Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-02-2024 14:32

General

  • Target

    0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664.exe

  • Size

    204KB

  • MD5

    2641282ea85801133ef0329d09f51318

  • SHA1

    cd8d4b185d4cff331bb8c2be6c1844a1bf61a67f

  • SHA256

    0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664

  • SHA512

    b926d7f071b30ca9dc6d0834d7798fc9d1a6e0edbf1fcf6d8a9725f71ceadc1871d8ac61c5e7e50832d0c1bde9bbbf9b8fe20bae8f5f754bc0861c82ef2497bf

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 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
  • 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\0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664.exe
    "C:\Users\Admin\AppData\Local\Temp\0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xjyooyae.exe "C:\Users\Admin\AppData\Local\Temp\0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2812
      • C:\Users\Admin\AppData\Local\Temp\xjyooyae.exe
        C:\Users\Admin\AppData\Local\Temp\\xjyooyae.exe "C:\Users\Admin\AppData\Local\Temp\0d7c95513cd4628b4cfe198dc2e62754aceb80a565d22fca0a9202a46e3e9664.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2368
        • \??\c:\Program Files\hdkvy\ory.exe
          "c:\Program Files\hdkvy\ory.exe" "c:\Program Files\hdkvy\orymn.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xjyooyae.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    204KB

    MD5

    0d4a83c45d44421b8dde40738d067319

    SHA1

    d7ff5bceb20e5407977bf39454dbbc51a1812d48

    SHA256

    7df5481281c0040a0dc852032abfc4daee30e95385d9ffda5026f00183ff2151

    SHA512

    5386e4a3b2100b22726ec3b8acc8318dd976140ca7767ca8b31ed41a8654fb5301eb88772aef450b6a97c26657a264db123de22717bc31f9f1a23e2f8da98f7a

  • \??\c:\Program Files\hdkvy\orymn.dll

    Filesize

    141KB

    MD5

    7ef7217b5124b1fd1759adee2f636f4d

    SHA1

    3a63c3a173a5c9bfd688a3cb347eba9220d64eb4

    SHA256

    4c0950d481eeb8e165b86ccb26e7cc496c4773e8af8eedbfa9b63497efce2b02

    SHA512

    772b03996afdaced378337ebe621d47783a4fde0c7fba583f7e1415e49b733580040c5c15211e2baed1d88e4e2033ec544951759147ae2c80b67fb32475d4152

  • \Program Files\hdkvy\ory.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • memory/2368-18-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2368-12-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2368-11-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2532-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2532-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2532-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2532-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2664-8-0x0000000000120000-0x000000000016A000-memory.dmp

    Filesize

    296KB

  • memory/2664-10-0x0000000000120000-0x000000000016A000-memory.dmp

    Filesize

    296KB

  • memory/2776-26-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2776-27-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2776-31-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2776-34-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB