Resubmissions

09/04/2024, 03:49

240409-edcl2adf6810

09/04/2024, 03:48

240409-ec33ladf5910

09/04/2024, 03:47

240409-ecqr9sdf4610

09/04/2024, 03:47

240409-eb8xfshb7t10

03/04/2024, 12:14

240403-peb21add4210

Analysis

  • max time kernel
    1799s
  • max time network
    1810s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/04/2024, 03:49

General

  • Target
    Ezxotfkmz.exe
  • Size 451KB
  • Sample240409-edcl2adf68
  • SHA256 89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bitrat

Version
  • 1.38

C2
  • 103.153.182.247:6161

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    Install path

  • install_file

    Install name

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Detect ZGRat V1 34 IoCs
  • XenArmor Suite

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

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • UPX packed file 5 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 10 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe
    "C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe
      "C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Users\Admin\AppData\Local\Install path\Install name
        -a "C:\Users\Admin\AppData\Local\ef307005\plg\Mdondtwu.json"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Users\Admin\AppData\Local\Install path\Install name
          -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
          4⤵
          • Executes dropped EXE
          PID:3360
      • C:\Users\Admin\AppData\Local\Install path\Install name
        -a "C:\Users\Admin\AppData\Local\ef307005\plg\gXsS7iP6.json"
        3⤵
        • Executes dropped EXE
        PID:1500
      • C:\Users\Admin\AppData\Local\Temp\jN13y2bt.exe
        -a "C:\Users\Admin\AppData\Local\ef307005\plg\gXsS7iP6.json"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Users\Admin\AppData\Local\Temp\jN13y2bt.exe
          -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Accesses Microsoft Outlook accounts
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Install name

        • Path C:\Users\Admin\AppData\Local\Install path\Install name
        • Size 451KB
        • SHA256 89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
        • MD5 SHA1 SHA512 SSDEEP

        License.XenArmor

        • Path C:\Users\Admin\AppData\Local\Temp\License.XenArmor
        • Size 104B
        • SHA256 212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174
        • MD5 SHA1 SHA512

        License.XenArmor

        • Path C:\Users\Admin\AppData\Local\Temp\License.XenArmor
        • Size 104B
        • SHA256 e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd
        • MD5 SHA1 SHA512

        Unknown.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Unknown.dll
        • Size 793KB
        • SHA256 568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
        • MD5 SHA1 SHA512 SSDEEP

        jN13y2bt.exe

        • Path C:\Users\Admin\AppData\Local\Temp\jN13y2bt.exe
        • Size 402B
        • SHA256 63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade
        • MD5 SHA1 SHA512

        unk.xml

        • Path C:\Users\Admin\AppData\Local\Temp\unk.xml
        • Size 1KB
        • SHA256 9cb90c1d5c31396519b1f6c73899c062b6ccbd9a8cfc7c0bb054fe88c7825867
        • MD5 SHA1 SHA512

        Mdondtwu.json

        • Path C:\Users\Admin\AppData\Local\ef307005\plg\Mdondtwu.json
        • Size 1B
        • SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
        • MD5 SHA1 SHA512

        memory/1240-5297-0x0000000000400000-0x00000000008DC000-memory.dmp

        memory/1240-5345-0x0000000000400000-0x00000000008DC000-memory.dmp

        memory/2684-5369-0x0000000000400000-0x00000000008DC000-memory.dmp

        memory/2684-5447-0x0000000000400000-0x00000000008DC000-memory.dmp

        memory/2684-5372-0x0000000000400000-0x00000000008DC000-memory.dmp

        memory/3116-5420-0x0000000000400000-0x00000000006FE000-memory.dmp

        memory/3116-5401-0x0000000000400000-0x00000000006FE000-memory.dmp

        memory/3116-5404-0x0000000000400000-0x00000000006FE000-memory.dmp

        memory/3116-5408-0x0000000010000000-0x0000000010227000-memory.dmp

        memory/3116-5421-0x0000000010000000-0x0000000010227000-memory.dmp

        memory/4640-4898-0x0000000000400000-0x00000000007CE000-memory.dmp

        memory/4640-4988-0x00000000734B0000-0x00000000734EA000-memory.dmp

        memory/4640-4987-0x00000000734E0000-0x000000007351A000-memory.dmp

        memory/4640-4920-0x0000000000400000-0x00000000007CE000-memory.dmp

        memory/4640-4908-0x00000000734B0000-0x00000000734EA000-memory.dmp

        memory/4640-4900-0x00000000734E0000-0x000000007351A000-memory.dmp

        memory/4928-29-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-39-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-45-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-47-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-49-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-51-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-53-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-55-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-57-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-59-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-61-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-63-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-65-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-67-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-1376-0x00000000730F0000-0x00000000737DE000-memory.dmp

        memory/4928-1551-0x0000000004C40000-0x0000000004C50000-memory.dmp

        memory/4928-4886-0x0000000000990000-0x0000000000991000-memory.dmp

        memory/4928-4887-0x0000000006CA0000-0x0000000006EC0000-memory.dmp

        memory/4928-4888-0x0000000000B90000-0x0000000000BDC000-memory.dmp

        memory/4928-4889-0x00000000073C0000-0x00000000078BE000-memory.dmp

        memory/4928-4890-0x0000000005940000-0x0000000005994000-memory.dmp

        memory/4928-4897-0x00000000730F0000-0x00000000737DE000-memory.dmp

        memory/4928-41-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-43-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-37-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-35-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-33-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-31-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-0-0x0000000000340000-0x00000000003B6000-memory.dmp

        memory/4928-27-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-25-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-23-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-21-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-19-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-17-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-15-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-13-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-11-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-9-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-7-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-5-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-4-0x0000000005540000-0x000000000591F000-memory.dmp

        memory/4928-3-0x0000000005540000-0x0000000005924000-memory.dmp

        memory/4928-2-0x0000000004C40000-0x0000000004C50000-memory.dmp

        memory/4928-1-0x00000000730F0000-0x00000000737DE000-memory.dmp