Analysis

  • max time kernel
    144s
  • max time network
    151s
  • 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, 23:48

General

  • Target
    0317-1.dll
  • Size 328KB
  • Sample231011-3thpzsec88
  • SHA256 5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca
  • 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 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0317-1.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\{22FAAE4A-7B0B-FB46-10E4-A081C68B8A4C}\vuetacdf.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\{22FAAE4A-7B0B-FB46-10E4-A081C68B8A4C}\vuetacdf.dll,#1
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:4384
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:4956
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4240

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          vuetacdf.dll

          • Path C:\Users\Admin\AppData\Local\{22FAAE4A-7B0B-FB46-10E4-A081C68B8A4C}\vuetacdf.dll
          • Size 583KB
          • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
          • MD5 SHA1 SHA512 SSDEEP

          vuetacdf.dll

          • Path C:\Users\Admin\AppData\Local\{22FAAE4A-7B0B-FB46-10E4-A081C68B8A4C}\vuetacdf.dll
          • Size 583KB
          • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
          • MD5 SHA1 SHA512 SSDEEP

          memory/4240-53-0x0000021BFE8A0000-0x0000021BFE8A1000-memory.dmp

          memory/4240-21-0x0000021BFE440000-0x0000021BFE450000-memory.dmp

          memory/4240-57-0x0000021BFE9E0000-0x0000021BFE9E1000-memory.dmp

          memory/4240-56-0x0000021BFE8D0000-0x0000021BFE8D1000-memory.dmp

          memory/4240-55-0x0000021BFE8D0000-0x0000021BFE8D1000-memory.dmp

          memory/4240-37-0x0000021BFE540000-0x0000021BFE550000-memory.dmp

          memory/4384-18-0x000002AC0EB80000-0x000002AC0EBCF000-memory.dmp

          memory/4384-17-0x000002AC0EC50000-0x000002AC0EC9C000-memory.dmp

          memory/4384-16-0x000002AC0EC50000-0x000002AC0EC9C000-memory.dmp

          memory/4384-11-0x000002AC0EC50000-0x000002AC0EC9C000-memory.dmp

          memory/4384-10-0x000002AC0EB80000-0x000002AC0EBCF000-memory.dmp

          memory/4596-6-0x0000000001080000-0x000000000108D000-memory.dmp

          memory/4596-1-0x0000000001080000-0x000000000108D000-memory.dmp

          memory/4596-4-0x0000000001080000-0x000000000108D000-memory.dmp