Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 09:36

General

  • Target

    DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe

  • Size

    649KB

  • MD5

    9ffcde5e6757f275fa89ab8b6ef21973

  • SHA1

    c123e670657557f70750cad0a5578bb3f57c8faf

  • SHA256

    3c88b5ac63f89243c575e59386e2fd924bd97eb80ffe1c2d7532059fc15566dd

  • SHA512

    2ce38cc951afb45feceb7088e2f204df59f76b245d12a4dcb901a0ca473dfaa5ef3bbe37e326b9ed8300d8307d046107203706ef9607771dcf14b9e8d77fbc17

  • SSDEEP

    12288:PFIsPAi3LmOKGB97zHBZOaken9S1Uduo14HMQkQbnGvbxp0A7+aq:tIKdaOKmfOjS9M+ucMyLv0

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lNUAsKQAflDtW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lNUAsKQAflDtW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58DA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2656
    • C:\Users\Admin\AppData\Local\Temp\DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_INVOICE_DOCUMENT_73835665756_6884983743_PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp58DA.tmp

    Filesize

    1KB

    MD5

    4ad764fe7e7212a63af9351d9f58a186

    SHA1

    1344f602643928df79d38e202d9dc788ef270847

    SHA256

    4512aabad54d3f8de0d1f6ff6044c665a8c7c756dbf707188796a20b7be0cd99

    SHA512

    04e9dd1b7245e7acee398cd69fcd920c47e14bb7e7e57d55e3c46a87c28030e1740390769da95c07ce109ef6de32a0c0a689163075fb63889f65297b648b6806

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    ef6b3e5fc48c3b3c1058716b46756a28

    SHA1

    5d78e0ed1bb142a216eccb9db687a01529dba87d

    SHA256

    3832eb31a8067e0266a96feebf398e31d5ff817188736547652045f84b2e625e

    SHA512

    5c0e669f21403683902735816275641cd829a839b27eee1216eb118926b408b8affa1deda8665655d762feb852efc215edbdc8241e96ac243a9b78bdf01d114f

  • memory/2220-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

    Filesize

    32KB

  • memory/2220-3-0x0000000000330000-0x0000000000342000-memory.dmp

    Filesize

    72KB

  • memory/2220-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

    Filesize

    4KB

  • memory/2220-5-0x00000000003F0000-0x00000000003FC000-memory.dmp

    Filesize

    48KB

  • memory/2220-6-0x0000000004F30000-0x0000000004FB2000-memory.dmp

    Filesize

    520KB

  • memory/2220-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000000C40000-0x0000000000CE8000-memory.dmp

    Filesize

    672KB

  • memory/2220-19-0x00000000741CE000-0x00000000741CF000-memory.dmp

    Filesize

    4KB

  • memory/2220-33-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-32-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2532-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2532-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB