Analysis

  • max time kernel
    23s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 15:41

General

  • Target

    138.dll

  • Size

    675KB

  • MD5

    46ea0661444ba5f0c09c59938883fcaa

  • SHA1

    dee40cdb15046a6a1f47445b6202034e9a0d77e6

  • SHA256

    18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca

  • SHA512

    df0fc73283f7fe95c5db87b01981b708c32ab048ebf0234fd9c7273b1b6e530dd610409a7b0680b38527795f1ebb771569d185976aace3d1bfca8680921cfbac

Malware Config

Extracted

Family

trickbot

Version

100013

Botnet

mon138

C2

103.225.138.94:449

122.2.28.70:449

123.200.26.246:449

131.255.106.152:449

142.112.79.223:449

154.126.176.30:449

180.92.238.186:449

187.20.217.129:449

201.20.118.122:449

202.91.41.138:449

95.210.118.90:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Templ.dll packer 3 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • 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\138.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\138.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:1576
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1944

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1240-2-0x0000000000000000-mapping.dmp

    • memory/1240-3-0x00000000002F0000-0x0000000000329000-memory.dmp

      Filesize

      228KB

    • memory/1240-4-0x0000000000330000-0x0000000000367000-memory.dmp

      Filesize

      220KB

    • memory/1240-5-0x0000000004190000-0x00000000041C6000-memory.dmp

      Filesize

      216KB

    • memory/1240-8-0x00000000008D0000-0x00000000008D1000-memory.dmp

      Filesize

      4KB

    • memory/1240-7-0x00000000041D0000-0x0000000004213000-memory.dmp

      Filesize

      268KB

    • memory/1240-9-0x00000000005A1000-0x00000000005A3000-memory.dmp

      Filesize

      8KB

    • memory/1240-12-0x0000000010000000-0x0000000010037000-memory.dmp

      Filesize

      220KB

    • memory/1944-6-0x0000000000000000-mapping.dmp

    • memory/1944-11-0x00000252A9F80000-0x00000252A9F81000-memory.dmp

      Filesize

      4KB

    • memory/1944-10-0x00000252A9F40000-0x00000252A9F68000-memory.dmp

      Filesize

      160KB