Analysis

  • max time kernel
    92s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    07/02/2021, 07:55

General

  • Target
    3644b3a45129a1b176958c2a3d0cc336.exe
  • Size 632KB
  • Sample210207-32rhxe7fna
  • SHA256 2c9592deb9c856d1a3f00a3436b85497ebd49e3192076e125b37c6ee755ce796
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 2000024

Botnet
  • tot36

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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3644b3a45129a1b176958c2a3d0cc336.exe
    "C:\Users\Admin\AppData\Local\Temp\3644b3a45129a1b176958c2a3d0cc336.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Program Files (x86)\DC\3644b3a45129a1b176958c2a3d0cc336.exe
      "C:\Program Files (x86)\DC\3644b3a45129a1b176958c2a3d0cc336.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
          PID:4188
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3848

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3144-10-0x0000000000630000-0x0000000000632000-memory.dmp

          memory/3144-12-0x0000000010001000-0x0000000010003000-memory.dmp

          memory/3144-11-0x00000000020E0000-0x00000000020E1000-memory.dmp

          memory/3848-15-0x000001E05E680000-0x000001E05E681000-memory.dmp

          memory/3848-14-0x000001E05E570000-0x000001E05E597000-memory.dmp

          memory/4704-4-0x00000000021E0000-0x00000000021E2000-memory.dmp