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Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2023, 12:32

General

  • Target

    SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.5366.exe

  • Size

    595KB

  • MD5

    c19399e9045071dc4ab0cb7f52f2f59e

  • SHA1

    1cc4169e607c1dbed814b66aef383d764b7a6e13

  • SHA256

    51b487c92f5e52dc485cb8971b4725ed6a475e2ace51946e3cc113863067ef13

  • SHA512

    35a4eeaa6c3d823810e5d2882758a0ee0682d8de31088fb8d2d2adc2fa407eed521ec3390ac2abb690cd3bac40261e1164e6df7180e9a0829f8bef1d001ac00a

  • SSDEEP

    12288:SMvCerm7itLTtlCJmBwHiKthWrbCurA+0Jlwhw/hKrGUMLT:jqermWltlCJmB6iShWGQ90A+hyQ

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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.5366.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.5366.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3808
    • 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:1664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 1972
        3⤵
        • Program crash
        PID:4668
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1664 -ip 1664
    1⤵
      PID:3360

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1664-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1664-17-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1664-16-0x00000000056F0000-0x0000000005756000-memory.dmp

      Filesize

      408KB

    • memory/1664-15-0x0000000003190000-0x00000000031A0000-memory.dmp

      Filesize

      64KB

    • memory/1664-13-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-4-0x0000000005040000-0x0000000005050000-memory.dmp

      Filesize

      64KB

    • memory/3808-6-0x0000000005450000-0x0000000005460000-memory.dmp

      Filesize

      64KB

    • memory/3808-7-0x0000000005590000-0x0000000005598000-memory.dmp

      Filesize

      32KB

    • memory/3808-8-0x0000000006250000-0x000000000625A000-memory.dmp

      Filesize

      40KB

    • memory/3808-9-0x00000000062A0000-0x000000000631A000-memory.dmp

      Filesize

      488KB

    • memory/3808-10-0x0000000008AE0000-0x0000000008B7C000-memory.dmp

      Filesize

      624KB

    • memory/3808-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

      Filesize

      40KB

    • memory/3808-1-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-3-0x00000000050D0000-0x0000000005162000-memory.dmp

      Filesize

      584KB

    • memory/3808-14-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

      Filesize

      5.6MB

    • memory/3808-0-0x0000000000630000-0x00000000006CC000-memory.dmp

      Filesize

      624KB