Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230824-en
  • resource tags

    arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 00:50

General

  • Target

    7b70bd346a0c3fa08c34589c0cefd13548e8229d81b46cc8603f5fd988015c0c.exe

  • Size

    556KB

  • MD5

    dd76ef9e2d63eb6fbea5db358e21f55d

  • SHA1

    023bf61604ed3b47f9bfcf4a33dc24c3a5ad5ed9

  • SHA256

    7b70bd346a0c3fa08c34589c0cefd13548e8229d81b46cc8603f5fd988015c0c

  • SHA512

    bc5826bbcaf4d6bfb6b9a7d93d3a0907c0c9391c3716cd03fef0ff0b259dfbd8d36b044f13ce57f5731b77e11c249b55f7b8b97df4d10471f67778b12ac83d0a

  • SSDEEP

    12288:ij9qk+AmzwPBJeh0F09hrYR5nWFpPoSFDV42/:ij9j+AmkPBgh0FMhvb7DV7

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • UPX packed file 25 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b70bd346a0c3fa08c34589c0cefd13548e8229d81b46cc8603f5fd988015c0c.exe
    "C:\Users\Admin\AppData\Local\Temp\7b70bd346a0c3fa08c34589c0cefd13548e8229d81b46cc8603f5fd988015c0c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\CertEnrollCtrl.exe
      "C:\Windows\SysWOW64\CertEnrollCtrl.exe"
      2⤵
        PID:2840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2084-43-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-31-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-2-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-3-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-5-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-7-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-9-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-11-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-13-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-15-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-17-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-19-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-21-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-33-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-0-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-39-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-1-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-37-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-35-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-41-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-29-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-27-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-25-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-23-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-44-0x0000000000290000-0x0000000000298000-memory.dmp

      Filesize

      32KB

    • memory/2084-49-0x0000000010000000-0x000000001003F000-memory.dmp

      Filesize

      252KB

    • memory/2084-50-0x0000000000580000-0x000000000058D000-memory.dmp

      Filesize

      52KB

    • memory/2084-53-0x0000000000580000-0x000000000058D000-memory.dmp

      Filesize

      52KB

    • memory/2840-51-0x0000000000400000-0x00000000004A4000-memory.dmp

      Filesize

      656KB