Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 22:33

General

  • Target

    550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe

  • Size

    368KB

  • MD5

    31f48d579e81fd0a9367431ba92794e0

  • SHA1

    4ae71094a830b4329a5ebb7a861f3ebeb8ac9def

  • SHA256

    550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96c

  • SHA512

    266468a1bc059c06a7053132e9f35af93bca2a9c35cadc92cf21df51dca6c895b3f1298edafb31140ba7a42160281d96ea32185ba398fc9599388849083c227a

  • SSDEEP

    6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4q3:emSuOcHmnYhrDMTrban4q3

Malware Config

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Trickbot x86 loader 4 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 2 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
    "C:\Users\Admin\AppData\Local\Temp\550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\cmd.exe
      /c sc stop WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:980
    • C:\Windows\SysWOW64\cmd.exe
      /c sc delete WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\SysWOW64\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2732
    • C:\Windows\SysWOW64\cmd.exe
      /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2660
    • C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
      C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        /c sc stop WinDefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\SysWOW64\sc.exe
          sc stop WinDefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        /c sc delete WinDefend
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2560
        • C:\Windows\SysWOW64\sc.exe
          sc delete WinDefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:324
      • C:\Windows\SysWOW64\cmd.exe
        /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2868
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2708
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2536
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {18FD357F-F648-4A3E-9C25-6CF2E75FEA91} S-1-5-18:NT AUTHORITY\System:Service:
      1⤵
        PID:2212
        • C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
          C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1968
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe
            3⤵
              PID:2928

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3290804112-2823094203-3137964600-1000\0f5007522459c86e95ffcc62f32308f1_94ea1d76-6d7e-4d9e-abc7-ef9a6a2a9269

          Filesize

          1KB

          MD5

          6b5aa6eb51514a27701bffd8f1de003a

          SHA1

          978b9d1feee4e1271afd0b4de2008d9a671e54d7

          SHA256

          df380d4ca5cb857a099dbacf95a108715a5740cb30d4d55fc36aedf05838992e

          SHA512

          1550973fb63f1c00992873b5a2f384f3440e0767cb1a74230587c05d4884ed5792833137c1d6d15cd5fa082bf811a7575fc5ff1a54f270b825b7b5f7b4de817e

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

          Filesize

          7KB

          MD5

          a040dad3540f69799671911b64746f59

          SHA1

          4be87b571bf36664baf011ddc24157a9627e4c46

          SHA256

          aebda4019864b00ba80ec922aa5f82c14951278ce58c4d7c16b2481023a3762e

          SHA512

          3e96edc1b7f14d94f4ed174d8c2f2657046a6c2fce9443f99921e43fd4ac94b818bad0d853b958d8a19916765e98e48c987abd904b78951144977e94df50439b

        • \Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

          Filesize

          368KB

          MD5

          31f48d579e81fd0a9367431ba92794e0

          SHA1

          4ae71094a830b4329a5ebb7a861f3ebeb8ac9def

          SHA256

          550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96c

          SHA512

          266468a1bc059c06a7053132e9f35af93bca2a9c35cadc92cf21df51dca6c895b3f1298edafb31140ba7a42160281d96ea32185ba398fc9599388849083c227a

        • memory/1596-1-0x0000000000250000-0x0000000000279000-memory.dmp

          Filesize

          164KB

        • memory/1596-7-0x0000000000250000-0x0000000000279000-memory.dmp

          Filesize

          164KB

        • memory/2536-22-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/2536-17-0x0000000010000000-0x000000001001F000-memory.dmp

          Filesize

          124KB

        • memory/2536-16-0x0000000010000000-0x000000001001F000-memory.dmp

          Filesize

          124KB

        • memory/2776-10-0x00000000000F0000-0x0000000000119000-memory.dmp

          Filesize

          164KB

        • memory/2776-12-0x0000000010000000-0x0000000010007000-memory.dmp

          Filesize

          28KB

        • memory/2776-21-0x00000000000F0000-0x0000000000119000-memory.dmp

          Filesize

          164KB

        • memory/2776-11-0x0000000010000000-0x0000000010007000-memory.dmp

          Filesize

          28KB