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Analysis

  • max time kernel
    291s
  • max time network
    305s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    29/05/2020, 01:01

General

  • Target

    300_A_b_9782.exe

  • Size

    226KB

  • MD5

    b67996835aa819597f45bfeb11d51232

  • SHA1

    00d6f5b63f14a365b6d48ad7df62218cb76957af

  • SHA256

    47b00dc1764ac30a8d5ee9f5ccb41be212c6305f373d3cb26d8717f02ed973a0

  • SHA512

    a8b7edaf06bdf25ca668490d6829a261b34a2256c6e6f267532444577d6b63cd58aa54fdb1871c4f112f466dbcc5dbafabad5253794e80764b151807bb5d763e

Malware Config

Signatures

  • Ursnif RM3

    A heavily modified version of Ursnif discovered in the wild.

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious use of SetWindowsHookEx 52 IoCs
  • Suspicious use of FindShellTrayWindow 13 IoCs
  • Checks whether UAC is enabled 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Modifies system certificate store 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\300_A_b_9782.exe
    "C:\Users\Admin\AppData\Local\Temp\300_A_b_9782.exe"
    1⤵
      PID:1520
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      PID:1792
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1792 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        PID:1884
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1792 CREDAT:406534 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        PID:1580

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1520-0-0x0000000000280000-0x0000000000290000-memory.dmp

      Filesize

      64KB

    • memory/1580-5-0x0000000005850000-0x0000000005853000-memory.dmp

      Filesize

      12KB

    • memory/1884-6-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

      Filesize

      4KB

    • memory/1884-9-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

      Filesize

      4KB

    • memory/1884-11-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

      Filesize

      4KB

    • memory/1884-7-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

      Filesize

      4KB

    • memory/1884-29-0x0000000002950000-0x0000000002952000-memory.dmp

      Filesize

      8KB

    • memory/1884-32-0x0000000002950000-0x0000000002952000-memory.dmp

      Filesize

      8KB

    • memory/1884-34-0x0000000002950000-0x0000000002952000-memory.dmp

      Filesize

      8KB