ec1693018b38ac8f2be71eaea9cbdb6bcb8911de5e56f9f69d8e06f1fec995f4

Analysis

max time kernel
95s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 16:27

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General

Target

ulklfemon.dll
Size

1.6MB
MD5

dce63b5e778986d29ef048bf5aa41d1e
SHA1

4c47c7b90a92517409a61182a5c40dfcd6ef6e45
SHA256

14e27609a79e4eeb5b05ecde6c771494f5a60906b3bafca58a4010a57bf224a4
SHA512

8613250ca547184fc6fe41511d1ae57930474e6010b12c647d8f07b6fc49a6d682d77d6623ee8551beb587cb0b15d2ad347b6304ea4b63570fe1811d98156732
SSDEEP

49152:gTAX8MHHVliDGqMC5azzlbSp9HRJaVZTOEk6V4caaRYYL:HXd10DGqMC5azhbS3xJaVZa0VLaaRYY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3180	1400	WerFault.exe	82

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 2440 wrote to memory of 1400	2440	rundll32.exe	82
PID 2440 wrote to memory of 1400	2440	rundll32.exe	82
PID 2440 wrote to memory of 1400	2440	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ulklfemon.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ulklfemon.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 672
    3⤵
    - Program crash
    PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1400 -ip 1400
1⤵
PID:2316

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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