Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 18:15

General

  • Target

    Payment Status - NAMI.exe

  • Size

    806KB

  • MD5

    3d4646206820c5f3188862f88ec3af59

  • SHA1

    fecc92d2e0bdfdd5abe90548dd5ea3235bc7daeb

  • SHA256

    e4dcfe552c8f34aa797aebeb9b68988edb50ebf185e67f0b173ef7e8c57685b0

  • SHA512

    47b689548b40431c28e184e3c35980a5e6b216f1ed416c37bc1c4c41c7ef9b4aaed4f345fcfde8a91c5564249eaac26a563870f29bc6e662d9f861d80e82cf2a

  • SSDEEP

    12288:NWodxz5ZBGx3L9PhcXmBTXp/xqnylQ6J7Pl/pEL9X7cMRKs/H7RhS6KeneSiyyjK:nzFGxL9PhcXIqn2xdo54sjR/ned8

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops startup file 1 IoCs
  • 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).

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:2624
    • C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe"
      2⤵
        PID:2744
      • C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Status - NAMI.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1768-0-0x00000000002A0000-0x000000000036A000-memory.dmp

      Filesize

      808KB

    • memory/1768-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/1768-2-0x0000000000200000-0x0000000000258000-memory.dmp

      Filesize

      352KB

    • memory/1768-3-0x0000000004B40000-0x0000000004B80000-memory.dmp

      Filesize

      256KB

    • memory/1768-4-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

      Filesize

      256KB

    • memory/1768-5-0x0000000001FE0000-0x0000000002020000-memory.dmp

      Filesize

      256KB

    • memory/1768-6-0x0000000002020000-0x000000000206C000-memory.dmp

      Filesize

      304KB

    • memory/1768-7-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/1768-8-0x0000000004B40000-0x0000000004B80000-memory.dmp

      Filesize

      256KB

    • memory/1768-19-0x0000000074C10000-0x00000000752FE000-memory.dmp

      Filesize

      6.9MB

    • memory/3052-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-13-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3052-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-23-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/3052-24-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/3052-25-0x0000000004A70000-0x0000000004AB0000-memory.dmp

      Filesize

      256KB