Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30/08/2024, 01:12

General

  • Target

    1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0.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
  • Loads dropped DLL 2 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0.exe
    "C:\Users\Admin\AppData\Local\Temp\1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 10 > 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:1936
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 10
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2708
      • 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:2856
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 23 > nul && copy "C:\Users\Admin\AppData\Local\Temp\1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0.exe" "C:\Program Files (x86)\po.exe" && ping 127.0.0.1 -n 23 > nul && "C:\Program Files (x86)\po.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 23
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2852
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 23
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2796
      • 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:2384
        • 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:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\po.exe

    Filesize

    1.2MB

    MD5

    2884d53826b824a28cfbc4ebefabf549

    SHA1

    6968dbd0d1cedf3bdba126eb784974cbc0e4d2bd

    SHA256

    1a0c97c25e5ff8c862717d45f566659b76014262e3f8aa2867683f6f62af9be0

    SHA512

    3e6e5de3b0b36f4d3ca4a33193077706038d1bbaeb6fb1a0a6c4a40af501b814ce261a0f7fc4ac321680bc615eda459b09f4540f47a8ecec2fe2e8af2c04ff80

  • memory/2384-17-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2384-16-0x00000000003E0000-0x00000000003FA000-memory.dmp

    Filesize

    104KB

  • memory/2384-15-0x0000000000870000-0x00000000009A4000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-4-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-0-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/2548-3-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-2-0x00000000045C0000-0x000000000465E000-memory.dmp

    Filesize

    632KB

  • memory/2548-1-0x0000000000310000-0x0000000000444000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-26-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2932-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB