Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 13:09

General

  • Target

    FVN001-230824.pdf.exe

  • Size

    698KB

  • MD5

    c886350c4259dd843104cd51524770a0

  • SHA1

    595198caebae2f64c3d008425b782e2d7a5f3c00

  • SHA256

    36847d6a88e758a4d823a6e100746c1f505678f8c286ddc2e942c2329ccc36ee

  • SHA512

    e3a7bfe55dab903a28e47be2444ba2b6f68e06602fc28fe0a58fc5d2fd1a045bee5a96eec9f1848a0a221922e91c4b5edd5a0498436916a17ff6c24a04f0056d

  • SSDEEP

    12288:y+DbgAB778Qe2Y2NW76+Lm+nMO6a4Ti+N5qcQB0omFFUoIglO2+1lyV+Rro7n9m:jgABa+W764t6a4+4LQB0oEFUoIE+1u6k

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2944
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2996
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:2036
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1636

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/360-0-0x0000000000D40000-0x0000000000DF4000-memory.dmp
          Filesize

          720KB

        • memory/360-1-0x0000000074640000-0x0000000074D2E000-memory.dmp
          Filesize

          6.9MB

        • memory/360-2-0x0000000000570000-0x00000000005B0000-memory.dmp
          Filesize

          256KB

        • memory/360-3-0x00000000002D0000-0x00000000002E8000-memory.dmp
          Filesize

          96KB

        • memory/360-4-0x00000000004F0000-0x00000000004FE000-memory.dmp
          Filesize

          56KB

        • memory/360-5-0x0000000000500000-0x0000000000516000-memory.dmp
          Filesize

          88KB

        • memory/360-6-0x00000000050B0000-0x0000000005134000-memory.dmp
          Filesize

          528KB

        • memory/360-19-0x0000000074640000-0x0000000074D2E000-memory.dmp
          Filesize

          6.9MB

        • memory/1636-10-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/1636-9-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-15-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-17-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-13-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-8-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-18-0x0000000074640000-0x0000000074D2E000-memory.dmp
          Filesize

          6.9MB

        • memory/1636-7-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/1636-20-0x0000000000390000-0x00000000003D0000-memory.dmp
          Filesize

          256KB

        • memory/1636-21-0x0000000074640000-0x0000000074D2E000-memory.dmp
          Filesize

          6.9MB