General

  • Target

    7fe6d0dfa4f39474e9754a14ef0a4fd4d544f1e1a60f15bc714784f5760d7547.msi.vir

  • Size

    53.6MB

  • Sample

    241109-vvhglsyerp

  • MD5

    792b288aa65b05f23e00735ed66bc2e8

  • SHA1

    bfbafc501be1eabaad2d9beec8ea864a578d01f1

  • SHA256

    7fe6d0dfa4f39474e9754a14ef0a4fd4d544f1e1a60f15bc714784f5760d7547

  • SHA512

    ce384762e0e697fd83c65e795f063884df3826321484b137b170b24dbdc3f516b83e1866411139d57c5a81bb9d0b5a5b9e0287de40b78f7241fb76b32343de62

  • SSDEEP

    786432:AOH8a4sn86VMwiVro0Us+cBlGOut2T7xaVV9vJkktbVxBYtJsLiiJA3PZgsp0rA8:J4NEiVcCRBlZyCohGxALD0Pr0Z

Malware Config

Targets

    • Target

      7fe6d0dfa4f39474e9754a14ef0a4fd4d544f1e1a60f15bc714784f5760d7547.msi.vir

    • Size

      53.6MB

    • MD5

      792b288aa65b05f23e00735ed66bc2e8

    • SHA1

      bfbafc501be1eabaad2d9beec8ea864a578d01f1

    • SHA256

      7fe6d0dfa4f39474e9754a14ef0a4fd4d544f1e1a60f15bc714784f5760d7547

    • SHA512

      ce384762e0e697fd83c65e795f063884df3826321484b137b170b24dbdc3f516b83e1866411139d57c5a81bb9d0b5a5b9e0287de40b78f7241fb76b32343de62

    • SSDEEP

      786432:AOH8a4sn86VMwiVro0Us+cBlGOut2T7xaVV9vJkktbVxBYtJsLiiJA3PZgsp0rA8:J4NEiVcCRBlZyCohGxALD0Pr0Z

    • Blackmoon family

    • Blackmoon, KrBanker

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

    • Detect Blackmoon payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Drops startup file

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies Windows Firewall

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks