Analysis

  • max time kernel
    62s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    03/02/2021, 18:38

General

  • Target
    303d02331911b47e6840c68a7c2da8bc.exe
  • Size 400KB
  • Sample210203-rtjmrdrd6a
  • SHA256 49545cccf16c4586e4f80d64ad4109a117894a1c930effdffef3d808593af53c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 2000024

Botnet
  • tot33

C2
  • 85.93.159.98:449

  • 92.242.214.203:449

  • 202.21.103.194:449

  • 169.239.45.42:449

  • 45.234.248.66:449

  • 103.91.244.102:449

  • 118.67.216.238:449

  • 117.212.193.62:449

  • 201.184.190.59:449

  • 103.29.185.138:449

  • 79.122.166.236:449

  • 37.143.150.186:449

  • 179.191.108.58:449

  • 85.159.214.61:443

  • 149.56.80.31:443

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\303d02331911b47e6840c68a7c2da8bc.exe
    "C:\Users\Admin\AppData\Local\Temp\303d02331911b47e6840c68a7c2da8bc.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Program Files (x86)\DC\303d02331911b47e6840c68a7c2da8bc.exe
      "C:\Program Files (x86)\DC\303d02331911b47e6840c68a7c2da8bc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
          PID:1992
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 412
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:648
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 396
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1736

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/648-17-0x00000000047C0000-0x00000000047C1000-memory.dmp

          memory/648-20-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

          memory/648-18-0x00000000047C0000-0x00000000047C1000-memory.dmp

          memory/1644-16-0x000002386D0D0000-0x000002386D0D1000-memory.dmp

          memory/1644-15-0x000002386D090000-0x000002386D0B7000-memory.dmp

          memory/1736-11-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

          memory/3640-12-0x0000000002110000-0x0000000002111000-memory.dmp

          memory/3640-13-0x0000000010001000-0x0000000010003000-memory.dmp

          memory/3640-10-0x00000000006E0000-0x00000000006E2000-memory.dmp

          memory/4704-4-0x00000000021C0000-0x00000000021C2000-memory.dmp