Analysis

  • max time kernel
    145s
  • 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
    14-06-2024 01:51

General

  • Target

    9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe

  • Size

    46KB

  • MD5

    1d94b9a477d019a4bfd3c388304e62ad

  • SHA1

    7c86b4e3a4d24e01ecb13c67fc2097225882f0e5

  • SHA256

    9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616

  • SHA512

    90906a69622e95b4e4c975905488a4f73bce969cd555fe401e625e29d461c897a76114a0a2e58339c60de27b58c0aacf5e99aefb182722c48ed13ae66b7b0cda

  • SSDEEP

    768:keLI9Sqhu9+8tuGKXGRRkwbRlgcXQVQWjSs1tZ8pdNmLUrcrsANsdM5T233U8:NLI4qg9+Q/KMJqSsGpdNmLUIsWsdM5Tq

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
    "C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C658D~1.EXE > nul
      2⤵
        PID:3672
    • C:\Windows\Debug\ctbhost.exe
      C:\Windows\Debug\ctbhost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:3100
    • 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=1032 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\debug\ctbhost.exe

        Filesize

        46KB

        MD5

        3edf91b30a77cd2b561e188f6aea39ce

        SHA1

        5ab027b0965ffa83149d839ad41dbf96fa872ab8

        SHA256

        72812ccb83396b3c5f0fc8c9af4fb652969b30843a92b9c04f0a92190708e919

        SHA512

        a65eb425ccdc26d0112935aca6f171a1b86e17bba8ee1c48f71b5817e46683fd1692d2e8c0d2a41af08f1a822b8379d67e6e023d40e4dcccb8f55067f79d3d04

      • memory/1420-0-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/1420-3-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/1420-14-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-11-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-12-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-15-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-17-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-18-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-20-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB

      • memory/3100-22-0x0000000010000000-0x000000001000E000-memory.dmp

        Filesize

        56KB