Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 21:55

General

  • Target

    94e303883a33e0b079c2430fb49d83317475ef9b14dc31a863d29c3321e04e15.exe

  • Size

    1.8MB

  • MD5

    6cb4effacd5bfe6073329e79a782475e

  • SHA1

    c4f9bed7166f301fbf1f364040a35b2899d8a400

  • SHA256

    94e303883a33e0b079c2430fb49d83317475ef9b14dc31a863d29c3321e04e15

  • SHA512

    6e3d900d7f54dd83c5b575cbf285cf7dc8ca8784ce58a8f2e68d9ff0b14f6752ba8c328d47159f111da86bcc6004eb3bd4c4e2255615be33a1168f4098d8f72d

  • SSDEEP

    24576:sm27kYoqFTD+4V/9bTU5p60NceMm18tun4fmiD+8CRr0nX4notJbJJ6FqbyqEiBj:PQk8U41ZgLykn/i6rE4notLJmqbP31

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

Extracted

Family

systembc

C2

67.211.218.147:4001

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • 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.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 8 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 23 IoCs
  • Drops file in Windows directory 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94e303883a33e0b079c2430fb49d83317475ef9b14dc31a863d29c3321e04e15.exe
    "C:\Users\Admin\AppData\Local\Temp\94e303883a33e0b079c2430fb49d83317475ef9b14dc31a863d29c3321e04e15.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5032
    • 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
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Users\Admin\AppData\Local\Temp\1000105001\jgyesfersg.exe
        "C:\Users\Admin\AppData\Local\Temp\1000105001\jgyesfersg.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1444
          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe
            work.exe -priverdD
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2780
            • C:\Users\Admin\AppData\Local\Temp\RarSFX1\ogkdraw.exe
              "C:\Users\Admin\AppData\Local\Temp\RarSFX1\ogkdraw.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Drops file in Windows directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:3984
      • 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:3028
        • 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:5044
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4404
            • 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\860750803256_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4504
        • 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:2620
    • C:\ProgramData\amxlxk\wsop.exe
      C:\ProgramData\amxlxk\wsop.exe start2
      1⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:2120
    • 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:4868
    • C:\ProgramData\amxlxk\wsop.exe
      C:\ProgramData\amxlxk\wsop.exe start2
      1⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:3508
    • 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:3284

    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

      6cb4effacd5bfe6073329e79a782475e

      SHA1

      c4f9bed7166f301fbf1f364040a35b2899d8a400

      SHA256

      94e303883a33e0b079c2430fb49d83317475ef9b14dc31a863d29c3321e04e15

      SHA512

      6e3d900d7f54dd83c5b575cbf285cf7dc8ca8784ce58a8f2e68d9ff0b14f6752ba8c328d47159f111da86bcc6004eb3bd4c4e2255615be33a1168f4098d8f72d

    • C:\Users\Admin\AppData\Local\Temp\1000105001\jgyesfersg.exe

      Filesize

      1.7MB

      MD5

      4cd796d40813059763ce0e329f97aaa2

      SHA1

      e7c982c1d11145379c325c75272d37548a1fab07

      SHA256

      e213bfb7d5b88a2271f0967ff6ce96aeaa1d826fd12d980f35f3ff1119391ac8

      SHA512

      09f7e0f69ab629f0a2f408aca64d32c890ec9d7ff5bb856b19fd9dfe2f857f234ec17ca46d1d1f08a6e25b9f66c5076e94b94703f019933650ec9a71a328d69b

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat

      Filesize

      35B

      MD5

      ff59d999beb970447667695ce3273f75

      SHA1

      316fa09f467ba90ac34a054daf2e92e6e2854ff8

      SHA256

      065d2b17ad499587dc9de7ee9ecda4938b45da1df388bc72e6627dff220f64d2

      SHA512

      d5ac72cb065a3cd3cb118a69a2f356314eeed24dcb4880751e1a3683895e66cedc62607967e29f77a0c27adf1c9fe0efd86e804f693f0a63a5b51b0bf0056b5d

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe

      Filesize

      1.4MB

      MD5

      130a355e9839499e1767866e054f3085

      SHA1

      515f7b83cb9904ff56a6f78984d4b88b0143ea19

      SHA256

      8ff0e9a4b42d001e8040be325f58e48734643e45a11b667587c6d3a4e4fabb8f

      SHA512

      0f3f784464beae138c7ca69948854f95c6d2a36e565e5a177ba615012fa1cb98ba7190e60d32d3f396d8ea2461d6334696c5c59447bbf3438101e2f132e3b592

    • C:\Users\Admin\AppData\Local\Temp\RarSFX1\ogkdraw.exe

      Filesize

      1.1MB

      MD5

      d154a07332d28a9bafd5c195905cd5d1

      SHA1

      21def1f4997fa810d4634b88f71fc7a15cfe636b

      SHA256

      73be3166d9afd30d63a667a6f956be3670cd6e704605d94ee6db031d9b852f78

      SHA512

      9489d9e984c0da80c3051eb61fbd0a48a95fc5f18a5b0930b4963197aef0d99b425369812f56b9c60ad30ca4dcac9283c6cdcd4e85031975b8b536a1633f20bc

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jpo2hz2i.f2w.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/952-131-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-140-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-21-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-19-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-109-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-18-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-132-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-130-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-57-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-138-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-129-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-20-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-124-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-121-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-92-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-115-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-112-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-94-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-95-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-96-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/952-143-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/2120-108-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-123-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-111-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-93-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-114-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-117-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/2120-128-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3284-137-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/3284-136-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/3508-142-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3508-141-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3508-139-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3508-134-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-90-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-113-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-126-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-56-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-107-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-122-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-116-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/3984-110-0x0000000000400000-0x0000000000769000-memory.dmp

      Filesize

      3.4MB

    • memory/4504-80-0x0000015BF05E0000-0x0000015BF05EA000-memory.dmp

      Filesize

      40KB

    • memory/4504-79-0x0000015BF0600000-0x0000015BF0612000-memory.dmp

      Filesize

      72KB

    • memory/4504-69-0x0000015BF0450000-0x0000015BF0472000-memory.dmp

      Filesize

      136KB

    • memory/4868-120-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/4868-119-0x0000000000110000-0x00000000005D2000-memory.dmp

      Filesize

      4.8MB

    • memory/5032-5-0x0000000000250000-0x0000000000712000-memory.dmp

      Filesize

      4.8MB

    • memory/5032-3-0x0000000000250000-0x0000000000712000-memory.dmp

      Filesize

      4.8MB

    • memory/5032-2-0x0000000000251000-0x0000000000280000-memory.dmp

      Filesize

      188KB

    • memory/5032-0-0x0000000000250000-0x0000000000712000-memory.dmp

      Filesize

      4.8MB

    • memory/5032-17-0x0000000000250000-0x0000000000712000-memory.dmp

      Filesize

      4.8MB

    • memory/5032-1-0x00000000774E4000-0x00000000774E6000-memory.dmp

      Filesize

      8KB