Resubmissions

13/09/2021, 14:21

210913-rn7w5sghfn10

19/08/2021, 15:37

210819-phk4f1rjde10

28/07/2021, 16:18

210728-vq2csehsha10

Analysis

  • max time kernel
    1776s
  • max time network
    1789s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19/08/2021, 15:37

General

  • Target
    joinpornhub.pdf.dll
  • Size 388KB
  • Sample210819-phk4f1rjde
  • SHA256 dbdf67590cfb1a76b02700a7c91c11ddf0c75f5963e6d56020e983e15a65c5d9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 100018

Botnet
  • rob114

C2
  • 38.110.103.124:443

  • 185.56.76.28:443

  • 204.138.26.60:443

  • 60.51.47.65:443

  • 74.85.157.139:443

  • 68.69.26.182:443

  • 38.110.103.136:443

  • 38.110.103.18:443

  • 138.34.28.219:443

  • 185.56.76.94:443

  • 217.115.240.248:443

  • 24.162.214.166:443

  • 80.15.2.105:443

  • 154.58.23.192:443

  • 38.110.100.104:443

  • 45.36.99.184:443

  • 185.56.76.108:443

  • 185.56.76.72:443

  • 138.34.28.35:443

  • 97.83.40.67:443

Attributes
  • autorun
    Name:pwgrabb
    Name:pwgrabc
ecc_pubkey.base64

Signatures

  • Contacts Bazar domain

    Uses Emercoin blockchain domains associated with Bazar backdoor/loader.

  • Trickbot

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

  • 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\joinpornhub.pdf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\joinpornhub.pdf.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4608
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:4924
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4932

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4608-115-0x0000000004E00000-0x0000000004E3B000-memory.dmp

          memory/4608-118-0x0000000004F80000-0x0000000004FB9000-memory.dmp

          memory/4608-120-0x0000000004FC0000-0x0000000004FF7000-memory.dmp

          memory/4608-122-0x0000000004DC0000-0x0000000004DF8000-memory.dmp

          memory/4608-123-0x0000000005000000-0x0000000005044000-memory.dmp

          memory/4608-124-0x0000000004E60000-0x0000000004E61000-memory.dmp

          memory/4608-125-0x0000000004E41000-0x0000000004E43000-memory.dmp

          memory/4932-127-0x000002BFD24A0000-0x000002BFD24C8000-memory.dmp

          memory/4932-128-0x000002BFD24E0000-0x000002BFD24E1000-memory.dmp