Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    31-03-2024 13:38

General

  • Target

    8702b30de55c75700141ef035d824da5e53e6e3092c3cb0b0f8d28053f6be600.exe

  • Size

    1.8MB

  • MD5

    4e457349ee8ddd67accfbdc724f89b37

  • SHA1

    905a0840203a6df2f6ed2375cd48d4c3f70c8cd8

  • SHA256

    8702b30de55c75700141ef035d824da5e53e6e3092c3cb0b0f8d28053f6be600

  • SHA512

    cdc2e4e5f84ba367bb70cb27a86901774d3c2ff447f7ba2b82c05d57d5bae26b09574135bfc92e22ee3550e268e554716bbb2b5ebbc7c01a4ec5fd5b66ac5e51

  • SSDEEP

    49152:MDryDiqvEnmdAumMKK2K8Eo6hkSs8M8ixho50:MDeDxvGc2K8h6iSnM8Ko5

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 4 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 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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\8702b30de55c75700141ef035d824da5e53e6e3092c3cb0b0f8d28053f6be600.exe
    "C:\Users\Admin\AppData\Local\Temp\8702b30de55c75700141ef035d824da5e53e6e3092c3cb0b0f8d28053f6be600.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:1728
    • 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:4936
      • 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:1440
        • 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:664
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:1460
            • 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:4744
        • 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:3636
    • 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:2208
    • 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:2284

    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

      4e457349ee8ddd67accfbdc724f89b37

      SHA1

      905a0840203a6df2f6ed2375cd48d4c3f70c8cd8

      SHA256

      8702b30de55c75700141ef035d824da5e53e6e3092c3cb0b0f8d28053f6be600

      SHA512

      cdc2e4e5f84ba367bb70cb27a86901774d3c2ff447f7ba2b82c05d57d5bae26b09574135bfc92e22ee3550e268e554716bbb2b5ebbc7c01a4ec5fd5b66ac5e51

    • C:\Users\Admin\AppData\Local\Temp\271347359027_Desktop.zip

      Filesize

      102KB

      MD5

      f0e9481b2f6e8eff77e3c59d3c6e9fa1

      SHA1

      617530d71f30e40acefa37b82b88a11c5f080373

      SHA256

      4f7217f06fbc07dec73c72367b0f4ed3ebe5c7ea0adec7709c4eceb5a4d75d1b

      SHA512

      b7a64f4dd29cb33b78ffc8b4cfe5eaf15fd4d299772515dc8fd84dc60e12065823259aadddbd88721e99880cbf6485b4160cefdc0097d85c004c4d878a8e1625

    • C:\Users\Admin\AppData\Local\Temp\_Files_\SaveUnblock.txt

      Filesize

      101KB

      MD5

      7c6ee6e10ae1f7db426211ef73eecd54

      SHA1

      a46ac2b99d93067e3e1fcc9ee61bac137994b22c

      SHA256

      60c34e6a1fe1d239a40628f1b2cf72382d56c957fbcaf771399972148e339a91

      SHA512

      3d7abdae781875c412fbce4c2bf70a72ec666877c1d487cd807a25ad8357d0f10ba5021ecb9aba2e82a0ecabf4752a438a5f56ff359406d7d6e094f40846c765

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c4ytr5n5.qlk.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/1728-8-0x00000000051D0000-0x00000000051D1000-memory.dmp

