Analysis

  • max time kernel
    125s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 08:54

General

  • Target

    New PO NLDB-078003417XXXXX.exe

  • Size

    383KB

  • MD5

    9abefcb71f2f6808adc286ac83f5ef2e

  • SHA1

    8f83d05ef4d201ee7b6dbc50eff66018a816ff73

  • SHA256

    6d7ca76f65a253a1587d1f5a94d7ff27d0babf11b830fd778efb96ebd8196442

  • SHA512

    b2088e247b3f259579e080fd43d0e15c61c5b8ccaa1699aee485b800a663abf81294fd128c6e6c32769689da161981b02e55e71378aa6a1c279c45a760242b59

  • SSDEEP

    6144:EwTD974CbCFRov/04ak4+HG8GBZzUMTkI5yi8WY4Nf31h/m9vMBjg7DR5d:EM2G0av/GBZAM4Ad8WY4fhcBR

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe
    "C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe
      "C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"
      2⤵
        PID:2472
      • C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe
        "C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"
        2⤵
          PID:4700
        • C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe
          "C:\Users\Admin\AppData\Local\Temp\New PO NLDB-078003417XXXXX.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New PO NLDB-078003417XXXXX.exe.log

        Filesize

        1KB

        MD5

        8c2da65103d6b46d8cf610b118210cf0

        SHA1

        9db4638340bb74f2af3161cc2c9c0b8b32e6ab65

        SHA256

        0e48e2efd419951e0eb9a8d942493cfdf5540d1d19ff9dae6f145fb3ebcbeeac

        SHA512

        3cf5a125276e264cd8478f2b92d3848fb68b96d46eb4a39e650d09df02068c274881a1c314cdfbfdcb452672fb70dd8becf3ffe9562d39919d9c4d6b07fbb614

      • memory/4328-15-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4328-1-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4328-2-0x00000000052D0000-0x0000000005874000-memory.dmp

        Filesize

        5.6MB

      • memory/4328-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

        Filesize

        584KB

      • memory/4328-4-0x0000000004D00000-0x0000000004D10000-memory.dmp

        Filesize

        64KB

      • memory/4328-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

        Filesize

        40KB

      • memory/4328-6-0x0000000004EB0000-0x0000000004F08000-memory.dmp

        Filesize

        352KB

      • memory/4328-7-0x0000000004F20000-0x0000000004F60000-memory.dmp

        Filesize

        256KB

      • memory/4328-8-0x0000000005060000-0x00000000050A0000-memory.dmp

        Filesize

        256KB

      • memory/4328-9-0x00000000050A0000-0x00000000050EC000-memory.dmp

        Filesize

        304KB

      • memory/4328-0-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/4676-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4676-16-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4676-14-0x0000000005B50000-0x0000000005BB6000-memory.dmp

        Filesize

        408KB

      • memory/4676-17-0x0000000005890000-0x00000000058A0000-memory.dmp

        Filesize

        64KB

      • memory/4676-19-0x0000000007210000-0x0000000007260000-memory.dmp

        Filesize

        320KB

      • memory/4676-20-0x0000000007300000-0x000000000739C000-memory.dmp

        Filesize

        624KB

      • memory/4676-21-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4676-22-0x0000000005890000-0x00000000058A0000-memory.dmp

        Filesize

        64KB