Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 13:43

General

  • Target

    233388d94222a924ea54604e4e2ab0d12d730cfa58c09f10070b812ef16f3d67.exe

  • Size

    827KB

  • MD5

    e381119d4028bffcdde3ee3fd19dd526

  • SHA1

    c40003854d42c7d022e0ea2bdea721709345ac81

  • SHA256

    233388d94222a924ea54604e4e2ab0d12d730cfa58c09f10070b812ef16f3d67

  • SHA512

    e071de3b23366a01ff4984a0adb414612dc9b22ffe7389d77e3beb0ccc50d6ee50832533b9fac49362e8d1d140d512a4c1df477ae96e641daa740b4cddf401a6

  • SSDEEP

    24576:7MeVvo/ndA5w80rCvFKUNCexCdM1DKGYfpBhtD/BD+:ro/ndf9rC0ezCdK9Y3BD

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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\233388d94222a924ea54604e4e2ab0d12d730cfa58c09f10070b812ef16f3d67.exe
    "C:\Users\Admin\AppData\Local\Temp\233388d94222a924ea54604e4e2ab0d12d730cfa58c09f10070b812ef16f3d67.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:460
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4580
        • 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:1996
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 1972
            3⤵
            • Program crash
            PID:1920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1996 -ip 1996
        1⤵
          PID:1432

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1836-8-0x00000000050B0000-0x00000000050B8000-memory.dmp

          Filesize

          32KB

        • memory/1836-2-0x0000000005110000-0x00000000056B4000-memory.dmp

          Filesize

          5.6MB

        • memory/1836-9-0x0000000004630000-0x000000000463A000-memory.dmp

          Filesize

          40KB

        • memory/1836-10-0x00000000065C0000-0x000000000663A000-memory.dmp

          Filesize

          488KB

        • memory/1836-4-0x00000000056C0000-0x0000000005A14000-memory.dmp

          Filesize

          3.3MB

        • memory/1836-5-0x0000000004E70000-0x0000000004E80000-memory.dmp

          Filesize

          64KB

        • memory/1836-6-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

          Filesize

          40KB

        • memory/1836-7-0x0000000005050000-0x000000000506A000-memory.dmp

          Filesize

          104KB

        • memory/1836-0-0x0000000000170000-0x0000000000244000-memory.dmp

          Filesize

          848KB

        • memory/1836-1-0x0000000074CB0000-0x0000000075460000-memory.dmp

          Filesize

          7.7MB

        • memory/1836-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

          Filesize

          584KB

        • memory/1836-11-0x0000000009F80000-0x000000000A01C000-memory.dmp

          Filesize

          624KB

        • memory/1836-16-0x0000000074CB0000-0x0000000075460000-memory.dmp

          Filesize

          7.7MB

        • memory/1996-14-0x0000000074CB0000-0x0000000075460000-memory.dmp

          Filesize

          7.7MB

        • memory/1996-15-0x0000000005460000-0x00000000054C6000-memory.dmp

          Filesize

          408KB

        • memory/1996-12-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1996-17-0x0000000005450000-0x0000000005460000-memory.dmp

          Filesize

          64KB

        • memory/1996-18-0x0000000074CB0000-0x0000000075460000-memory.dmp

          Filesize

          7.7MB