f4db88115a23ede33f4993f997708b0f1f4f9b3ce5088fadba4d474408591c35

Analysis

max time kernel
80s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2025, 11:57

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General

Target

f4db88115a23ede33f4993f997708b0f1f4f9b3ce5088fadba4d474408591c35.dll
Size

176KB
MD5

aad5fef3f156226957f4ba0a9cc3783a
SHA1

d7caffd882fb1e32226bc200bebb1f01bf090b64
SHA256

f4db88115a23ede33f4993f997708b0f1f4f9b3ce5088fadba4d474408591c35
SHA512

28399e5b85a744a26e34c71b99fa33787ea88856433fd4abec3c8d1e8abc0d1405a8e751ff35532bcd68e449607b7df4402eeeb44518b29d5782f3f7d7b7d01b
SSDEEP

3072:a/OAJfleMyWZoskV7W70SqWiyeSSHdOaHW0jt5v:vQlSVi76aS9f20jXv

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4540	700	WerFault.exe	85

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 4588 wrote to memory of 700	4588	rundll32.exe	85
PID 4588 wrote to memory of 700	4588	rundll32.exe	85
PID 4588 wrote to memory of 700	4588	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4db88115a23ede33f4993f997708b0f1f4f9b3ce5088fadba4d474408591c35.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4db88115a23ede33f4993f997708b0f1f4f9b3ce5088fadba4d474408591c35.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 664
    3⤵
    - Program crash
    PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 700 -ip 700
1⤵
PID:628

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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