7e40e603926f665e241174a5f137e67904d0608c507d0d7c4c4bd75af15b1722

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 19:41

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General

Target

lemurs.dll
Size

20KB
MD5

349ff55e70ed9a44611e9585aea44481
SHA1

65ef1354579103c4e87c2ffca5270e36e5d6bf2c
SHA256

27d8323ca50e040da96f71b273b7482026d65bf5ac83bacf817b432f7c3a7279
SHA512

54bd9e9b67cae56040376d2eb1fde9e58b31d6da3efe360b14cfc5069d5728d3777c41eb3f389db928b31cb0a6fd9f2e3bbb25cd41891754d8bec350cadf8d57
SSDEEP

384:b0S8J+CWb2Y2l6/5ClfxB8RkJCzqTAO0r8ifHO2v/uMjzFnmPlLmoxuTHNt:b0S8J+Zb2Y2l6/5ClfxB8RkJCgAO0r82

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1612	5092	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 5116 wrote to memory of 5092	5116	rundll32.exe	85
PID 5116 wrote to memory of 5092	5116	rundll32.exe	85
PID 5116 wrote to memory of 5092	5116	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lemurs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\lemurs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 552
    3⤵
    - Program crash
    PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5092 -ip 5092
1⤵
PID:1052

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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