23506c79b6112f7a234c35b838faa9b51286df3bba27f27b7731aa0f23364139

Analysis

max time kernel
92s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 02:19

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General

Target

cr.dll
Size

5.5MB
MD5

6c5456370ea9ea64c7fb6296284fd95a
SHA1

18341d3079e637b76406b475d8939a7c57f9809a
SHA256

7ffd784adf875b3bae9a43092cbbe58a1fd80c8f095b869f1087fc5ac8a56628
SHA512

d712b176f3c50b28afeb46f487e461852f7ae82a5b3987b550b18210cdcceaff00d45e07c12b359bcaa01a90102d37ef530457a3c8d38e981c2a0155bb885482
SSDEEP

98304:HtV/ZLA4LT49KsfEyp9Qbl3TLnMVeKES8IczjJYnwvjSdthV2wb:HtVRLA4LT49KsfEyp9QbljLnMVeKEjI7

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4872	4928	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 1160 wrote to memory of 4928	1160	rundll32.exe	85
PID 1160 wrote to memory of 4928	1160	rundll32.exe	85
PID 1160 wrote to memory of 4928	1160	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 652
    3⤵
    - Program crash
    PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4928 -ip 4928
1⤵
PID:1600

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/4928-0-0x0000000077132000-0x0000000077133000-memory.dmp

Filesize
4KB

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memory/4928-1-0x0000000074620000-0x0000000074B9E000-memory.dmp

Filesize
5.5MB

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