Analysis

  • max time kernel
    89s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    06/10/2021, 15:53

General

  • Target
    5e4a47ee3b0a64a724d790e321d428b668e51c93a90cb4772b9cf357463ea1ae.dll
  • Size 944KB
  • Sample211006-tb2kpsbch6
  • SHA256 5e4a47ee3b0a64a724d790e321d428b668e51c93a90cb4772b9cf357463ea1ae
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 100019

Botnet
  • fat1

C2
  • 65.152.201.203:443

  • 185.56.175.122:443

  • 46.99.175.217:443

  • 179.189.229.254:443

  • 46.99.175.149:443

  • 181.129.167.82:443

  • 216.166.148.187:443

  • 46.99.188.223:443

  • 128.201.76.252:443

  • 62.99.79.77:443

  • 60.51.47.65:443

  • 24.162.214.166:443

  • 45.36.99.184:443

  • 97.83.40.67:443

  • 184.74.99.214:443

  • 103.105.254.17:443

  • 62.99.76.213:443

  • 82.159.149.52:443

Attributes
  • autorun
    Name:pwgrabb
    Name:pwgrabc
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 2 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\5e4a47ee3b0a64a724d790e321d428b668e51c93a90cb4772b9cf357463ea1ae.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e4a47ee3b0a64a724d790e321d428b668e51c93a90cb4772b9cf357463ea1ae.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:4716
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4724

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4664-115-0x00000000002F0000-0x000000000032C000-memory.dmp

          memory/4664-118-0x0000000000CA0000-0x0000000000CDA000-memory.dmp

          memory/4664-121-0x0000000000CE0000-0x0000000000D18000-memory.dmp

          memory/4664-122-0x0000000000B20000-0x0000000000C6A000-memory.dmp

          memory/4664-123-0x0000000000D20000-0x0000000000D64000-memory.dmp

          memory/4664-124-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

          memory/4664-125-0x0000000000D91000-0x0000000000D93000-memory.dmp

          memory/4724-128-0x00000158EAB60000-0x00000158EAB61000-memory.dmp

          memory/4724-127-0x00000158EAB20000-0x00000158EAB49000-memory.dmp