ae0ba7ecf43d1ee0a4cb8784d3730d56b773b95e7518bd9842d8defed69e83e8

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 12:23

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General

Target

PascalStreams.dll
Size

86KB
MD5

15aacef96e0673400bddae0c3a97462c
SHA1

51fdb75bd4a27386b960a19308620868c48cff1d
SHA256

a767d213f1fa41bddfaad8540f987fbf39516802ace609916f336cb808afd40a
SHA512

e07b43379ccc42d8d86342db8437d78bfecca4c9e1033d9691557c27480c98bbed081486db34c74e1f1ce2ecf26376aa92ebd5e0b4e32fcdcabc6a49a26963af
SSDEEP

1536:pjqjoQTOKuovbvTspOaQcNFeSe4Edi3sXxC7gCKKmvXlu3mvj7dHUM9:8obtgvssanNFeS9EM3IxC7gCKdvVHvfb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4700	1248	WerFault.exe	84

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 2624 wrote to memory of 1248	2624	rundll32.exe	84
PID 2624 wrote to memory of 1248	2624	rundll32.exe	84
PID 2624 wrote to memory of 1248	2624	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PascalStreams.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PascalStreams.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 632
    3⤵
    - Program crash
    PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1248 -ip 1248
1⤵
PID:2092

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/1248-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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