96e5d7a5999c312298ac0b92d004af50f9657590e364674badedb7811132af33

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 02:31

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General

Target

cr.dll
Size

650KB
MD5

f8e79ec1eb270e97e28caa8b67172aa0
SHA1

f97d098cf0cf71986d677df2f860c98946239f65
SHA256

62e5697175a4e4db11a19327bf1fbcef4924043c0bb5f8141181a26e1dc455ef
SHA512

acc379d878f993d8258f32b3e54edb0b9e0651f8d9669063245aa9b7d1c4dae4afcd682fcc755c860a7e559f7551bea0c624ff0e5a7a4246187bb812400f41b2
SSDEEP

12288:CmO5jkVuhREczKkBHbj6gAvLaatYd8clylJvNoAepD:DswVCzKkBHRYeatY5KduD

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1328	2340	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2616 wrote to memory of 2340	2616	rundll32.exe	30
PID 2340 wrote to memory of 1328	2340	rundll32.exe	31
PID 2340 wrote to memory of 1328	2340	rundll32.exe	31
PID 2340 wrote to memory of 1328	2340	rundll32.exe	31
PID 2340 wrote to memory of 1328	2340	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 236
    3⤵
    - Program crash
    PID:1328

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/2340-0-0x000000007727F000-0x0000000077280000-memory.dmp

Filesize
4KB

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memory/2340-1-0x0000000074780000-0x000000007482A000-memory.dmp

Filesize
680KB

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