Analysis

  • max time kernel
    39s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2023 03:41

General

  • Target

    https://drive.google.com/drive/u/0/mobile/folders/1w-j93Nwl3FhScs18mJEMTsKsCMopbfu3

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Detected potential entity reuse from brand google.
  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 25 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 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:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://drive.google.com/drive/u/0/mobile/folders/1w-j93Nwl3FhScs18mJEMTsKsCMopbfu3
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1860 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1444
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:4968
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 476 -p 3736 -ip 3736
    1⤵
      PID:1256
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3736 -s 2052
      1⤵
      • Program crash
      PID:3120

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\q7s3h6i\imagestore.dat
      Filesize

      5KB

      MD5

      8f39b35a019116bf4776cd4573769b23

      SHA1

      f98577d4002ac6fc3d4192666e0f5baec9aa13ac

      SHA256

      20aa2f416e3f168c2004c15ddef7dedd5aaa53ed0356d670d32e58e37be7c881

      SHA512

      ecc95b60204cd383f92e27262fe8d02d68e3b902e86ac78d3c5a27b85ed3fe96fa62cd6bcbcf075639e0d7c0084e42efcb3fe81baf1d3af0d48b4c37af9202d8

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V6GB5GU8\analytics[1].js
      Filesize

      49KB

      MD5

      54e51056211dda674100cc5b323a58ad

      SHA1

      26dc5034cb6c7f3bbe061edd37c7fc6006cb835b

      SHA256

      5971b095cff574a66d35ada016d4c077c86e2dea62e9c0f14cf7c94b258619de

      SHA512

      e305d190287c28ca0cc2e45b909a304194175bb08351ad3f22825b1d632b1a217fb4b90dfd395637932307a8e0cc01da2f47831fa4eda91a18e49efe6685b74b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y624AVVJ\favicon[2].ico
      Filesize

      5KB

      MD5

      f3418a443e7d841097c714d69ec4bcb8

      SHA1

      49263695f6b0cdd72f45cf1b775e660fdc36c606

      SHA256

      6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

      SHA512

      82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Y624AVVJ\favicon[2].ico
      Filesize

      5KB

      MD5

      f3418a443e7d841097c714d69ec4bcb8

      SHA1

      49263695f6b0cdd72f45cf1b775e660fdc36c606

      SHA256

      6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

      SHA512

      82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563