Analysis

  • max time kernel
    91s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 18:55

General

  • Target

    5e1c036e9b2f6801fca368d78557bc0257c0582befe8702f8c32e3b1a4a7b014.dll

  • Size

    2.1MB

  • MD5

    e140631ab79224484ae4fda102b744d9

  • SHA1

    fd9485beac3ec8e65eeccb7ba9a42824692b4162

  • SHA256

    5e1c036e9b2f6801fca368d78557bc0257c0582befe8702f8c32e3b1a4a7b014

  • SHA512

    b21d0fde7be4080e1925fd5c06c48301373451b201e209f517469312256d052dfe722e36db434b91685e10ea584ecdb65ccdb8f46ef5819e21bd089e6f52d6bd

  • SSDEEP

    49152:+nTnSJ1QleMf1D5xtL4P9nueWMZm9G1BIvM35aw3u:SMQECr34P9njGGTt5J3

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e1c036e9b2f6801fca368d78557bc0257c0582befe8702f8c32e3b1a4a7b014.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e1c036e9b2f6801fca368d78557bc0257c0582befe8702f8c32e3b1a4a7b014.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of AdjustPrivilegeToken
      PID:1340

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Replay Monitor

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Downloads

  • memory/1340-132-0x0000000000000000-mapping.dmp
  • memory/1340-133-0x0000000010000000-0x000000001041B000-memory.dmp
    Filesize

    4.1MB

  • memory/1340-135-0x0000000010000000-0x000000001041B000-memory.dmp
    Filesize

    4.1MB