Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-03-2024 19:31

General

  • Target

    be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d.exe

  • Size

    1.8MB

  • MD5

    4554e58442693ece01d406c8e11167d7

  • SHA1

    4b11b68a0bc9c9e0b92c97cc06942adb0f193272

  • SHA256

    be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

  • SHA512

    8af5a0a9ac119eeaae11fb7b43cb3a6434d4bb8cc576333066556b6eda6855e14b2ece88babbf916f64e97a6ec0b1df85d32faf7464149a8def0ddfe4e2d4fea

  • SSDEEP

    49152:WZGOkVTcJXpSkGhP+vo8s928aahhv+SCJzQPsKH/3B4:RbgJ0y07sK/B

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/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 5 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 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 4 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d.exe
    "C:\Users\Admin\AppData\Local\Temp\be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d.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
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
      2⤵
      • 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:2144
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4784
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2984
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:2212
            • 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\271347359027_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5104
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:4624
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
      PID:4244
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
      PID:5028
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Identifies Wine through registry keys
      PID:5108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe

      Filesize

      1.8MB

      MD5

      4554e58442693ece01d406c8e11167d7

      SHA1

      4b11b68a0bc9c9e0b92c97cc06942adb0f193272

      SHA256

      be0339a093391c81910025ab527c9de3b1941c6f04ec0d27db2da5b56c4c5f7d

      SHA512

      8af5a0a9ac119eeaae11fb7b43cb3a6434d4bb8cc576333066556b6eda6855e14b2ece88babbf916f64e97a6ec0b1df85d32faf7464149a8def0ddfe4e2d4fea

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5jy2yb1u.vge.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll

      Filesize

      109KB

      MD5

      726cd06231883a159ec1ce28dd538699

      SHA1

      404897e6a133d255ad5a9c26ac6414d7134285a2

      SHA256

      12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46

      SHA512

      9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

      Filesize

      1.2MB

      MD5

      15a42d3e4579da615a384c717ab2109b

      SHA1

      22aeedeb2307b1370cdab70d6a6b6d2c13ad2301

      SHA256

      3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103

      SHA512

      1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444

    • memory/2020-8-0x00000000051F0000-0x00000000051F1000-memory.dmp

      Filesize

      4KB

    • memory/2020-6-0x0000000005240000-0x0000000005241000-memory.dmp

      Filesize

      4KB

    • memory/2020-5-0x0000000005200000-0x0000000005201000-memory.dmp

      Filesize

      4KB

    • memory/2020-7-0x00000000051E0000-0x00000000051E1000-memory.dmp

      Filesize

      4KB

    • memory/2020-4-0x0000000005220000-0x0000000005221000-memory.dmp

      Filesize

      4KB

    • memory/2020-9-0x0000000005270000-0x0000000005271000-memory.dmp

      Filesize

      4KB

    • memory/2020-10-0x0000000005260000-0x0000000005261000-memory.dmp

      Filesize

      4KB

    • memory/2020-3-0x0000000005210000-0x0000000005211000-memory.dmp

      Filesize

      4KB

    • memory/2020-22-0x0000000000970000-0x0000000000E2A000-memory.dmp

      Filesize

      4.7MB

    • memory/2020-0-0x0000000000970000-0x0000000000E2A000-memory.dmp

      Filesize

      4.7MB

    • memory/2020-2-0x0000000000970000-0x0000000000E2A000-memory.dmp

      Filesize

      4.7MB

    • memory/2020-1-0x0000000077D86000-0x0000000077D88000-memory.dmp

      Filesize

      8KB

    • memory/2144-93-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-105-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-28-0x0000000005260000-0x0000000005261000-memory.dmp

      Filesize

      4KB

    • memory/2144-29-0x00000000051F0000-0x00000000051F1000-memory.dmp

      Filesize

      4KB

    • memory/2144-30-0x0000000005200000-0x0000000005201000-memory.dmp

      Filesize

      4KB

    • memory/2144-31-0x0000000005250000-0x0000000005251000-memory.dmp

      Filesize

      4KB

    • memory/2144-32-0x0000000005280000-0x0000000005281000-memory.dmp

      Filesize

      4KB

    • memory/2144-33-0x0000000005270000-0x0000000005271000-memory.dmp

      Filesize

      4KB

    • memory/2144-34-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-26-0x0000000005230000-0x0000000005231000-memory.dmp

      Filesize

      4KB

    • memory/2144-46-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-25-0x0000000005220000-0x0000000005221000-memory.dmp

      Filesize

      4KB

    • memory/2144-110-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-109-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-108-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-107-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-106-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-92-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-27-0x0000000005210000-0x0000000005211000-memory.dmp

      Filesize

      4KB

    • memory/2144-23-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-68-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-24-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-91-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-90-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-89-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/2144-88-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/4244-82-0x00000000053F0000-0x00000000053F1000-memory.dmp

      Filesize

      4KB

    • memory/4244-85-0x00000000053C0000-0x00000000053C1000-memory.dmp

      Filesize

      4KB

    • memory/4244-86-0x00000000053D0000-0x00000000053D1000-memory.dmp

      Filesize

      4KB

    • memory/4244-87-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/4244-84-0x0000000005420000-0x0000000005421000-memory.dmp

      Filesize

      4KB

    • memory/4244-83-0x00000000053E0000-0x00000000053E1000-memory.dmp

      Filesize

      4KB

    • memory/4244-81-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/4244-80-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/5028-99-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

      Filesize

      4KB

    • memory/5028-102-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

      Filesize

      4KB

    • memory/5028-95-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/5028-96-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/5028-98-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/5028-97-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

      Filesize

      4KB

    • memory/5028-104-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB

    • memory/5028-100-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/5028-101-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

      Filesize

      4KB

    • memory/5028-103-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/5104-67-0x00007FFAC66A0000-0x00007FFAC7162000-memory.dmp

      Filesize

      10.8MB

    • memory/5104-61-0x00000241F5C90000-0x00000241F5C9A000-memory.dmp

      Filesize

      40KB

    • memory/5104-60-0x00000241F5E30000-0x00000241F5E42000-memory.dmp

      Filesize

      72KB

    • memory/5104-59-0x00000241F59B0000-0x00000241F59C0000-memory.dmp

      Filesize

      64KB

    • memory/5104-58-0x00000241F59B0000-0x00000241F59C0000-memory.dmp

      Filesize

      64KB

    • memory/5104-57-0x00000241F59B0000-0x00000241F59C0000-memory.dmp

      Filesize

      64KB

    • memory/5104-55-0x00000241F5CC0000-0x00000241F5CE2000-memory.dmp

      Filesize

      136KB

    • memory/5104-56-0x00007FFAC66A0000-0x00007FFAC7162000-memory.dmp

      Filesize

      10.8MB

    • memory/5108-112-0x0000000000740000-0x0000000000BFA000-memory.dmp

      Filesize

      4.7MB