Analysis

  • max time kernel
    162s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    10/05/2022, 05:40

General

  • Target
    check.dll
  • Size 453KB
  • Sample220510-gcv34afbb4
  • SHA256 94dfc86b7314e9b0981a4e3667d5b82711ab82a3079f2441788bb9523249a7eb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 2000029

Botnet
  • che1

C2
  • 103.66.72.217:443

  • 117.252.68.211:443

  • 103.124.173.35:443

  • 115.73.211.230:443

  • 117.54.250.246:443

  • 131.0.112.122:443

  • 102.176.221.78:443

  • 181.176.161.143:443

  • 154.79.251.172:443

  • 103.111.199.76:443

  • 103.54.41.193:443

  • 154.79.244.182:443

  • 154.79.245.158:443

  • 139.255.116.42:443

  • 178.254.161.250:443

  • 178.134.47.166:443

  • 158.181.179.229:443

  • 103.90.197.33:443

  • 109.207.165.40:443

  • 178.72.192.20:443

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Templ.dll packer 1 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\check.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\check.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4936

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4472-131-0x00000000023F0000-0x0000000002616000-memory.dmp

        memory/4472-132-0x0000000000C30000-0x0000000000C73000-memory.dmp

        memory/4936-134-0x0000026B06190000-0x0000026B061B8000-memory.dmp