20a17e69c72601edc441b265f70bec3fc815eaba9a0e825b8d53f2a56ae16c92

Analysis

max time kernel
145s
max time network
158s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
27/07/2024, 11:39

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General

Target

20a17e69c72601edc441b265f70bec3fc815eaba9a0e825b8d53f2a56ae16c92.dll
Size

2.5MB
MD5

6a23d890bb0be2f90140af407040fa12
SHA1

1a9f2aa01c745125ddebed4bdfd8c37abfc4063a
SHA256

20a17e69c72601edc441b265f70bec3fc815eaba9a0e825b8d53f2a56ae16c92
SHA512

062fc7d21a4587faf132cb84e9c887033002a1736a8b4fa9a459e9fdbcc7cd76ad38868024f03c71781c830fc2ad1670274e2d3277c5cbf504ce97e20f4499c2
SSDEEP

49152:/99L0pHi5HU26/xMDucf4fm5MqhpowDIm6rIZCNFFmX:/99YpHii2wuDuPfkOwtgNFE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1176	1988	WerFault.exe	81

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 3884 wrote to memory of 1988	3884	rundll32.exe	81
PID 3884 wrote to memory of 1988	3884	rundll32.exe	81
PID 3884 wrote to memory of 1988	3884	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\20a17e69c72601edc441b265f70bec3fc815eaba9a0e825b8d53f2a56ae16c92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\20a17e69c72601edc441b265f70bec3fc815eaba9a0e825b8d53f2a56ae16c92.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 816
    3⤵
    - Program crash
    PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1988 -ip 1988
1⤵
PID:2008

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

Windows 7 deprecation

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