3e478bb8de1bbbd2744d7c467220ba0373ce3f636eff55cab6c0c3b27ecd30a1

Analysis

max time kernel
17s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 04:15

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General

Target

Perl.dll
Size

72KB
MD5

9b35870798ea01e8e943091ec7a0bb80
SHA1

66650be447dceabd4ba938ccf1a9663f2eb99a91
SHA256

663aa24d2ef5cc3a0f0b8e8e575643c59a37b4c0fd7d7b2cf5217f14c9eb7309
SHA512

b9f297a2cc255a7aac51ff2b1e45f6985359968bfe88b8e7201f7ecb5b16bfd97323042a29ad87e149c7994d9e16b034ebe1b044bffc6e2a98ebef2997656279
SSDEEP

1536:Su5YDmXZxmYHkr0ofd32LTJP8IlLbk3U5:Vp/ebcCIlLQS

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1360	856	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 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 856 wrote to memory of 1360	856	rundll32.exe	30
PID 856 wrote to memory of 1360	856	rundll32.exe	30
PID 856 wrote to memory of 1360	856	rundll32.exe	30
PID 856 wrote to memory of 1360	856	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Perl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Perl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 264
    3⤵
    - Program crash
    PID:1360

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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