Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 17:33

General

  • Target

    Arrival Notice.exe

  • Size

    632KB

  • MD5

    d5551d02842d0bca89645f6d2dcd9425

  • SHA1

    60e703ba9b877189f2a5349cae2512de050bc76c

  • SHA256

    558122a88015bea8cc58d92d22e752167ccf7d837d8d85a3070497471660de3a

  • SHA512

    a30a933775af324a4f6662288fa52ac8336d96cbbf44ca2ff9a40411ec2a4b6e2817b8372337bf1a1c18e476c3304a6e9bb8c8bcb4e7f44664de4af17d5670ae

  • SSDEEP

    12288:knJ+gIaWmooQ9gfWer8oDRGLndvQfaTGXc8YrN7n0x:GU9F9gfl8zBw/YrN7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Kinsing

    Kinsing is a loader written in Golang.

  • 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
  • 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\Arrival Notice.exe
    "C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • 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:2224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 2044
        3⤵
        • Program crash
        PID:2188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2224 -ip 2224
    1⤵
      PID:2244

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1600-8-0x0000000005660000-0x000000000566C000-memory.dmp

      Filesize

      48KB

    • memory/1600-4-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/1600-0-0x0000000000650000-0x00000000006F4000-memory.dmp

      Filesize

      656KB

    • memory/1600-3-0x0000000005100000-0x0000000005192000-memory.dmp

      Filesize

      584KB

    • memory/1600-9-0x0000000006390000-0x000000000640C000-memory.dmp

      Filesize

      496KB

    • memory/1600-5-0x00000000051A0000-0x00000000051AA000-memory.dmp

      Filesize

      40KB

    • memory/1600-6-0x0000000005510000-0x0000000005524000-memory.dmp

      Filesize

      80KB

    • memory/1600-10-0x0000000006630000-0x00000000066CC000-memory.dmp

      Filesize

      624KB

    • memory/1600-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

      Filesize

      5.6MB

    • memory/1600-1-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/1600-7-0x0000000005650000-0x0000000005658000-memory.dmp

      Filesize

      32KB

    • memory/1600-13-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2224-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2224-14-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2224-16-0x0000000005770000-0x0000000005780000-memory.dmp

      Filesize

      64KB

    • memory/2224-15-0x00000000057F0000-0x0000000005856000-memory.dmp

      Filesize

      408KB

    • memory/2224-17-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB