Analysis

  • max time kernel
    68s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2023 12:08

General

  • Target

    DHL_AWB_NO_#AWB 4507558646.exe

  • Size

    658KB

  • MD5

    5dcefd1c13cf257168c014edad94c43b

  • SHA1

    a730e4d4d2a3ea070c85783afab4578e756758c5

  • SHA256

    80b6e703e67ace7480854fa2e005495b86c53b0f2afd72018d0c77bf9fd43605

  • SHA512

    b536a9259f66b5f55e3697856a4f67b93bbc49c050a506caee61c708bd2008e3a24f63baeba9e3d6d750e2ce061fcbf74dd55db68f83ba8cd6387dfc2f8954f4

  • SSDEEP

    12288:vvbimOMt+DNSorzsb6WFJv7IhxUySBmR9MLrZSowdhI6Bjq:vTimXyyFJv7IhxgBmsShdhIG

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6191932863:AAEw6WZfMHSbIiilSKsmAnJOgaZwvnoMVh8/

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe"
      2⤵
        PID:668
      • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#AWB 4507558646.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:748

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/748-66-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-61-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-62-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-89-0x0000000004D90000-0x0000000004DD0000-memory.dmp
      Filesize

      256KB

    • memory/748-63-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-71-0x0000000004D90000-0x0000000004DD0000-memory.dmp
      Filesize

      256KB

    • memory/748-70-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-64-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-68-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/748-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1732-59-0x0000000005300000-0x0000000005378000-memory.dmp
      Filesize

      480KB

    • memory/1732-58-0x00000000005B0000-0x00000000005BC000-memory.dmp
      Filesize

      48KB

    • memory/1732-54-0x0000000000070000-0x000000000011A000-memory.dmp
      Filesize

      680KB

    • memory/1732-56-0x0000000002160000-0x00000000021A0000-memory.dmp
      Filesize

      256KB

    • memory/1732-60-0x00000000020F0000-0x0000000002122000-memory.dmp
      Filesize

      200KB

    • memory/1732-55-0x00000000005A0000-0x00000000005AE000-memory.dmp
      Filesize

      56KB

    • memory/1732-57-0x0000000002160000-0x00000000021A0000-memory.dmp
      Filesize

      256KB