Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2024 11:50

General

  • Target

    6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe

  • Size

    1.8MB

  • MD5

    3309ac6c3fa2bdb38ab537f55796acb6

  • SHA1

    ca468c76d4374a603212da2a8dead5c40e3437f3

  • SHA256

    6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b

  • SHA512

    a0289588d8de5e69220c5e6af613157b1b82fe1703a5c5961d8ba73cb4fc4d659c551ae3bf8185831915c2726d41e0fa36ecaaa001da47e1647f9765b7d30c51

  • SSDEEP

    24576:fIoMzcDfbiNvb6mZoDgtWP/94j/kkEPx7iJ5r7znFhGpzQmC5CXW5DJMnDfrH3TQ:LEcb+V+dgtWd4geR/GfQfRajH1NaJ

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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe
    "C:\Users\Admin\AppData\Local\Temp\6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.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:3600
  • 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:3032
    • 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:1756
      • 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:3188
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:3684
          • 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\831553292808_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1220
      • 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:5072

    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

      3309ac6c3fa2bdb38ab537f55796acb6

      SHA1

      ca468c76d4374a603212da2a8dead5c40e3437f3

      SHA256

      6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b

      SHA512

      a0289588d8de5e69220c5e6af613157b1b82fe1703a5c5961d8ba73cb4fc4d659c551ae3bf8185831915c2726d41e0fa36ecaaa001da47e1647f9765b7d30c51

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i2vxgomj.sbo.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/1220-64-0x00007FFB5AD80000-0x00007FFB5B841000-memory.dmp

      Filesize

      10.8MB

    • memory/1220-58-0x0000020A53200000-0x0000020A5320A000-memory.dmp

      Filesize

      40KB

    • memory/1220-57-0x0000020A53210000-0x0000020A53222000-memory.dmp

      Filesize

      72KB

    • memory/1220-56-0x0000020A3A6C0000-0x0000020A3A6D0000-memory.dmp

      Filesize

      64KB

    • memory/1220-55-0x0000020A3A6C0000-0x0000020A3A6D0000-memory.dmp

      Filesize

      64KB

    • memory/1220-53-0x0000020A3A6C0000-0x0000020A3A6D0000-memory.dmp

      Filesize

      64KB

    • memory/1220-52-0x00007FFB5AD80000-0x00007FFB5B841000-memory.dmp

      Filesize

      10.8MB

    • memory/1220-47-0x0000020A3A690000-0x0000020A3A6B2000-memory.dmp

      Filesize

      136KB

    • memory/3032-28-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

      Filesize

      4KB

    • memory/3032-79-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-19-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-20-0x0000000004B90000-0x0000000004B91000-memory.dmp

      Filesize

      4KB

    • memory/3032-21-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

      Filesize

      4KB

    • memory/3032-22-0x0000000004B80000-0x0000000004B81000-memory.dmp

      Filesize

      4KB

    • memory/3032-23-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

      Filesize

      4KB

    • memory/3032-26-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

      Filesize

      4KB

    • memory/3032-25-0x0000000004B70000-0x0000000004B71000-memory.dmp

      Filesize

      4KB

    • memory/3032-24-0x0000000004B60000-0x0000000004B61000-memory.dmp

      Filesize

      4KB

    • memory/3032-27-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

      Filesize

      4KB

    • memory/3032-88-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-29-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-87-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-86-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-85-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-84-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-83-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-54-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-82-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-81-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-80-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-18-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-78-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-65-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3032-66-0x0000000000BF0000-0x00000000010A5000-memory.dmp

      Filesize

      4.7MB

    • memory/3600-1-0x00000000776F4000-0x00000000776F6000-memory.dmp

      Filesize

      8KB

    • memory/3600-2-0x0000000000860000-0x0000000000D15000-memory.dmp

      Filesize

      4.7MB

    • memory/3600-3-0x00000000053F0000-0x00000000053F1000-memory.dmp

      Filesize

      4KB

    • memory/3600-4-0x0000000005400000-0x0000000005401000-memory.dmp

      Filesize

      4KB

    • memory/3600-5-0x00000000053E0000-0x00000000053E1000-memory.dmp

      Filesize

      4KB

    • memory/3600-6-0x0000000005420000-0x0000000005421000-memory.dmp

      Filesize

      4KB

    • memory/3600-7-0x00000000053C0000-0x00000000053C1000-memory.dmp

      Filesize

      4KB

    • memory/3600-8-0x00000000053D0000-0x00000000053D1000-memory.dmp

      Filesize

      4KB

    • memory/3600-10-0x0000000005430000-0x0000000005431000-memory.dmp

      Filesize

      4KB

    • memory/3600-9-0x0000000005440000-0x0000000005441000-memory.dmp

      Filesize

      4KB

    • memory/3600-15-0x0000000000860000-0x0000000000D15000-memory.dmp

      Filesize

      4.7MB

    • memory/3600-0-0x0000000000860000-0x0000000000D15000-memory.dmp

      Filesize

      4.7MB