Analysis

  • max time kernel
    299s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/03/2024, 05:04

General

  • Target

    e02e57908d663a421032437b13242a71ed5114efade6532d862140709463495e.exe

  • Size

    1.9MB

  • MD5

    cac99a7d6e2694ba5d3f1caebcba4289

  • SHA1

    534a59ecaa69f5de4f2a1da7253d2de8b312437b

  • SHA256

    e02e57908d663a421032437b13242a71ed5114efade6532d862140709463495e

  • SHA512

    f22e15137d0d26fe8551a978cf56a1939e1d931a54c5b52ece960417d35b48b42a4f86bc3ddc88c7239a2e6a0a9d6e7a7f11ce565be7d674b03e9ab1053f42ae

  • SSDEEP

    49152:sQWcrWKywF/4n9wTJjutAPgX8Pqrk1zkYytszE:sOWJSTJ1oXVrukZd

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Signatures

  • Amadey

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 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 1 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 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e02e57908d663a421032437b13242a71ed5114efade6532d862140709463495e.exe
    "C:\Users\Admin\AppData\Local\Temp\e02e57908d663a421032437b13242a71ed5114efade6532d862140709463495e.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2132
  • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4620
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:916
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:1728
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\824464007487_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:784
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:1608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

      Filesize

      1.9MB

      MD5

      cac99a7d6e2694ba5d3f1caebcba4289

      SHA1

      534a59ecaa69f5de4f2a1da7253d2de8b312437b

      SHA256

      e02e57908d663a421032437b13242a71ed5114efade6532d862140709463495e

      SHA512

      f22e15137d0d26fe8551a978cf56a1939e1d931a54c5b52ece960417d35b48b42a4f86bc3ddc88c7239a2e6a0a9d6e7a7f11ce565be7d674b03e9ab1053f42ae

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hnqsuwaf.ys4.ps1

      Filesize

      1B

      MD5

      c4ca4238a0b923820dcc509a6f75849b

      SHA1

      356a192b7913b04c54574d18c28d46e6395428ab

      SHA256

      6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

      SHA512

      4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

    • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll

      Filesize

      109KB

      MD5

      2afdbe3b99a4736083066a13e4b5d11a

      SHA1

      4d4856cf02b3123ac16e63d4a448cdbcb1633546

      SHA256

      8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

      SHA512

      d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

    • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll

      Filesize

      1.2MB

      MD5

      92fbdfccf6a63acef2743631d16652a7

      SHA1

      971968b1378dd89d59d7f84bf92f16fc68664506

      SHA256

      b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

      SHA512

      b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

    • memory/784-46-0x000002DEB9B00000-0x000002DEB9B22000-memory.dmp

      Filesize

      136KB

    • memory/784-52-0x000002DEB9CB0000-0x000002DEB9D26000-memory.dmp

      Filesize

      472KB

    • memory/784-49-0x000002DEA18C0000-0x000002DEA18D0000-memory.dmp

      Filesize

      64KB

    • memory/784-47-0x000002DEA18C0000-0x000002DEA18D0000-memory.dmp

      Filesize

      64KB

    • memory/784-73-0x000002DEA18C0000-0x000002DEA18D0000-memory.dmp

      Filesize

      64KB

    • memory/784-87-0x000002DEB9E30000-0x000002DEB9E42000-memory.dmp

      Filesize

      72KB

    • memory/784-100-0x000002DEB9CA0000-0x000002DEB9CAA000-memory.dmp

      Filesize

      40KB

    • memory/784-109-0x00007FFEB4460000-0x00007FFEB4E4C000-memory.dmp

      Filesize

      9.9MB

    • memory/784-45-0x00007FFEB4460000-0x00007FFEB4E4C000-memory.dmp

      Filesize

      9.9MB

    • memory/2132-5-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/2132-16-0x00000000009C0000-0x0000000000E93000-memory.dmp

      Filesize

      4.8MB

    • memory/2132-0-0x00000000009C0000-0x0000000000E93000-memory.dmp

      Filesize

      4.8MB

    • memory/2132-11-0x00000000053A0000-0x00000000053A1000-memory.dmp

      Filesize

      4KB

    • memory/2132-12-0x0000000005390000-0x0000000005391000-memory.dmp

      Filesize

      4KB

    • memory/2132-2-0x00000000009C0000-0x0000000000E93000-memory.dmp

      Filesize

      4.8MB

    • memory/2132-3-0x0000000005350000-0x0000000005351000-memory.dmp

      Filesize

      4KB

    • memory/2132-4-0x0000000005360000-0x0000000005361000-memory.dmp

      Filesize

      4KB

    • memory/2132-6-0x0000000005380000-0x0000000005381000-memory.dmp

      Filesize

      4KB

    • memory/2132-7-0x0000000005320000-0x0000000005321000-memory.dmp

      Filesize

      4KB

    • memory/2132-8-0x0000000005330000-0x0000000005331000-memory.dmp

      Filesize

      4KB

    • memory/2132-9-0x0000000005370000-0x0000000005371000-memory.dmp

      Filesize

      4KB

    • memory/2132-1-0x0000000077474000-0x0000000077475000-memory.dmp

      Filesize

      4KB

    • memory/5044-20-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-127-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-48-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-27-0x00000000049F0000-0x00000000049F1000-memory.dmp

      Filesize

      4KB

    • memory/5044-25-0x0000000004980000-0x0000000004981000-memory.dmp

      Filesize

      4KB

    • memory/5044-26-0x00000000049A0000-0x00000000049A1000-memory.dmp

      Filesize

      4KB

    • memory/5044-24-0x0000000004970000-0x0000000004971000-memory.dmp

      Filesize

      4KB

    • memory/5044-23-0x00000000049D0000-0x00000000049D1000-memory.dmp

      Filesize

      4KB

    • memory/5044-21-0x00000000049B0000-0x00000000049B1000-memory.dmp

      Filesize

      4KB

    • memory/5044-22-0x0000000004990000-0x0000000004991000-memory.dmp

      Filesize

      4KB

    • memory/5044-110-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-111-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-19-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-123-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-124-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-125-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-126-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-28-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-128-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-129-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-130-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-131-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-132-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-133-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-134-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-135-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-136-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-137-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-138-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-139-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-140-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-141-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-142-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-143-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-144-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB

    • memory/5044-145-0x0000000001320000-0x00000000017F3000-memory.dmp

      Filesize

      4.8MB