Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 08:38

General

  • Target

    c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410.exe

  • Size

    1.8MB

  • MD5

    45d4b952be3e0144f2309c2b24f8d0f2

  • SHA1

    6d4110ed7e909fac3f4bdb3f0548f9cc0526c0f0

  • SHA256

    c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410

  • SHA512

    da8d18c5aeb230e6ce243515d2fc96b385bd8e0f9bb4f8faa0234b29d3ca46d5217c92bc640fc69d3ef24797c95d716de010f8dc7bcbde7ba8b37941bbfbbc6b

  • SSDEEP

    49152:x3mb2Sl15Z5kq7dU1JChNKQVy/xmbEvumjvsfi:k6SJ8CN3hEWLf

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410.exe
    "C:\Users\Admin\AppData\Local\Temp\c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410.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
    • Suspicious use of FindShellTrayWindow
    PID:2288
  • 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
    • Checks computer location settings
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4212
    • 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:3840
      • 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:1728
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:3740
          • 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\172592802658_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4012
      • 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:3188
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3860 --field-trial-handle=2268,i,4334050275411101233,11484630688883830558,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4072

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      2
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Discovery

      Query Registry

      4
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      3
      T1082

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        1.8MB

        MD5

        45d4b952be3e0144f2309c2b24f8d0f2

        SHA1

        6d4110ed7e909fac3f4bdb3f0548f9cc0526c0f0

        SHA256

        c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410

        SHA512

        da8d18c5aeb230e6ce243515d2fc96b385bd8e0f9bb4f8faa0234b29d3ca46d5217c92bc640fc69d3ef24797c95d716de010f8dc7bcbde7ba8b37941bbfbbc6b

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jrlrgn1v.jxw.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • 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/2288-8-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
        Filesize

        4KB

      • memory/2288-3-0x0000000005000000-0x0000000005001000-memory.dmp
        Filesize

        4KB

      • memory/2288-6-0x0000000005040000-0x0000000005041000-memory.dmp
        Filesize

        4KB

      • memory/2288-7-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
        Filesize

        4KB

      • memory/2288-5-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
        Filesize

        4KB

      • memory/2288-9-0x0000000005030000-0x0000000005031000-memory.dmp
        Filesize

        4KB

      • memory/2288-10-0x0000000005060000-0x0000000005061000-memory.dmp
        Filesize

        4KB

      • memory/2288-11-0x0000000005050000-0x0000000005051000-memory.dmp
        Filesize

        4KB

      • memory/2288-16-0x0000000000420000-0x00000000008E5000-memory.dmp
        Filesize

        4.8MB

      • memory/2288-4-0x0000000005010000-0x0000000005011000-memory.dmp
        Filesize

        4KB

      • memory/2288-0-0x0000000000420000-0x00000000008E5000-memory.dmp
        Filesize

        4.8MB

      • memory/2288-2-0x0000000000420000-0x00000000008E5000-memory.dmp
        Filesize

        4.8MB

      • memory/2288-1-0x0000000077904000-0x0000000077906000-memory.dmp
        Filesize

        8KB

      • memory/4012-70-0x0000029DCA870000-0x0000029DCA87A000-memory.dmp
        Filesize

        40KB

      • memory/4012-47-0x0000029DCA800000-0x0000029DCA822000-memory.dmp
        Filesize

        136KB

      • memory/4012-76-0x00007FFE00BF0000-0x00007FFE016B1000-memory.dmp
        Filesize

        10.8MB

      • memory/4012-69-0x0000029DCA890000-0x0000029DCA8A2000-memory.dmp
        Filesize

        72KB

      • memory/4012-57-0x0000029DCA8C0000-0x0000029DCA8D0000-memory.dmp
        Filesize

        64KB

      • memory/4012-56-0x0000029DCA8C0000-0x0000029DCA8D0000-memory.dmp
        Filesize

        64KB

      • memory/4012-55-0x00007FFE00BF0000-0x00007FFE016B1000-memory.dmp
        Filesize

        10.8MB

      • memory/4212-30-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-26-0x0000000004C90000-0x0000000004C91000-memory.dmp
        Filesize

        4KB

      • memory/4212-25-0x0000000004C80000-0x0000000004C81000-memory.dmp
        Filesize

        4KB

      • memory/4212-43-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-44-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-29-0x0000000004CF0000-0x0000000004CF1000-memory.dmp
        Filesize

        4KB

      • memory/4212-23-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
        Filesize

        4KB

      • memory/4212-28-0x0000000004D00000-0x0000000004D01000-memory.dmp
        Filesize

        4KB

      • memory/4212-27-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
        Filesize

        4KB

      • memory/4212-24-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
        Filesize

        4KB

      • memory/4212-20-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-21-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
        Filesize

        4KB

      • memory/4212-19-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-22-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
        Filesize

        4KB

      • memory/4212-77-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-78-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-79-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-80-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-81-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-82-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-83-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-84-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-85-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB

      • memory/4212-86-0x0000000000C80000-0x0000000001145000-memory.dmp
        Filesize

        4.8MB