Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 12:29

General

  • Target

    2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe

  • Size

    407KB

  • MD5

    3a525e139777209c35e30feab24ba765

  • SHA1

    f8e24ba133138275642205c093c068571426cb81

  • SHA256

    2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58

  • SHA512

    57884f5678a2c54c21f2f9c038b8c518f5f07a98dad8e255e97dbeb9250ec0e1228254f0ca1de6af20e49c7a08e41dbd1f7a7940603e635faaaa433b530003e9

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe
    "C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sivtg.exe "C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:5032
      • C:\Users\Admin\AppData\Local\Temp\sivtg.exe
        C:\Users\Admin\AppData\Local\Temp\\sivtg.exe "C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:628
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\ukivgopsp\tdcdj.dll",Verify C:\Users\Admin\AppData\Local\Temp\sivtg.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1748
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\sivtg.exe

      Filesize

      407KB

      MD5

      646061a4be9b22c72f0f31f28c0abd1b

      SHA1

      ab08208a96d76de465d205a8d800ab123f316860

      SHA256

      20cd0ba16e567b639f1545ab84f98f68b09e6c548ec08d983153c5fc9ccb851e

      SHA512

      917816cdaf275398867933e32b61c50466345920df6027a22c844bb0c35e79a08b0eaa31515630c019d38fab14d0931a94b44b48bcb236df505ba47e7adea8ad

    • \??\c:\Program Files\ukivgopsp\tdcdj.dll

      Filesize

      228KB

      MD5

      80eaacb6d088d0ac677c8e6f19507202

      SHA1

      905297eaf03f89bf73001dff2c891fe9e5cc7063

      SHA256

      0651f60397d918f63661f1a10592233c534d3a77f399b24f6fc9185ae90b56bb

      SHA512

      5941c7506363c68ebfc05ff88c8df3df628dba6a84642a59175e4baf21b1bd9971d2ed5914be55bdd7e4d5deded7ad5334c7cd3d27147285bcbb235bb8c8df41

    • memory/628-6-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/628-8-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1748-11-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/1748-13-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/1748-14-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/4444-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4444-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB