Analysis

  • max time kernel
    134s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 09:34

General

  • Target

    Great Wall Motor Sale Bank_Sift_Copy.Pdf.exe

  • Size

    1.2MB

  • MD5

    2884d53826b824a28cfbc4ebefabf549

  • SHA1

    6968dbd0d1cedf3bdba126eb784974cbc0e4d2bd

  • SHA256

    1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0

  • SHA512

    3e6e5de3b0b36f4d3ca4a33193077706038d1bbaeb6fb1a0a6c4a40af501b814ce261a0f7fc4ac321680bc615eda459b09f4540f47a8ecec2fe2e8af2c04ff80

  • SSDEEP

    24576:ZZj9DS5AM4OF+PMwrSVlbmfDYkhDvGtjXtGUAF9kJ7MqudghfEuCj0hThiHHxlhs:ZZ4Mw7nx

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Great Wall Motor Sale Bank_Sift_Copy.Pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Great Wall Motor Sale Bank_Sift_Copy.Pdf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 12 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "po" /t REG_SZ /d "C:\Program Files (x86)\po.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 12
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1316
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "po" /t REG_SZ /d "C:\Program Files (x86)\po.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3212
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 24 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Great Wall Motor Sale Bank_Sift_Copy.Pdf.exe" "C:\Program Files (x86)\po.exe" && ping 127.0.0.1 -n 24 > nul && "C:\Program Files (x86)\po.exe"
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 24
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1644
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 24
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2200
      • C:\Program Files (x86)\po.exe
        "C:\Program Files (x86)\po.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1252
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\po.exe

    Filesize

    1.2MB

    MD5

    2884d53826b824a28cfbc4ebefabf549

    SHA1

    6968dbd0d1cedf3bdba126eb784974cbc0e4d2bd

    SHA256

    1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0

    SHA512

    3e6e5de3b0b36f4d3ca4a33193077706038d1bbaeb6fb1a0a6c4a40af501b814ce261a0f7fc4ac321680bc615eda459b09f4540f47a8ecec2fe2e8af2c04ff80

  • memory/1252-20-0x0000000006B00000-0x0000000006B06000-memory.dmp

    Filesize

    24KB

  • memory/1252-18-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-24-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-21-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-19-0x00000000057F0000-0x000000000580A000-memory.dmp

    Filesize

    104KB

  • memory/1252-16-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-17-0x0000000000130000-0x0000000000264000-memory.dmp

    Filesize

    1.2MB

  • memory/1488-6-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-1-0x0000000000980000-0x0000000000AB4000-memory.dmp

    Filesize

    1.2MB

  • memory/1488-2-0x0000000004FF0000-0x000000000508C000-memory.dmp

    Filesize

    624KB

  • memory/1488-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-7-0x0000000005100000-0x000000000510A000-memory.dmp

    Filesize

    40KB

  • memory/1488-10-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-5-0x00000000051C0000-0x000000000525E000-memory.dmp

    Filesize

    632KB

  • memory/1488-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

    Filesize

    4KB

  • memory/1488-4-0x0000000005120000-0x00000000051B2000-memory.dmp

    Filesize

    584KB

  • memory/1488-3-0x00000000056D0000-0x0000000005C74000-memory.dmp

    Filesize

    5.6MB

  • memory/4932-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4932-25-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/4932-26-0x00000000068A0000-0x00000000068F0000-memory.dmp

    Filesize

    320KB