6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 09:57

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General

Target

6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993N.dll
Size

157KB
MD5

2e830f9c96a996cd28dc19a65fae38a0
SHA1

aff0ccb06d12c6e2810c0b7060bb8d02e851ed8b
SHA256

6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993
SHA512

953da6fe2ba1189455a5104abcb38d44e156cb0f23d7948e1940a05a7392b1cd23d3a17ef42144e4eb59c14e8da7f4de7e00c5b2d52e5b60d8ea4423e6e38a47
SSDEEP

3072:hkni61BofLgY1WmM0KPwpky34IihM/au0/Rze/rYLd1ySQg:hk18wIKP0Fria/au0U/8Tl

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Ctanuyezev = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993N.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1656	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1656	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1964 wrote to memory of 1656	1964	rundll32.exe	28
PID 1656 wrote to memory of 352	1656	rundll32.exe	29
PID 1656 wrote to memory of 352	1656	rundll32.exe	29
PID 1656 wrote to memory of 352	1656	rundll32.exe	29
PID 1656 wrote to memory of 352	1656	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c8f66b3bbc8e650496c5d676336b37ebab6640a8e2eaf148aa032708ff9e993N.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:352

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

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Downloads

memory/1656-1-0x0000000000360000-0x00000000003A0000-memory.dmp

Filesize
256KB

Download
memory/1656-0-0x0000000000360000-0x00000000003A0000-memory.dmp

Filesize
256KB

Download
memory/1656-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download