Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 07:00

General

  • Target

    b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

  • Size

    461KB

  • MD5

    fc1d45faa27a9f5db6d5b589b326322a

  • SHA1

    fffdd956d880ab4b8420725dc440777c918193b4

  • SHA256

    b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4

  • SHA512

    1c5cd9bb2ea26c781c087cc22b0d21a914db58aa72f44d1b2a141aa8677672fcaab36644f97093ec9bf43aff1057030412c735adc235e99f9028d447144f272d

  • SSDEEP

    12288:SJRL3Ubb6U38Y9de3ANbCS0Z8M9exenVWqqPIBONhxs8hmhSBjvrEH7o:SJRL3ap9dNNbCiM+1/xs8hmCrEH7o

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe
    "C:\Users\Admin\AppData\Local\Temp\b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4152
  • 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=3948 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      64KB

      MD5

      2bbf52ab0cf0cf3f70ade185ac65fb59

      SHA1

      8258f662b485bb5920ae1f6720fd353421d0a39e

      SHA256

      bb70bb0eeb0a74d007f01eb2d4178ae9bc817cdee10c656b7f8747b424604147

      SHA512

      367e8462c02426d1e4205f9666e61d9c59571ad6ce68c7333b1deb799d32a0597f31e73ed9f1d3d790f35156b26051b44287f7e424f9c7eb2efdab1c35a20e9d

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Users\Admin\AppData\Local\Temp\log.txt

      Filesize

      2KB

      MD5

      cd8b96df16f93821750cf1821d812b56

      SHA1

      f4b35e9e44fac9e419d0977c169e0ef82c5dd92f

      SHA256

      f53f9a6defdcb7fdcf3bee074caac972d7a02676c3d31af3924ec58d31a852de

      SHA512

      65bd0539a502c3f258efe22286b7ad9f87cd20b113f000aad278e55559a6a13ca9eaa9a7b96b0d2edb8fdd0cb8036e83ad3ed38dcf2dd7e94f09eecd45d8f24b

    • C:\Users\Admin\AppData\Local\Temp\log.txt

      Filesize

      5KB

      MD5

      59616ec975404734d52005ee29232b19

      SHA1

      58bb1ad4b10af22cd97b2711348097394b182826

      SHA256

      8887e4a9ce761613588b17a1b5d82f0cc7ccfec7eab86a420cc07e7f0c92f02a

      SHA512

      98e2182898ef9a23fcf7b2b71dfe9a41e04045c88ce94a1d5e1ba1c8d554e64bddc5f289ee3e040c17d16090d2864b5f9e65f0bad4456e12a1a4d422ae1d6c33

    • memory/4152-3-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/4152-23-0x00000000003B0000-0x0000000000416000-memory.dmp

      Filesize

      408KB

    • memory/4152-60-0x00000000003B0000-0x0000000000416000-memory.dmp

      Filesize

      408KB

    • memory/4152-61-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB