Analysis

  • max time kernel
    178s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 23:43

General

  • Target
    Offer[2023.10.11_08-07]_2.vbs
  • Size 1012KB
  • Sample231011-3qkeeaeb44
  • SHA256 69e3c157249070aec7d5e003cd6b3dd05f87b555e4997e4c11cc5ff07462e3db
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • icedid

Campaign
  • 361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Offer[2023.10.11_08-07]_2.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0013-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{EEC7723D-6352-2680-1E84-3C7243E600EC}\etqaactb3.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3016
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Roaming\{EEC7723D-6352-2680-1E84-3C7243E600EC}\etqaactb3.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:1508

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        77EC63BDA74BD0D0E0426DC8F8008506

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
        • Size 290B
        • SHA256 b70116bc74deb11ca1202fce9f9785416007141d8401de5198c748b0a067bfe6
        • MD5 SHA1 SHA512

        etqaactb3.dll

        • Path C:\Users\Admin\AppData\Roaming\{EEC7723D-6352-2680-1E84-3C7243E600EC}\etqaactb3.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        etqaactb3.dll

        • Path C:\Users\Admin\AppData\Roaming\{EEC7723D-6352-2680-1E84-3C7243E600EC}\etqaactb3.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        0013-1.dll

        • Path C:\Windows\Temp\0013-1.dll
        • Size 328KB
        • SHA256 347ae21ab28f50dc3575dfa9625823de77125cda644db11940374cca505878d8
        • MD5 SHA1 SHA512 SSDEEP

        0013-1.dll

        • Path C:\windows\Temp\0013-1.dll
        • Size 328KB
        • SHA256 347ae21ab28f50dc3575dfa9625823de77125cda644db11940374cca505878d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/1164-8-0x0000000000740000-0x000000000074D000-memory.dmp

        memory/1164-3-0x0000000000740000-0x000000000074D000-memory.dmp

        memory/1164-4-0x0000000000740000-0x000000000074D000-memory.dmp

        memory/1508-12-0x0000029C59350000-0x0000029C5939F000-memory.dmp

        memory/1508-13-0x0000029C59420000-0x0000029C5946C000-memory.dmp

        memory/1508-18-0x0000029C59420000-0x0000029C5946C000-memory.dmp

        memory/1508-19-0x0000029C59420000-0x0000029C5946C000-memory.dmp

        memory/1508-20-0x0000029C59350000-0x0000029C5939F000-memory.dmp

        memory/1508-25-0x0000029C59420000-0x0000029C5946C000-memory.dmp

        memory/1508-26-0x0000029C59420000-0x0000029C5946C000-memory.dmp

        memory/1508-28-0x0000029C59420000-0x0000029C5946C000-memory.dmp