Analysis

  • max time kernel
    147s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 01:33

General

  • Target
    9817f4d8bc1374f102196cfcb8a351abdc0563dea60f6084a7525e5ee5409b6d.exe
  • Size 1.0MB
  • Sample241013-bysbfawhkq
  • SHA256 9817f4d8bc1374f102196cfcb8a351abdc0563dea60f6084a7525e5ee5409b6d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.42

Botnet
  • 550eb4

C2
  • http://45.202.35.101

Attributes
  • install_dir

    9d94d7e7d6

  • install_file

    Hkbsse.exe

  • strings_key

    ff6ff15737aa82945cf5241d1644ddb4

  • url_paths

    /pLQvfD4d/index.php

rc4.plain

Signatures

  • Amadey

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

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Detects CryptBot payload 1 IoCs

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3504
      • C:\Users\Admin\AppData\Local\Temp\9817f4d8bc1374f102196cfcb8a351abdc0563dea60f6084a7525e5ee5409b6d.exe
        "C:\Users\Admin\AppData\Local\Temp\9817f4d8bc1374f102196cfcb8a351abdc0563dea60f6084a7525e5ee5409b6d.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3904
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c move Centres Centres.bat & Centres.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:5020
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa opssvc"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1696
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:4284
          • C:\Windows\SysWOW64\findstr.exe
            findstr -I "avastui avgui bdservicehost nswscsvc sophoshealth"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4196
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c md 103495
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1932
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V "aroundaccommodategroupseverything" Fine
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1952
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c copy /b ..\Correct + ..\Transparent + ..\Barbie + ..\Gloves + ..\Latin + ..\Story + ..\Ski + ..\Appraisal n
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3164
          • C:\Users\Admin\AppData\Local\Temp\103495\Powder.pif
            Powder.pif n
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Checks computer location settings
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:1100
            • C:\Users\Admin\AppData\Local\Temp\1000132001\33.exe
              "C:\Users\Admin\AppData\Local\Temp\1000132001\33.exe"
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:3520
              • C:\Users\Admin\AppData\Local\Temp\service123.exe
                "C:\Users\Admin\AppData\Local\Temp\service123.exe"
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:3588
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
                6⤵
                • System Location Discovery: System Language Discovery
                • Scheduled Task/Job: Scheduled Task
                PID:4488
          • C:\Windows\SysWOW64\choice.exe
            choice /d y /t 5
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2836
      • C:\Windows\SysWOW64\cmd.exe
        cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GuardianCryptoElite.url" & echo URL="C:\Users\Admin\AppData\Local\GuardianCrypto Systems Inc\GuardianCryptoElite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GuardianCryptoElite.url" & exit
        2⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        PID:1596
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2204
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1540

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          33.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1000132001\33.exe
          • Size 7.5MB
          • SHA256 70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be
          • MD5 SHA1 SHA512 SSDEEP

          Powder.pif

          • Path C:\Users\Admin\AppData\Local\Temp\103495\Powder.pif
          • Size 872KB
          • SHA256 d8b7c7178fbadbf169294e4f29dce582f89a5cf372e9da9215aa082330dc12fd
          • MD5 SHA1 SHA512 SSDEEP

          n

          • Path C:\Users\Admin\AppData\Local\Temp\103495\n
          • Size 575KB
          • SHA256 3133dfe772afbe5ffd178038bee3ff413665ec29a5565881d63bbb5370c58af2
          • MD5 SHA1 SHA512 SSDEEP

          Appraisal

          • Path C:\Users\Admin\AppData\Local\Temp\Appraisal
          • Size 3KB
          • SHA256 344b4c601fd07df63377194621d87533a3afa29ff6f56190c4f64b5d9fab5b08
          • MD5 SHA1 SHA512

          Barbie

          • Path C:\Users\Admin\AppData\Local\Temp\Barbie
          • Size 67KB
          • SHA256 29a6f67de3f128b72f48cd17714c88ec0ef28771a242a4c6924087807d0f1182
          • MD5 SHA1 SHA512 SSDEEP

          Centres

          • Path C:\Users\Admin\AppData\Local\Temp\Centres
          • Size 23KB
          • SHA256 67d35db2809da95d2dc7e4ce76800103cbc042e2f02d1cc1934a6c06e5e6737c
          • MD5 SHA1 SHA512 SSDEEP

          Correct

          • Path C:\Users\Admin\AppData\Local\Temp\Correct
          • Size 81KB
          • SHA256 8704cb6ebe7eef39f91ca6838c2d06eb9b21ed6e6dfddc5f5707b8cb4a9f64f1
          • MD5 SHA1 SHA512 SSDEEP

          Fine

          • Path C:\Users\Admin\AppData\Local\Temp\Fine
          • Size 7KB
          • SHA256 75cb47c2bb9bededd276c0008683b7e655a9e943626d2755bfa7d7e167f2b31b
          • MD5 SHA1 SHA512 SSDEEP

          Gloves

          • Path C:\Users\Admin\AppData\Local\Temp\Gloves
          • Size 96KB
          • SHA256 a47c770a23612063f299f22871e18642b3d4668fb58765cdc279c4c0c3a23321
          • MD5 SHA1 SHA512 SSDEEP

          Latin

          • Path C:\Users\Admin\AppData\Local\Temp\Latin
          • Size 89KB
          • SHA256 f83c95dd15e4eb1b7f68946ecb8f1a689cc16cebe02ae68ebc4e08e7ab467296
          • MD5 SHA1 SHA512 SSDEEP

          Serious

          • Path C:\Users\Admin\AppData\Local\Temp\Serious
          • Size 865KB
          • SHA256 c2e3adf32419b4163876794fce4ed1f2c5d631a13aaaa955f3d3e30f1eb66a13
          • MD5 SHA1 SHA512 SSDEEP

          Ski

          • Path C:\Users\Admin\AppData\Local\Temp\Ski
          • Size 91KB
          • SHA256 f7ad68ce94df8b242fc3f6e9bd7814a16011214952805ed5e8e6adef74a27f48
          • MD5 SHA1 SHA512 SSDEEP

          Story

          • Path C:\Users\Admin\AppData\Local\Temp\Story
          • Size 72KB
          • SHA256 c1551d0d3d6c658c1b55558c4fdb2b1be9233715b63485997c935c434bd570e7
          • MD5 SHA1 SHA512 SSDEEP

          Transparent

          • Path C:\Users\Admin\AppData\Local\Temp\Transparent
          • Size 76KB
          • SHA256 d9aea2aad680efcd111b992b6124e72f6ba2feb178867d1c5f5167a21423bd4e
          • MD5 SHA1 SHA512 SSDEEP

          memory/1100-42-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-56-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-44-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-45-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-46-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-47-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-41-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-43-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1100-62-0x0000000006020000-0x000000000608F000-memory.dmp

          memory/1540-108-0x0000000000C40000-0x0000000000C52000-memory.dmp

          memory/2204-93-0x0000000000C40000-0x0000000000C52000-memory.dmp

          memory/3520-65-0x0000000069CC0000-0x000000006A377000-memory.dmp

          memory/3520-74-0x0000000000220000-0x00000000009A5000-memory.dmp

          memory/3520-87-0x0000000000220000-0x00000000009A5000-memory.dmp

          memory/3588-89-0x0000000000C40000-0x0000000000C52000-memory.dmp

          memory/3588-90-0x0000000072EC0000-0x0000000072FF4000-memory.dmp