Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    20-07-2021 16:58

General

  • Target

    triage_dropped_file.dll

  • Size

    596KB

  • MD5

    11a2bbc677b1cc5d53a5d34351c026e4

  • SHA1

    2bfdb0af11e01022bbeedfba846d71b2a29f8237

  • SHA256

    fda93931bb0b67a61cae3acdae38a66fba556813a194239c0391819b3dbfed26

  • SHA512

    9eb0ca50d74ff9ad4597ba0255e7e4c3346b37ac667cfecf455a890264ef52d687a7aa84121c56dde3e50c7472ce7ae2a3d49a0e3da5498ec56b1a16a5bd4eb6

Malware Config

Extracted

Family

trickbot

Version

100018

Botnet

rob109

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

  • 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\triage_dropped_file.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:484
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:2636
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2692

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/484-114-0x0000000000000000-mapping.dmp
    • memory/484-115-0x0000000004B00000-0x0000000004B3B000-memory.dmp
      Filesize

      236KB

    • memory/484-118-0x0000000004BE0000-0x0000000004C19000-memory.dmp
      Filesize

      228KB

    • memory/484-120-0x0000000004C20000-0x0000000004C57000-memory.dmp
      Filesize

      220KB

    • memory/484-123-0x0000000004E50000-0x0000000004E94000-memory.dmp
      Filesize

      272KB

    • memory/484-124-0x0000000004980000-0x0000000004A0E000-memory.dmp
      Filesize

      568KB

    • memory/484-125-0x0000000004980000-0x0000000004A0E000-memory.dmp
      Filesize

      568KB

    • memory/484-122-0x0000000004980000-0x0000000004A0E000-memory.dmp
      Filesize

      568KB

    • memory/2692-126-0x0000000000000000-mapping.dmp
    • memory/2692-127-0x0000023743C20000-0x0000023743C48000-memory.dmp
      Filesize

      160KB

    • memory/2692-128-0x0000023743D30000-0x0000023743D31000-memory.dmp
      Filesize

      4KB