Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2022 06:45

General

  • Target

    e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe

  • Size

    192KB

  • MD5

    54e5e90fbafdf6f051f2c89da50a4b95

  • SHA1

    f1e4459301f216cd4ff0bd27deb9d5a910ef9f5b

  • SHA256

    e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a

  • SHA512

    a22ccbff0ff8da17a8a3a04f38f644b041b47e1c995b8b40b9a7ec4577c850439d244b966834f86d7ce6dd4ec3369ac11d9950429a3336b9b9c53095ea9b0b4b

  • SSDEEP

    1536:bB+R6Ywvj1k3w45lEdhKzoUSFeuiS2FIlKbz0PEziNQKjoa:tAwvj1Mw4shKzoUSFeuiS2FIIcwKoa

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

gh9st.mywire.org:5005

Attributes
  • communication_password

    803355ca422bf9b37bc523a750e21842

  • install_dir

    svcsvc

  • install_file

    svcsvc.exe

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: RenamesItself 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
    "C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4108
    • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
      C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
      2⤵
        PID:1780
      • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
        C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
        2⤵
          PID:1544
        • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
          C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3204
          • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
            "C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3468
            • C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe
              "C:\Users\Admin\AppData\Local\Temp\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe"
              4⤵
              • Adds Run key to start application
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious behavior: RenamesItself
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:4176
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 1180
              4⤵
              • Program crash
              PID:4584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
        1⤵
          PID:2020

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a.exe.log
          Filesize

          1KB

          MD5

          e87e48b105757e1c7563d1c719059733

          SHA1

          28a3f2b2e0672da2b531f4757d2b20b53032dafc

          SHA256

          0aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461

          SHA512

          bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968

        • memory/1544-143-0x0000000000000000-mapping.dmp
        • memory/1780-142-0x0000000000000000-mapping.dmp
        • memory/3204-147-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/3204-145-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/3204-144-0x0000000000000000-mapping.dmp
        • memory/3204-146-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/3204-151-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/3204-148-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/3468-153-0x0000000005C30000-0x00000000061D4000-memory.dmp
          Filesize

          5.6MB

        • memory/3468-149-0x0000000000000000-mapping.dmp
        • memory/3468-150-0x0000000000400000-0x00000000005F6000-memory.dmp
          Filesize

          2.0MB

        • memory/3468-154-0x0000000005760000-0x00000000057F2000-memory.dmp
          Filesize

          584KB

        • memory/3468-155-0x0000000005810000-0x000000000581A000-memory.dmp
          Filesize

          40KB

        • memory/4108-140-0x0000000007380000-0x00000000079FA000-memory.dmp
          Filesize

          6.5MB

        • memory/4108-134-0x0000000000000000-mapping.dmp
        • memory/4108-141-0x0000000006240000-0x000000000625A000-memory.dmp
          Filesize

          104KB

        • memory/4108-139-0x0000000005D40000-0x0000000005D5E000-memory.dmp
          Filesize

          120KB

        • memory/4108-138-0x00000000056F0000-0x0000000005756000-memory.dmp
          Filesize

          408KB

        • memory/4108-137-0x00000000055D0000-0x0000000005636000-memory.dmp
          Filesize

          408KB

        • memory/4108-136-0x0000000004FA0000-0x00000000055C8000-memory.dmp
          Filesize

          6.2MB

        • memory/4108-135-0x0000000002770000-0x00000000027A6000-memory.dmp
          Filesize

          216KB

        • memory/4176-159-0x0000000000400000-0x00000000007CE000-memory.dmp
          Filesize

          3.8MB

        • memory/4176-156-0x0000000000000000-mapping.dmp
        • memory/4176-157-0x0000000000400000-0x00000000007CE000-memory.dmp
          Filesize

          3.8MB

        • memory/4176-158-0x0000000000400000-0x00000000007CE000-memory.dmp
          Filesize

          3.8MB

        • memory/4176-160-0x0000000000400000-0x00000000007CE000-memory.dmp
          Filesize

          3.8MB

        • memory/4176-161-0x0000000070530000-0x0000000070569000-memory.dmp
          Filesize

          228KB

        • memory/4176-162-0x0000000070480000-0x00000000704B9000-memory.dmp
          Filesize

          228KB

        • memory/4176-163-0x0000000000400000-0x00000000007CE000-memory.dmp
          Filesize

          3.8MB

        • memory/4844-133-0x00000000071D0000-0x00000000071F2000-memory.dmp
          Filesize

          136KB

        • memory/4844-132-0x0000000000BD0000-0x0000000000C06000-memory.dmp
          Filesize

          216KB