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
    09/11/2024, 21:58

General

  • Target

    b673172d8ace2327ebab9999782e5e764b1a96d63efbd3bbd990d69654727ad7N.exe

  • Size

    45KB

  • MD5

    72e971e5e10af3407d1a376107aad690

  • SHA1

    1410199f541cb2790d2f06f053100d1138020cf8

  • SHA256

    b673172d8ace2327ebab9999782e5e764b1a96d63efbd3bbd990d69654727ad7

  • SHA512

    079f0ecbe20a2b3be557d4237fe35f032804ce251e6f6aeaed131d87530e2c7e43f04d99faf8b1329e785f152702fa7329302ec9b1c1263606dde2ee9b6d0cf2

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/c:e6q10k0EFjed6rqJ+6vghzwYu7vih9GP

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b673172d8ace2327ebab9999782e5e764b1a96d63efbd3bbd990d69654727ad7N.exe
    "C:\Users\Admin\AppData\Local\Temp\b673172d8ace2327ebab9999782e5e764b1a96d63efbd3bbd990d69654727ad7N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    45KB

    MD5

    18cd75ec7055e795d9e2670aca02fc3f

    SHA1

    d935ffcd200828c533639af3b5788c7c8ba11c50

    SHA256

    e39ed6608ca9493208189b81e44f8a2caf323e96d0cba08881032b02185ac6ab

    SHA512

    6530e0f8a7535ffc28617735d94eb2a2ad57ad54e57961e567de1a566ede6003ad0a7937ee6fb2e1f53509709a3544a2e0c455cadb58854968d28405503c9e40

  • memory/2268-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2268-7-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2692-9-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2692-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB