Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:30

General

  • Target

    c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe

  • Size

    158KB

  • MD5

    2942111edb70443e706bbbda28c915d5

  • SHA1

    b526a8f0da11f15625d63b38361eb4eb02fd56a2

  • SHA256

    c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7

  • SHA512

    b2e209c0825410dfff07d952c310b0052ff37ddf52c8f0082ff0f1de31ca9a92bcd3830dd34c12b48a0422808a4a9afbfaaf96e681afb6e31a3a02ab6f4ec91f

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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.

  • Drops file in Program Files directory 4 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe
    "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\njenhd.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2408
      • 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:2788
      • C:\Users\Admin\AppData\Local\Temp\njenhd.exe
        C:\Users\Admin\AppData\Local\Temp\\njenhd.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2656
        • \??\c:\Program Files\rernfs\qttqvp.exe
          "c:\Program Files\rernfs\qttqvp.exe" "c:\Program Files\rernfs\qttqvp.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\njenhd.exe
          4⤵
          • Executes dropped EXE
          • 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:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\njenhd.exe

    Filesize

    158KB

    MD5

    8f9891c9efa5ec0de7f15133a2f8cceb

    SHA1

    952ae9bddfad6fbd4f8c4cbf3035317cbc5e7bc0

    SHA256

    801dfc6dab67e1c8eeda0019123395591cd4937efba7d06638e6c59b052bd43c

    SHA512

    4038a5917f5e7f9fe3479d712cda04af94c01149bf73c1c02506190e9f0867b0dd41568151ac59065417b09d3abfe1ecfcf0e35956666c05df65c446adc73ffc

  • \??\c:\Program Files\rernfs\qttqvp.dll

    Filesize

    128KB

    MD5

    0ee5e551abf7c08779b1a013ce1abeb4

    SHA1

    9a3f682c89a32a8ae691346099fc95b3a0b340b1

    SHA256

    58e7f56eefc54e4d4af11d1df228127ad41fb11e2f6ef1487ea19b9f1cefa189

    SHA512

    f388001389ba38b77f3b6ebae2b3342d00879a4857aa6a99c605b9df98d7ddb60c3fe8daf7abb8a05be82001dd1212aa9235b0392ed9db388dfe481b930405a8

  • \Program Files\rernfs\qttqvp.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • memory/2408-5-0x00000000001A0000-0x00000000001D0000-memory.dmp

    Filesize

    192KB

  • memory/2656-14-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2712-25-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-24-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-22-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-26-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-31-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2712-32-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3056-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/3056-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB