Analysis

  • max time kernel
    31s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-06-2023 19:59

General

  • Target

    a99fdfcac882552f54c15b85e26aacf90443e0a437f39f71c3c020b42ae03e45.dll

  • Size

    1.7MB

  • MD5

    6615a9ca524285e7f48f5f5e9db49a70

  • SHA1

    4960ad73fc72985f8889b65174ee73e5ac803a27

  • SHA256

    a99fdfcac882552f54c15b85e26aacf90443e0a437f39f71c3c020b42ae03e45

  • SHA512

    2c418e853d00479b151ecd21264369d86c1f2e1cfcaa12a6f205c0b484978148202d20e1857d3fd215cb2eeaedd0cd129bf2910c99149f6de6941caeea28c2b9

  • SSDEEP

    49152:uG7cnE+5/dLENM3Wgt22Em3UuCi9TIxZI:uG7cEU/RxGgtlEmk29Ig

Score
10/10

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a99fdfcac882552f54c15b85e26aacf90443e0a437f39f71c3c020b42ae03e45.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a99fdfcac882552f54c15b85e26aacf90443e0a437f39f71c3c020b42ae03e45.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetWindowsHookEx
      PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1740-54-0x0000000010000000-0x000000001051F000-memory.dmp

    Filesize

    5.1MB

  • memory/1740-55-0x00000000000C0000-0x00000000000C3000-memory.dmp

    Filesize

    12KB