      Filesize

      4KB

    • memory/1728-7-0x00000000051C0000-0x00000000051C1000-memory.dmp

      Filesize

      4KB

    • memory/1728-6-0x0000000005220000-0x0000000005221000-memory.dmp

      Filesize

      4KB

    • memory/1728-9-0x0000000005250000-0x0000000005251000-memory.dmp

      Filesize

      4KB

    • memory/1728-10-0x0000000005240000-0x0000000005241000-memory.dmp

      Filesize

      4KB

    • memory/1728-5-0x00000000051E0000-0x00000000051E1000-memory.dmp

      Filesize

      4KB

    • memory/1728-23-0x0000000000180000-0x0000000000635000-memory.dmp

      Filesize

      4.7MB

    • memory/1728-4-0x0000000005200000-0x0000000005201000-memory.dmp

      Filesize

      4KB

    • memory/1728-3-0x00000000051F0000-0x00000000051F1000-memory.dmp

      Filesize

      4KB

    • memory/1728-2-0x0000000000180000-0x0000000000635000-memory.dmp

      Filesize

      4.7MB

    • memory/1728-0-0x0000000000180000-0x0000000000635000-memory.dmp

      Filesize

      4.7MB

    • memory/1728-1-0x0000000077DE6000-0x0000000077DE8000-memory.dmp

      Filesize

      8KB

    • memory/2208-85-0x0000000005110000-0x0000000005111000-memory.dmp

      Filesize

      4KB

    • memory/2208-83-0x0000000005130000-0x0000000005131000-memory.dmp

      Filesize

      4KB

    • memory/2208-84-0x0000000005170000-0x0000000005171000-memory.dmp

      Filesize

      4KB

    • memory/2208-81-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/2208-87-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/2208-86-0x0000000005120000-0x0000000005121000-memory.dmp

      Filesize

      4KB

    • memory/2208-82-0x0000000005140000-0x0000000005141000-memory.dmp

      Filesize

      4KB

    • memory/2284-100-0x0000000005030000-0x0000000005031000-memory.dmp

      Filesize

      4KB

    • memory/2284-97-0x0000000005060000-0x0000000005061000-memory.dmp

      Filesize

      4KB

    • memory/2284-102-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/2284-99-0x0000000005090000-0x0000000005091000-memory.dmp

      Filesize

      4KB

    • memory/2284-98-0x0000000005050000-0x0000000005051000-memory.dmp

      Filesize

      4KB

    • memory/2284-95-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/2284-96-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/2284-101-0x0000000005040000-0x0000000005041000-memory.dmp

      Filesize

      4KB

    • memory/4744-56-0x00000274594C0000-0x00000274594D0000-memory.dmp

      Filesize

      64KB

    • memory/4744-65-0x00007FFB4C5E0000-0x00007FFB4D0A2000-memory.dmp

      Filesize

      10.8MB

    • memory/4744-60-0x00000274590A0000-0x00000274590AA000-memory.dmp

      Filesize

      40KB

    • memory/4744-59-0x0000027459480000-0x0000027459492000-memory.dmp

      Filesize

      72KB

    • memory/4744-57-0x00000274594C0000-0x00000274594D0000-memory.dmp

      Filesize

      64KB

    • memory/4744-55-0x00007FFB4C5E0000-0x00007FFB4D0A2000-memory.dmp

      Filesize

      10.8MB

    • memory/4744-54-0x0000027459070000-0x0000027459092000-memory.dmp

      Filesize

      136KB

    • memory/4936-28-0x0000000004F90000-0x0000000004F91000-memory.dmp

      Filesize

      4KB

    • memory/4936-79-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-68-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-67-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-58-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-33-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-32-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

      Filesize

      4KB

    • memory/4936-88-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-89-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-90-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-91-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-92-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-93-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-31-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

      Filesize

      4KB

    • memory/4936-30-0x0000000004F40000-0x0000000004F41000-memory.dmp

      Filesize

      4KB

    • memory/4936-29-0x0000000004F30000-0x0000000004F31000-memory.dmp

      Filesize

      4KB

    • memory/4936-27-0x0000000004F50000-0x0000000004F51000-memory.dmp

      Filesize

      4KB

    • memory/4936-25-0x0000000004F60000-0x0000000004F61000-memory.dmp

      Filesize

      4KB

    • memory/4936-26-0x0000000004F70000-0x0000000004F71000-memory.dmp

      Filesize

      4KB

    • memory/4936-24-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-21-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-103-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-104-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-105-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-106-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB

    • memory/4936-107-0x00000000006C0000-0x0000000000B75000-memory.dmp

      Filesize

      4.7MB