Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 19:20

General

  • Target

    384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7.exe

  • Size

    155KB

  • MD5

    3232708db6260a3593e30d783fd325ea

  • SHA1

    6d046a780124b33c88cf505cf2b771efd1197164

  • SHA256

    384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7

  • SHA512

    dac1fdffbb24478dfe72d68744fcfb592c3dfaae204247801646366fd2ffaef2e1cafe7a1ca2a052bbd3261806afcb337544120ccc753d6458e37d32bc713844

  • 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 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\384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7.exe
    "C:\Users\Admin\AppData\Local\Temp\384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xnafd.exe "C:\Users\Admin\AppData\Local\Temp\384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2272
      • C:\Users\Admin\AppData\Local\Temp\xnafd.exe
        C:\Users\Admin\AppData\Local\Temp\\xnafd.exe "C:\Users\Admin\AppData\Local\Temp\384d07bdff2eb0c64b29c4c0b4444aaddc1a7e22a97f89e9219655035dd7e5b7.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:1920
        • \??\c:\Program Files\eklvz\vej.exe
          "c:\Program Files\eklvz\vej.exe" "c:\Program Files\eklvz\vejgd.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\xnafd.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:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\eklvz\vejgd.dll

    Filesize

    128KB

    MD5

    57674249a2fa2f033cb6b5bcc6eac23a

    SHA1

    f8810df9e508ed4382739802079ab55e7cc09793

    SHA256

    d9927ab00fc57a6a372f6a05b8d87761127a899bc307adde60a23406e91aadfc

    SHA512

    f3109795962773af267e01c77ac2cb2faee4f610d91c8d348a17e721d0a4d04bd508a5a1941bd1789890549f09e3862099886e3808ee6a8b9b432f16b6b8a1a3

  • \Program Files\eklvz\vej.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    155KB

    MD5

    151f03e390e4884d33cd71eb10f45173

    SHA1

    d7da681af85f1a1a111aacd90a84517350b99011

    SHA256

    66959e075fef573b02f73df82a3e50982f047192c2b444763ee191bc041eee6f

    SHA512

    2de349f7749d9fb5d6e5f3c8c43ae9ee2b2e0c2adfb8e895534d160f800fb7e2d449df43d635d053c7cf74c865a515c227a99e3913bd82f5b9dc0077ec16f353

  • memory/1920-15-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2148-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2148-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2400-8-0x0000000000160000-0x0000000000190000-memory.dmp

    Filesize

    192KB

  • memory/2400-7-0x0000000000160000-0x0000000000190000-memory.dmp

    Filesize

    192KB

  • memory/2736-23-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2736-24-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2736-28-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2736-29-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB