d4e2d35182ab1f55d6a0dee8ecdf3ba1b1df2bd0fda384f25335feb42ae31cfa

Analysis

max time kernel
135s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 00:55

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General

Target

k08cwjcrlzilk8t.dll
Size

13KB
MD5

05ad6c2690084ff9cc4ff14b455b781e
SHA1

9b0ff8da652e83aa675bfc5fd7d5c9173d134509
SHA256

97de472526c14080264663f4b729df51c4208a1e37d190a0412076a682f0aa7b
SHA512

e48f4b3ac853d6669f5e9f2dd7516eb268941f50189e6f99a7d5f4ef9bab88709bc6c9c02267e6f61659dba50c67163481376c3cb6d4e5bc7a6641f15b9e309e
SSDEEP

192:hMvg35NXh2oeh05mdX7zAnMVm8j5Ykrx/FTwB72yUnbcpAY05ASxVkEw6ZIYNQ:hM8X2/Dhvp7Bx/K4bcpgASEE3ZlN

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\name = "C:\\Users\\Admin\\AppData\\Roaming\\folder\\file.exe"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4436	2608	WerFault.exe	84

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 behavior: EnumeratesProcesses 8 IoCs

pid	Process
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 2608	3956	rundll32.exe	84
PID 3956 wrote to memory of 2608	3956	rundll32.exe	84
PID 3956 wrote to memory of 2608	3956	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\k08cwjcrlzilk8t.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\k08cwjcrlzilk8t.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 740
    3⤵
    - Program crash
    PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 2608
1⤵
PID:2452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/2608-0-0x0000000074D90000-0x0000000074D98000-memory.dmp

Filesize
32KB

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memory/2608-2-0x0000000074D90000-0x0000000074D98000-memory.dmp

Filesize
32KB

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