Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 03:50

General

  • Target

    449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31cN.exe

  • Size

    237KB

  • MD5

    c6b6e452dd0950de190230b989af9860

  • SHA1

    a96d8e284a77f80b5ed72a56cba4ee85129cfcd1

  • SHA256

    449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31c

  • SHA512

    cd8bf4779dab5761e5b02a359e2a702b96ac38ad86f975486e0e68a3f51d87ce826adccdec8fe8189c4f92780928323c0e8e65adb981684aff6f2c70f64212a8

  • SSDEEP

    6144:H8AbwMmJOyOK5ZV7NHPR519jtr5a8MueZG7H:PwVJOp8FNprdrMul7

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 5 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31cN.exe
    "C:\Users\Admin\AppData\Local\Temp\449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31cN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vnzit.exe "C:\Users\Admin\AppData\Local\Temp\449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31cN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2724
      • C:\Users\Admin\AppData\Local\Temp\vnzit.exe
        C:\Users\Admin\AppData\Local\Temp\\vnzit.exe "C:\Users\Admin\AppData\Local\Temp\449b0c646a44a423e6b10c561b2ae5135f1f69951f81882108bb38fe6050b31cN.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2856
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\xijhd\rjsqt.jqr",RAFlush C:\Users\Admin\AppData\Local\Temp\vnzit.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\xijhd\rjsqt.jqr

    Filesize

    81KB

    MD5

    fe3b1b222244f783fe9927ff16813c45

    SHA1

    69c88427b6fe1b75b4f5dc51d7dcce1bc438de9b

    SHA256

    2973a0957bd204e123307415bade58f84cdf272c659048a99bf42dfdb563415a

    SHA512

    ad16236d7b0bca4f021d031c8c75c5a339218f6e27dd8be62dfc3719cf945ba832ec6c4c04483622431ed545125415ca03a636a22b2d4f13cc9545fffbe7bd64

  • \Users\Admin\AppData\Local\Temp\vnzit.exe

    Filesize

    237KB

    MD5

    0670dc86d45e6491cf193196d75e3e92

    SHA1

    93b3ab71a0a0a7bdd040733c2e731c17af9d840b

    SHA256

    8a2de34b9e8dca83910262d057becb7dad93c0a458292b033fcc993ba65a36d2

    SHA512

    094750b77ebae7f4d3bb2e91aa469b108eef6ce4f514dc4308ad880826e0b4a3d48543af44cbf6ff928932b5830b64078d1bf9d0dd6ecae2342119d19cfb9748

  • memory/2656-11-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/2656-12-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/2656-15-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/2656-16-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/2828-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2828-2-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2856-8-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB