Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30/07/2024, 16:33

General

  • Target
    setup.exe
  • Size 1.9MB
  • Sample240730-t2hkhsycpp
  • SHA256 a840bdaefb80641123d7ca786ebace65769da70f45e18bd3f0c7ef7b2ffcabdd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • fed3aa

C2
  • http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • 25072023

C2
  • 185.215.113.67:40960

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detects Monster Stealer. 2 IoCs
  • Monster

    Monster is a Golang stealer that was discovered in 2024.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 8 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 22 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
      "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Users\Admin\AppData\Local\Temp\1000001001\build.exe
        "C:\Users\Admin\AppData\Local\Temp\1000001001\build.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2820
        • C:\Users\Admin\AppData\Local\Temp\onefile_2820_133668308867500000\stub.exe
          "C:\Users\Admin\AppData\Local\Temp\1000001001\build.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:408
      • C:\Users\Admin\AppData\Local\Temp\1000002001\GOLD.exe
        "C:\Users\Admin\AppData\Local\Temp\1000002001\GOLD.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 64
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1796
      • C:\Users\Admin\AppData\Local\Temp\1000003001\4434.exe
        "C:\Users\Admin\AppData\Local\Temp\1000003001\4434.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 64
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2112
      • C:\Users\Admin\AppData\Local\Temp\1000004001\crypteda.exe
        "C:\Users\Admin\AppData\Local\Temp\1000004001\crypteda.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2544
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 64
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2640
      • C:\Users\Admin\AppData\Local\Temp\1000005001\2.exe
        "C:\Users\Admin\AppData\Local\Temp\1000005001\2.exe"
        3⤵
        • Executes dropped EXE
        PID:2144
      • C:\Users\Admin\AppData\Local\Temp\1000009001\25072023.exe
        "C:\Users\Admin\AppData\Local\Temp\1000009001\25072023.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:1732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        build.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000001001\build.exe
        • Size 10.7MB
        • SHA256 9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4
        • MD5 SHA1 SHA512 SSDEEP

        GOLD.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000002001\GOLD.exe
        • Size 529KB
        • SHA256 519ee8e7e8891d779ac3238b9cb815fa2188c89ec58ccf96d8c5f14d53d2494b
        • MD5 SHA1 SHA512 SSDEEP

        4434.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000003001\4434.exe
        • Size 413KB
        • SHA256 46a8a9d9c639503a3c8c9654c18917a9cedbed9c93babd14ef14c1e25282c0d5
        • MD5 SHA1 SHA512 SSDEEP

        crypteda.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000004001\crypteda.exe
        • Size 1.4MB
        • SHA256 e015f535c8a9fab72f2e06863c559108b1a25af90468cb9f80292c3ba2c33f6e
        • MD5 SHA1 SHA512 SSDEEP

        2.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000005001\2.exe
        • Size 139KB
        • SHA256 83b7e36b7c0deb90be28c234398b630deedd16a0e9deb9f46e3c72c665ca5066
        • MD5 SHA1 SHA512 SSDEEP

        25072023.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000009001\25072023.exe
        • Size 304KB
        • SHA256 27955c80c620c31df686ccd2a92bce1d07e97c16fda6bd141812e9b0bdd7b06b
        • MD5 SHA1 SHA512 SSDEEP

        axplong.exe

        • Path C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
        • Size 1.9MB
        • SHA256 a840bdaefb80641123d7ca786ebace65769da70f45e18bd3f0c7ef7b2ffcabdd
        • MD5 SHA1 SHA512 SSDEEP

        TmpF27B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TmpF27B.tmp
        • Size 2KB
        • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
        • MD5 SHA1 SHA512

        python310.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2820_133668308867500000\python310.dll
        • Size 4.3MB
        • SHA256 058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20
        • MD5 SHA1 SHA512 SSDEEP

        stub.exe

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2820_133668308867500000\stub.exe
        • Size 18.0MB
        • SHA256 1352ad9860a42137b096d9675a7b8d578fbc596d965de3cb352619cbe6aaf4e9
        • MD5 SHA1 SHA512 SSDEEP

        memory/408-87-0x000000013FB50000-0x0000000140D8E000-memory.dmp

        memory/1732-227-0x00000000009C0000-0x0000000000A12000-memory.dmp

        memory/2096-32-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-19-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-24-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-25-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-26-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-27-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-28-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-29-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-30-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-31-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-241-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-33-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-34-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-22-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-21-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-23-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-18-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-95-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-17-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-194-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-164-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2096-144-0x0000000000DD0000-0x00000000012A5000-memory.dmp

        memory/2144-212-0x0000000000400000-0x0000000000437000-memory.dmp

        memory/2408-16-0x0000000000F20000-0x00000000013F5000-memory.dmp

        memory/2408-10-0x0000000000F20000-0x00000000013F5000-memory.dmp

        memory/2408-5-0x0000000000F20000-0x00000000013F5000-memory.dmp

        memory/2408-3-0x0000000000F20000-0x00000000013F5000-memory.dmp

        memory/2408-2-0x0000000000F21000-0x0000000000F4F000-memory.dmp

        memory/2408-1-0x00000000776C0000-0x00000000776C2000-memory.dmp

        memory/2408-0-0x0000000000F20000-0x00000000013F5000-memory.dmp

        memory/2820-143-0x000000013FD50000-0x0000000140828000-memory.dmp

        memory/2820-115-0x000000013FD50000-0x0000000140828000-memory.dmp