Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    31-03-2024 09:03

General

  • Target

    92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe

  • Size

    1.8MB

  • MD5

    f0b66b6dbd4b08e9c5daf536f73dba5e

  • SHA1

    800212cd4edf77c4e3b4fdafd18afd8ea74be90a

  • SHA256

    92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

  • SHA512

    b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0

  • SSDEEP

    49152:b70vk2sNH339Il99Gk7l7Nbbeomh38GaO6:bFn9k94kx5beos1aO

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 2 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.exe
    "C:\Users\Admin\AppData\Local\Temp\92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1.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:1584
  • 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:3764
    • C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe
      "C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4736
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 896
        3⤵
        • Program crash
        PID:1420
    • 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:1196
      • 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:548
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:4748
          • 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\233663403127_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1608
      • 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:440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4736 -ip 4736
      1⤵
        PID:1596

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        f0b66b6dbd4b08e9c5daf536f73dba5e

        SHA1

        800212cd4edf77c4e3b4fdafd18afd8ea74be90a

        SHA256

        92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

        SHA512

        b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0

      • C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe

        Filesize

        321KB

        MD5

        1c7d0f34bb1d85b5d2c01367cc8f62ef

        SHA1

        33aedadb5361f1646cffd68791d72ba5f1424114

        SHA256

        e9e09c5e5d03d21fca820bd9b0a0ea7b86ab9e85cdc9996f8f1dc822b0cc801c

        SHA512

        53bf85d2b004f69bbbf7b6dc78e5f021aba71b6f814101c55d3bf76e6d058a973bc58270b6b621b2100c6e02d382f568d1e96024464e8ea81e6db8ccd948679d

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q3jvlzc3.gol.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/1584-6-0x0000000004E10000-0x0000000004E11000-memory.dmp

        Filesize

        4KB

      • memory/1584-3-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

        Filesize

        4KB

      • memory/1584-5-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

        Filesize

        4KB

      • memory/1584-4-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

        Filesize

        4KB

      • memory/1584-7-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

        Filesize

        4KB

      • memory/1584-8-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

        Filesize

        4KB

      • memory/1584-9-0x0000000004E00000-0x0000000004E01000-memory.dmp

        Filesize

        4KB

      • memory/1584-11-0x0000000004E20000-0x0000000004E21000-memory.dmp

        Filesize

        4KB

      • memory/1584-10-0x0000000004E30000-0x0000000004E31000-memory.dmp

        Filesize

        4KB

      • memory/1584-16-0x0000000000E80000-0x0000000001334000-memory.dmp

        Filesize

        4.7MB

      • memory/1584-2-0x0000000000E80000-0x0000000001334000-memory.dmp

        Filesize

        4.7MB

      • memory/1584-1-0x00000000778D6000-0x00000000778D8000-memory.dmp

        Filesize

        8KB

      • memory/1584-0-0x0000000000E80000-0x0000000001334000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-22-0x0000000005730000-0x0000000005731000-memory.dmp

        Filesize

        4KB

      • memory/3764-220-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-167-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-27-0x0000000005750000-0x0000000005751000-memory.dmp

        Filesize

        4KB

      • memory/3764-25-0x00000000056F0000-0x00000000056F1000-memory.dmp

        Filesize

        4KB

      • memory/3764-26-0x0000000005700000-0x0000000005701000-memory.dmp

        Filesize

        4KB

      • memory/3764-28-0x0000000005780000-0x0000000005781000-memory.dmp

        Filesize

        4KB

      • memory/3764-29-0x0000000005770000-0x0000000005771000-memory.dmp

        Filesize

        4KB

      • memory/3764-225-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-224-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-223-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-222-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-221-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-23-0x0000000005710000-0x0000000005711000-memory.dmp

        Filesize

        4KB

      • memory/3764-219-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-218-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-217-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-216-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-215-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-214-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-24-0x0000000005760000-0x0000000005761000-memory.dmp

        Filesize

        4KB

      • memory/3764-202-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-21-0x0000000005720000-0x0000000005721000-memory.dmp

        Filesize

        4KB

      • memory/3764-20-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/3764-19-0x0000000000C90000-0x0000000001144000-memory.dmp

        Filesize

        4.7MB

      • memory/4608-71-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-92-0x00000000030A0000-0x00000000030E0000-memory.dmp

        Filesize

        256KB

      • memory/4608-73-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-53-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4608-56-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4608-74-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-76-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-77-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-78-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-79-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-80-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-81-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-82-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-83-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-84-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-85-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-87-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-88-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-89-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-90-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-91-0x00000000030A0000-0x00000000030E0000-memory.dmp

        Filesize

        256KB

      • memory/4608-72-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-93-0x00000000030A0000-0x00000000030E0000-memory.dmp

        Filesize

        256KB

      • memory/4608-94-0x00000000030A0000-0x00000000030E0000-memory.dmp

        Filesize

        256KB

      • memory/4608-95-0x00000000030A0000-0x00000000030E0000-memory.dmp

        Filesize

        256KB

      • memory/4608-86-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-70-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-69-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-68-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-67-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-66-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-65-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-64-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-63-0x0000000002FA0000-0x00000000030A0000-memory.dmp

        Filesize

        1024KB

      • memory/4608-62-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4608-59-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

        Filesize

        256KB

      • memory/4608-61-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

        Filesize

        256KB

      • memory/4608-60-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

        Filesize

        256KB

      • memory/4608-58-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

        Filesize

        256KB

      • memory/4736-49-0x0000000000C40000-0x0000000000C92000-memory.dmp

        Filesize

        328KB

      • memory/4736-50-0x0000000073290000-0x0000000073A41000-memory.dmp

        Filesize

        7.7MB

      • memory/4736-75-0x0000000073290000-0x0000000073A41000-memory.dmp

        Filesize

        7.7MB

      • memory/4736-57-0x00000000031A0000-0x00000000051A0000-memory.dmp

        Filesize

        32.0MB