Resubmissions

03-08-2024 17:19

240803-vv3sjszdkm 10

03-08-2024 09:36

240803-lk7jbazanq 10

Analysis

  • max time kernel
    84s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 09:36

General

  • Target

    7fb1de391d2e8956aab8a707ba7047b0N.exe

  • Size

    368KB

  • MD5

    7fb1de391d2e8956aab8a707ba7047b0

  • SHA1

    b4596d683f948181068395159cf245d7faf5617a

  • SHA256

    e31ace5602fa7c78e8a7c73efded326053a27ee8b94a868e3487c798803d8f3b

  • SHA512

    32b7e4773585434eabc057f3af32c08726bf347bac1a3375b87cff22e1b8498b90821f918047778a7e22add83293dcc08d3ccdb8c74ae0a75616f1cd39153305

  • SSDEEP

    6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4q0:emSuOcHmnYhrDMTrban4q0

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 1 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\7fb1de391d2e8956aab8a707ba7047b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7fb1de391d2e8956aab8a707ba7047b0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\cmd.exe
      /c sc stop WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2960
    • C:\Windows\SysWOW64\cmd.exe
      /c sc delete WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2852
    • C:\Windows\SysWOW64\cmd.exe
      /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2608
      • 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:2816
    • C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
      C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3044
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {7F120EC7-D9A8-42C7-9A4C-28D86DF4AA9A} S-1-5-18:NT AUTHORITY\System:Service:
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
        C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe
          3⤵
            PID:2912

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2703099537-420551529-3771253338-1000\0f5007522459c86e95ffcc62f32308f1_4b15cc6c-8bd6-4727-90f6-cf303c4bde6d

        Filesize

        1KB

        MD5

        bb2c3320fa9d428f2f7babc3bb88e3c5

        SHA1

        0ab278254bc73c7ba89799e24b2ae595badfa61d

        SHA256

        14bc3ef8f270f2efc33bd854e42030402b15672605d8e642f2bb2b5a6c51bc92

        SHA512

        cf90c958ef0d0caa978f6a651aa2c59122acf61299b81370734ddd9cbee055e016fa41a58004bd7fb7c1118aac98d0ef2e1358ebbfb878394be1a0b89d300d48

      • \Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe

        Filesize

        368KB

        MD5

        7fb1de391d2e8956aab8a707ba7047b0

        SHA1

        b4596d683f948181068395159cf245d7faf5617a

        SHA256

        e31ace5602fa7c78e8a7c73efded326053a27ee8b94a868e3487c798803d8f3b

        SHA512

        32b7e4773585434eabc057f3af32c08726bf347bac1a3375b87cff22e1b8498b90821f918047778a7e22add83293dcc08d3ccdb8c74ae0a75616f1cd39153305

      • memory/2116-1-0x0000000000120000-0x0000000000149000-memory.dmp

        Filesize

        164KB

      • memory/2116-6-0x0000000000120000-0x0000000000149000-memory.dmp

        Filesize

        164KB

      • memory/2808-10-0x0000000000130000-0x0000000000159000-memory.dmp

        Filesize

        164KB

      • memory/2808-20-0x0000000000130000-0x0000000000159000-memory.dmp

        Filesize

        164KB

      • memory/2808-11-0x0000000010000000-0x0000000010007000-memory.dmp

        Filesize

        28KB

      • memory/3044-16-0x0000000010000000-0x000000001001F000-memory.dmp

        Filesize

        124KB

      • memory/3044-15-0x0000000010000000-0x000000001001F000-memory.dmp

        Filesize

        124KB