Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 14:19

General

  • Target

    SHIPPING DOCUMENTS#202993.exe

  • Size

    683KB

  • MD5

    6adb7b71640a2f11f8144693e2b15d41

  • SHA1

    38c3551a6b02c88e793f37b29a522071100bced6

  • SHA256

    b5cd63c5fec95f16d9c11ca726e0bad76d52eb122a6458b3940d5dd94d3a7dfb

  • SHA512

    d5a6bca0366b1aed4c03f70defc319e70932c18d9ca89183f08479aa8d306532a50f3e06a08fe4182ae0e86e2980b5971940dca75a5a397f48da5e26d4664c30

  • SSDEEP

    12288:C4ueH5qfhisCn/zzGAfjmT0HHy5Jvjgbsfc1DhpYChjAVejJI:PqZxwG4jmT0H6Vjgbcc1Dhpbac

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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#202993.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS#202993.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4508
      • 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:4292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 1976
          3⤵
          • Program crash
          PID:4600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4292 -ip 4292
      1⤵
        PID:1196

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2888-8-0x00000000061A0000-0x00000000061AA000-memory.dmp

        Filesize

        40KB

      • memory/2888-4-0x0000000005090000-0x00000000050A0000-memory.dmp

        Filesize

        64KB

      • memory/2888-0-0x0000000000480000-0x0000000000532000-memory.dmp

        Filesize

        712KB

      • memory/2888-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

        Filesize

        584KB

      • memory/2888-9-0x00000000067F0000-0x000000000686A000-memory.dmp

        Filesize

        488KB

      • memory/2888-5-0x0000000005000000-0x000000000500A000-memory.dmp

        Filesize

        40KB

      • memory/2888-6-0x0000000005380000-0x000000000539A000-memory.dmp

        Filesize

        104KB

      • memory/2888-10-0x0000000008DB0000-0x0000000008E4C000-memory.dmp

        Filesize

        624KB

      • memory/2888-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

        Filesize

        5.6MB

      • memory/2888-1-0x0000000074AE0000-0x0000000075290000-memory.dmp

        Filesize

        7.7MB

      • memory/2888-7-0x0000000006180000-0x0000000006188000-memory.dmp

        Filesize

        32KB

      • memory/2888-14-0x0000000074AE0000-0x0000000075290000-memory.dmp

        Filesize

        7.7MB

      • memory/4292-13-0x0000000074AE0000-0x0000000075290000-memory.dmp

        Filesize

        7.7MB

      • memory/4292-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4292-15-0x0000000005170000-0x0000000005180000-memory.dmp

        Filesize

        64KB

      • memory/4292-16-0x00000000051F0000-0x0000000005256000-memory.dmp

        Filesize

        408KB

      • memory/4292-17-0x0000000074AE0000-0x0000000075290000-memory.dmp

        Filesize

        7.7MB