Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 01:55

General

  • Target

    chima(1).exe

  • Size

    647KB

  • MD5

    cceace4ecb1be92ee5deca9952a4235d

  • SHA1

    43d2e15471c65b8fd68585e611f74d82f3f02c35

  • SHA256

    abdca3519d0c75bbdf734fbefc073a7add76a9cd0a3d07874ddec16edd5fdaf0

  • SHA512

    90f0a2d4a376d5972e9437ca92f18fabdf2eb8eddc4c8d33ba7f5b1402d2644c8af6dd474d335c29994b66d270e0da45f39187c729d53ead4838e2dd746c73ca

  • SSDEEP

    12288:Zw3IU8S6eUdjbB9vq53fUQXELfc9J8/So1lpsXWGfV21enBdGSfzazJvUJHe:ZOItSAdPI3f3XSk9y/HlpsXWGd2IBd/P

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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\chima(1).exe
    "C:\Users\Admin\AppData\Local\Temp\chima(1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3984
    • 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:1508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 1980
        3⤵
        • Program crash
        PID:2468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1508 -ip 1508
    1⤵
      PID:3900

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1508-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1508-17-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1508-16-0x0000000004EA0000-0x0000000004F06000-memory.dmp

      Filesize

      408KB

    • memory/1508-15-0x0000000004F10000-0x0000000004F20000-memory.dmp

      Filesize

      64KB

    • memory/1508-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3984-8-0x0000000005D40000-0x0000000005D4A000-memory.dmp

      Filesize

      40KB

    • memory/3984-6-0x0000000005050000-0x0000000005068000-memory.dmp

      Filesize

      96KB

    • memory/3984-7-0x0000000005080000-0x0000000005088000-memory.dmp

      Filesize

      32KB

    • memory/3984-0-0x0000000000270000-0x0000000000318000-memory.dmp

      Filesize

      672KB

    • memory/3984-9-0x0000000008780000-0x00000000087FA000-memory.dmp

      Filesize

      488KB

    • memory/3984-10-0x00000000074C0000-0x000000000755C000-memory.dmp

      Filesize

      624KB

    • memory/3984-5-0x0000000004C90000-0x0000000004C9A000-memory.dmp

      Filesize

      40KB

    • memory/3984-13-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3984-4-0x0000000004B50000-0x0000000004B60000-memory.dmp

      Filesize

      64KB

    • memory/3984-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

      Filesize

      584KB

    • memory/3984-2-0x0000000005090000-0x0000000005634000-memory.dmp

      Filesize

      5.6MB

    • memory/3984-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB