Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    23-12-2021 16:04

General

  • Target

    24776663187d9e1d90e17decd74d3b6ef7c1b061154b41ec1f215e1677045c28.dll

  • Size

    341KB

  • MD5

    f68156851a38691b7ae9483089f2feb9

  • SHA1

    46b077e0f2634dacadde2078e933e02a3136179d

  • SHA256

    24776663187d9e1d90e17decd74d3b6ef7c1b061154b41ec1f215e1677045c28

  • SHA512

    3844b8071b5fd98f169e48baaaabc1c49f8b788884cd6e400be71eabf3c9f44bf40a0b8deb0bbca10af47a3b3a197845dd5a48c651aa8e4b70ee9aadb61fa802

Malware Config

Extracted

Family

trickbot

Version

100021

Botnet

rob144

C2

181.129.85.98:443

189.112.119.205:443

189.51.118.78:443

186.121.214.106:443

49.176.188.184:443

61.69.102.170:443

213.32.252.221:443

89.46.216.2:443

103.36.79.3:443

103.108.97.51:443

95.140.217.242:443

41.175.22.226:443

190.109.169.161:443

186.159.12.18:443

190.109.171.17:443

181.196.148.202:443

186.47.75.58:443

186.42.212.30:443

190.214.21.14:443

187.108.32.133:443

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 10 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\24776663187d9e1d90e17decd74d3b6ef7c1b061154b41ec1f215e1677045c28.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\24776663187d9e1d90e17decd74d3b6ef7c1b061154b41ec1f215e1677045c28.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:4320
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4308

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3832-118-0x0000000000000000-mapping.dmp
    • memory/3832-120-0x0000000004110000-0x0000000004111000-memory.dmp
      Filesize

      4KB

    • memory/3832-119-0x00000000027B0000-0x00000000027F2000-memory.dmp
      Filesize

      264KB

    • memory/3832-121-0x0000000010001000-0x0000000010003000-memory.dmp
      Filesize

      8KB

    • memory/4308-122-0x0000000000000000-mapping.dmp
    • memory/4308-124-0x0000024495120000-0x0000024495121000-memory.dmp
      Filesize

      4KB

    • memory/4308-123-0x00000244950E0000-0x0000024495108000-memory.dmp
      Filesize

      160KB

    • memory/4308-126-0x0000024495150000-0x0000024495152000-memory.dmp
      Filesize

      8KB

    • memory/4308-125-0x0000024495150000-0x0000024495152000-memory.dmp
      Filesize

      8KB