Analysis

  • max time kernel
    170s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2024 18:44

General

  • Target

    ef90a49f2f21dff28fe33ad85600d13b.exe

  • Size

    4.5MB

  • MD5

    ef90a49f2f21dff28fe33ad85600d13b

  • SHA1

    000c835e0f1f5d16a104a230ad6220d982876bfe

  • SHA256

    b3010787750cb14924c05a52aa33f8b3b38e0d716b5b9381e221f684e2ae4235

  • SHA512

    396777f08d2204ecc2647d2e98318234d22c05e221ca4ce26c1078232ebc21198e3b9bccaa6e1544f4b4b0b314b3e846df816559b6149d8cbac7fa19ebdb95f6

  • SSDEEP

    49152:+lozaRGEgKs/5SP4cKgBhD1cK72HDPNUeFwbDQeq8Yy3FLpNGuoenW0Knl:WAaRGEfs/jxw77mPNU+SDQW9ceW0Kl

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef90a49f2f21dff28fe33ad85600d13b.exe
    "C:\Users\Admin\AppData\Local\Temp\ef90a49f2f21dff28fe33ad85600d13b.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 1932
      2⤵
      • Program crash
      PID:3332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 1928
      2⤵
      • Program crash
      PID:464
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4720 -ip 4720
    1⤵
      PID:4712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4720 -ip 4720
      1⤵
        PID:1316

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4720-0-0x0000000000400000-0x000000000088A000-memory.dmp

        Filesize

        4.5MB

      • memory/4720-1-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-3-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-4-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-7-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-5-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-6-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-10-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-12-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-14-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-16-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-18-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-21-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-24-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-26-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-28-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-30-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-32-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-35-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-37-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-39-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-41-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-43-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-46-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-48-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-53-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-51-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-54-0x0000000010000000-0x000000001003D000-memory.dmp

        Filesize

        244KB

      • memory/4720-66-0x0000000000400000-0x000000000088A000-memory.dmp

        Filesize

        4.5MB