Resubmissions

28-10-2021 12:28

211028-pnmj4agcgk 10

28-10-2021 11:42

211028-nt85lsgccp 10

28-10-2021 11:01

211028-m4n2racbg9 10

Analysis

  • max time kernel
    1043s
  • max time network
    1110s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    28-10-2021 12:28

General

  • Target

    0ed13cbfe863da2d2497ed2a3fdd1845b54fc312e9d6b3f666c503eb52780f23.dll

  • Size

    440KB

  • MD5

    5adaaad9852f8358aeeb367f1cd26b76

  • SHA1

    03511959dd3ebe64bf6f9c4194076d435f6f0621

  • SHA256

    0ed13cbfe863da2d2497ed2a3fdd1845b54fc312e9d6b3f666c503eb52780f23

  • SHA512

    9541a0345fd1494d2f8d7c8a36c08193e7bb848711c406d0b8a8b3514f8b0e0ced91403d99c5baa09ba20bb30bd63ba30724eb6e9ce5e9f95e756d9d1075b1b6

Malware Config

Extracted

Family

trickbot

Version

100019

Botnet

rob137

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.

  • suricata: ET MALWARE Win32/TrickBot CnC Initial Checkin M2

    suricata: ET MALWARE Win32/TrickBot CnC Initial Checkin M2

  • 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\0ed13cbfe863da2d2497ed2a3fdd1845b54fc312e9d6b3f666c503eb52780f23.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ed13cbfe863da2d2497ed2a3fdd1845b54fc312e9d6b3f666c503eb52780f23.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:1304
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1284

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1284-127-0x0000000000000000-mapping.dmp
    • memory/1284-130-0x000001F45BC60000-0x000001F45BC62000-memory.dmp
      Filesize

      8KB

    • memory/1284-131-0x000001F45BC60000-0x000001F45BC62000-memory.dmp
      Filesize

      8KB

    • memory/1284-128-0x000001F45BBE0000-0x000001F45BC09000-memory.dmp
      Filesize

      164KB

    • memory/1284-129-0x000001F45BC20000-0x000001F45BC21000-memory.dmp
      Filesize

      4KB

    • memory/3508-124-0x0000000004FE0000-0x0000000005025000-memory.dmp
      Filesize

      276KB

    • memory/3508-115-0x0000000000000000-mapping.dmp
    • memory/3508-123-0x0000000004DE0000-0x0000000004E19000-memory.dmp
      Filesize

      228KB

    • memory/3508-125-0x0000000005040000-0x0000000005041000-memory.dmp
      Filesize

      4KB

    • memory/3508-126-0x0000000004E61000-0x0000000004E63000-memory.dmp
      Filesize

      8KB

    • memory/3508-122-0x0000000004FD5000-0x0000000004FD6000-memory.dmp
      Filesize

      4KB

    • memory/3508-121-0x0000000004FA1000-0x0000000004FD5000-memory.dmp
      Filesize

      208KB

    • memory/3508-119-0x0000000004F61000-0x0000000004F63000-memory.dmp
      Filesize

      8KB

    • memory/3508-120-0x0000000004F63000-0x0000000004F64000-memory.dmp
      Filesize

      4KB

    • memory/3508-116-0x0000000004E20000-0x0000000004E5C000-memory.dmp
      Filesize

      240KB