Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:09

General

  • Target
    may.jpg.dll
  • Size 388KB
  • Sample201109-dbcwl2xcve
  • SHA256 3b4e2eaa2c933d266ce048d25144e8a48e83c26de690d61b97edc665cdd3f3c3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 1000512

Botnet
  • gi5

C2
  • 95.171.16.42:443

  • 185.90.61.9:443

  • 5.1.81.68:443

  • 185.99.2.65:443

  • 134.119.191.11:443

  • 85.204.116.100:443

  • 78.108.216.47:443

  • 51.81.112.144:443

  • 194.5.250.121:443

  • 185.14.31.104:443

  • 185.99.2.66:443

  • 107.175.72.141:443

  • 192.3.247.123:443

  • 134.119.191.21:443

  • 85.204.116.216:443

  • 91.235.129.20:443

  • 181.129.104.139:449

  • 181.112.157.42:449

  • 181.129.134.18:449

  • 131.161.253.190:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Templ.dll packer 4 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\may.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\may.jpg.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1280
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2016

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1980-1-0x00000000002E0000-0x000000000030E000-memory.dmp

        memory/1980-2-0x0000000000340000-0x000000000036E000-memory.dmp

        memory/1980-4-0x0000000000950000-0x000000000097D000-memory.dmp

        memory/1980-3-0x0000000000390000-0x00000000003BD000-memory.dmp