Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2023 13:27

General

  • Target

    e84d0da2ea2ff2exe_JC.exe

  • Size

    4.6MB

  • MD5

    e84d0da2ea2ff2874c919e74ec32b8e2

  • SHA1

    7771c99bd2281f1bc09c6e697beaf01e9766466f

  • SHA256

    e86679a67ed0d317482c971fc027d3b2dbfce6f63a466fc9fb743fccdebad338

  • SHA512

    9df0dc8129e82f564fb6366d362c9a83dcf61eee4f2b3a08b8e9b6374bafc2580747724646311d3380d838b6876c21853460bb08ea597738e1d5574cf2d1c800

  • SSDEEP

    49152:LxDcNG+IkQmMASeMVY7nodtegbcrfxF/CvXqz53wJWqj2N3AJJ//A:tDcNrIk9MA5GMnitegbc3/CkEGN

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e84d0da2ea2ff2exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\e84d0da2ea2ff2exe_JC.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 448
      2⤵
      • Program crash
      PID:2196

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2468-54-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2468-59-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2468-66-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2468-67-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2468-68-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2468-69-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB