Analysis

  • max time kernel
    120s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 18:12

General

  • Target

    229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c.exe

  • Size

    853KB

  • MD5

    50bd5097a5a731f033d62c64cd732f30

  • SHA1

    d0d761b5a1745838c558ee17c547eb3fdfd25f71

  • SHA256

    229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c

  • SHA512

    8fdca77c73b45dc912d9d89a7c927be8af2b8e86530da8be062f0c3cde07369f60d4cc92041fe99fed0e475e5ab53b3de0d4d061ed9f4c832acca2fcc1b2df32

Malware Config

Extracted

Family

trickbot

Version

1000479

Botnet

trgt98888

C2

192.3.104.46:443

23.94.233.210:443

172.82.152.126:443

192.3.247.11:443

202.29.215.114:449

Attributes
  • autorun
    Control:GetSystemInfo
    Name:systeminfo
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Trickbot x86 loader 2 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c.exe
    "C:\Users\Admin\AppData\Local\Temp\229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\ProgramData\있서래처길모고른든.exe
      "C:\ProgramData\있서래처길모고른든.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2764

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\있서래처길모고른든.exe
      MD5

      50bd5097a5a731f033d62c64cd732f30

      SHA1

      d0d761b5a1745838c558ee17c547eb3fdfd25f71

      SHA256

      229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c

      SHA512

      8fdca77c73b45dc912d9d89a7c927be8af2b8e86530da8be062f0c3cde07369f60d4cc92041fe99fed0e475e5ab53b3de0d4d061ed9f4c832acca2fcc1b2df32

    • C:\ProgramData\있서래처길모고른든.exe
      MD5

      50bd5097a5a731f033d62c64cd732f30

      SHA1

      d0d761b5a1745838c558ee17c547eb3fdfd25f71

      SHA256

      229d33d05887ac47da1ebffc1ccab24d6e144354aaccb2f581122f765e49a12c

      SHA512

      8fdca77c73b45dc912d9d89a7c927be8af2b8e86530da8be062f0c3cde07369f60d4cc92041fe99fed0e475e5ab53b3de0d4d061ed9f4c832acca2fcc1b2df32

    • memory/1996-120-0x0000000002100000-0x000000000212D000-memory.dmp
      Filesize

      180KB

    • memory/1996-122-0x00000000020C0000-0x00000000020EC000-memory.dmp
      Filesize

      176KB

    • memory/2764-125-0x000001CBC4020000-0x000001CBC403E000-memory.dmp
      Filesize

      120KB