2f99a8a1b75bc819067c8d5eff26ec7ccc34c6a9a5a9f6d4573570ae33edd197

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 19:45

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General

Target

2f99a8a1b75bc819067c8d5eff26ec7ccc34c6a9a5a9f6d4573570ae33edd197.dll
Size

24KB
MD5

bd00959992f4402f9b252ead087f6cde
SHA1

b9983b56f1ceccf1effb14c2410f1e3ad3422e73
SHA256

2f99a8a1b75bc819067c8d5eff26ec7ccc34c6a9a5a9f6d4573570ae33edd197
SHA512

7e9923bbb722aca204e7c8a27748c8bd64a583ac72bfd2cbcb0f655b253358b40f387f0c925f409f15888c17dce4dcdcd180695a51baf403ff6bfedb55a864e7
SSDEEP

768:IRejW9ASnvWMK+pghD5pZpZp5peO+O+OeOeO+On7VK+pxhJ:omSvWMK+pgRK+p9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	4492	WerFault.exe	83

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 2260 wrote to memory of 4492	2260	rundll32.exe	83
PID 2260 wrote to memory of 4492	2260	rundll32.exe	83
PID 2260 wrote to memory of 4492	2260	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f99a8a1b75bc819067c8d5eff26ec7ccc34c6a9a5a9f6d4573570ae33edd197.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f99a8a1b75bc819067c8d5eff26ec7ccc34c6a9a5a9f6d4573570ae33edd197.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 600
    3⤵
    - Program crash
    PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4492 -ip 4492
1⤵
PID:4192

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/4492-0-0x0000000074FB0000-0x0000000074FBB000-memory.dmp

Filesize
44KB

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