe	32
PID 2176 wrote to memory of 1340	2176	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\perl58.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\perl58.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 224
    3⤵
    - Program crash
    PID:1340

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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