b891a894f40ef7bff3fd9b33d5128d3edca1ded70daecf39a88027889c21b2d0

Analysis

max time kernel
112s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 15:13

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General

Target

a503a1c53d93a1613e8c7988797b7d80N.dll
Size

137KB
MD5

a503a1c53d93a1613e8c7988797b7d80
SHA1

1743824d1c620498f5e418bf35d6f1a56a9782f0
SHA256

b891a894f40ef7bff3fd9b33d5128d3edca1ded70daecf39a88027889c21b2d0
SHA512

b2de6c20d2960b09aa44d4e8831c30fe804f2d0aa62d3eddc85c526b58095508697dfe06440340dbb9b694aca8c2be43232c461f22e752a7128477df8d303194
SSDEEP

3072:CR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuL:H25GgFny61mraF

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2192	1760	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 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 688 wrote to memory of 1760	688	rundll32.exe	29
PID 1760 wrote to memory of 2192	1760	rundll32.exe	30
PID 1760 wrote to memory of 2192	1760	rundll32.exe	30
PID 1760 wrote to memory of 2192	1760	rundll32.exe	30
PID 1760 wrote to memory of 2192	1760	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a503a1c53d93a1613e8c7988797b7d80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a503a1c53d93a1613e8c7988797b7d80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 232
    3⤵
    - Program crash
    PID:2192

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/1760-0-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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