Analysis

  • max time kernel
    59s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11/06/2021, 14:33

General

  • Target
    c6fcd45cbffe733beab01bd9d7706615.dll
  • Size 528KB
  • Sample210611-3qb2ccxqcs
  • SHA256 896b649c68a4c744c0bcab8c1918732ef1c82bb51ffaea777d3035867bd2787a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 100017

Botnet
  • sat1

C2
  • 178.72.192.20:443

  • 103.124.145.98:443

  • 45.5.152.39:443

  • 114.7.240.222:443

  • 85.248.1.126:443

  • 94.183.237.101:443

  • 146.196.121.219:443

  • 89.37.1.2:443

  • 94.142.179.77:443

  • 177.221.39.161:443

  • 85.175.171.246:443

  • 103.12.160.164:443

  • 180.178.106.50:443

  • 94.142.179.179:443

  • 46.209.140.220:443

  • 123.231.149.122:443

  • 123.231.149.123:443

  • 182.160.116.190:443

  • 131.0.112.122:443

  • 116.0.6.110:443

Attributes
  • autorun
    Name:pwgrabb
    Name:pwgrabc
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c6fcd45cbffe733beab01bd9d7706615.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4084
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\c6fcd45cbffe733beab01bd9d7706615.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:2672
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3224

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/800-115-0x00000000044F0000-0x000000000452B000-memory.dmp

          memory/800-118-0x0000000004530000-0x0000000004569000-memory.dmp

          memory/800-121-0x0000000004570000-0x00000000045A8000-memory.dmp

          memory/800-124-0x00000000045F0000-0x0000000004633000-memory.dmp

          memory/800-125-0x0000000002D00000-0x0000000002D01000-memory.dmp

          memory/800-123-0x0000000004370000-0x000000000457E000-memory.dmp

          memory/800-126-0x0000000002CE1000-0x0000000002CE3000-memory.dmp

          memory/3224-127-0x00000259FD940000-0x00000259FD968000-memory.dmp

          memory/3224-128-0x00000259FDA50000-0x00000259FDA51000-memory.dmp