Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2022 11:22

General

  • Target

    1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe

  • Size

    4.3MB

  • MD5

    0f436d1b40cc8da71989b597951ae61c

  • SHA1

    eb697a163bf73ee475c93e916bfaf90de40dd422

  • SHA256

    1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa

  • SHA512

    489c4b07fbf28921d22adfe6429e56fb70b8503ad9cde21991923bc54ee5ec78675c94185773bbabc166221b731f1e9335f59ce92113769e9d0f4becc800516e

  • SSDEEP

    98304:tmlSoZ5WrocGLpYHgyRWSJfSD8xipKbgo9PIs4qSoNMLmUzv:IlR5jcG+AyRWSJNceeLlT

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

163.123.143.143:3569

Attributes
  • communication_password

    ce952068942604a6d6df06ed5002fad6

  • tor_process

    tor

Signatures

  • BitRAT

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

  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe
    "C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe
      "C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe
        -a "C:\Users\Admin\AppData\Local\5bdee7b8\plg\wexnkwHg.json"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2268
        • C:\Users\Admin\AppData\Local\Temp\1bbf7521bd43cc4fd418b052fe950ab71b66e7dbef9b0d4816939a5019aecaaa.exe
          -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
          4⤵
          • Loads dropped DLL
          • Accesses Microsoft Outlook accounts
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\5bdee7b8\plg\wexnkwHg.json
    Filesize

    1KB

    MD5

    ce3e2f5f04eff81b3b7130a90a8e3a6e

    SHA1

    fe9ac39d1db0a28aeef54741003d3f639125dc1c

    SHA256

    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

    SHA512

    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
    Filesize

    104B

    MD5

    4f3bde9212e17ef18226866d6ac739b6

    SHA1

    732733bec8314beb81437e60876ffa75e72ae6cd

    SHA256

    212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

    SHA512

    10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
    Filesize

    104B

    MD5

    bf5da170f7c9a8eae88d1cb1a191ff80

    SHA1

    dd1b991a1b03587a5d1edc94e919a2070e325610

    SHA256

    e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

    SHA512

    9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • C:\Users\Admin\AppData\Local\Temp\unk.xml
    Filesize

    1KB

    MD5

    ce3e2f5f04eff81b3b7130a90a8e3a6e

    SHA1

    fe9ac39d1db0a28aeef54741003d3f639125dc1c

    SHA256

    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

    SHA512

    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

  • memory/2268-163-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/2268-148-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/2268-142-0x0000000000000000-mapping.dmp
  • memory/2268-143-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/2268-145-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/2268-146-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/2268-147-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4784-139-0x0000000075000000-0x0000000075039000-memory.dmp
    Filesize

    228KB

  • memory/4784-134-0x0000000000000000-mapping.dmp
  • memory/4784-165-0x0000000075380000-0x00000000753B9000-memory.dmp
    Filesize

    228KB

  • memory/4784-141-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

  • memory/4784-140-0x0000000075380000-0x00000000753B9000-memory.dmp
    Filesize

    228KB

  • memory/4784-138-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

  • memory/4784-137-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

  • memory/4784-136-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

  • memory/4784-135-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

  • memory/4788-149-0x0000000000000000-mapping.dmp
  • memory/4788-158-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-159-0x0000000010000000-0x0000000010227000-memory.dmp
    Filesize

    2.2MB

  • memory/4788-160-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-157-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-153-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-152-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-151-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4788-150-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB