Analysis

  • max time kernel
    141s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06/10/2021, 08:21

General

  • Target
    070d44df8e4e787599fc5834434fe522.dll
  • Size 476KB
  • Sample211006-j81pkaagg2
  • SHA256 a58069f435ecb06e19a354e35a9160af2b62ffd71ffe1099d01b4e56760a2f09
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 2000035

Botnet
  • zvs1

C2
  • 36.91.117.231:443

  • 36.89.228.201:443

  • 103.75.32.173:443

  • 45.115.172.105:443

  • 36.95.23.89:443

  • 103.123.86.104:443

  • 202.65.119.162:443

  • 202.9.121.143:443

  • 139.255.65.170:443

  • 110.172.137.20:443

  • 103.146.232.154:443

  • 36.91.88.164:443

  • 103.47.170.131:443

  • 122.117.90.133:443

  • 103.9.188.78:443

  • 210.2.149.202:443

  • 118.91.190.42:443

  • 117.222.61.115:443

  • 117.222.57.92:443

  • 136.228.128.21:443

Attributes
  • autorun

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 13 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\070d44df8e4e787599fc5834434fe522.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\070d44df8e4e787599fc5834434fe522.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2000

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1892-59-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp

        memory/1952-61-0x0000000075D51000-0x0000000075D53000-memory.dmp

        memory/1952-62-0x0000000000420000-0x000000000045B000-memory.dmp

        memory/1952-65-0x0000000000690000-0x00000000006C9000-memory.dmp

        memory/1952-67-0x0000000000AC0000-0x0000000000AF8000-memory.dmp

        memory/1952-69-0x00000000001B0000-0x0000000000230000-memory.dmp

        memory/1952-70-0x0000000000B00000-0x0000000000B45000-memory.dmp

        memory/1952-71-0x0000000000460000-0x0000000000471000-memory.dmp

        memory/1952-72-0x00000000001B0000-0x0000000000230000-memory.dmp

        memory/2000-75-0x00000000000A0000-0x00000000000A1000-memory.dmp

        memory/2000-74-0x0000000000060000-0x0000000000089000-memory.dmp