Resubmissions

09/08/2026, 00:45

260809-a32v1afn4w7

09/08/2026, 00:10

260809-agkdts1sbv7

General

  • Target
    ConcreteAbyss.zip
  • Size 904.3MB
  • Sample260809-a32v1afn4w
  • SHA256 75af65ba2275b72dac584b28d1379d80587bbca7852d26f62ed21adee370e3b4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ConcreteAbyss.zip
    • Size 904.3MB
    • SHA256 75af65ba2275b72dac584b28d1379d80587bbca7852d26f62ed21adee370e3b4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/ConcreteAbyss.exe
    • Size 150KB
    • SHA256 f1dfc668d7243071953d9e43ef45a4ecbd7bdb9a0f48f59c438a0621026e79f8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Checks computer location settings

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

    • Loads dropped DLL

    • Target
      ConcreteAbyss/ConcreteAbyss/Content/Paks/ConcreteAbyss-Windows.pak
    • Size 9.1MB
    • SHA256 ba6f5c03594cdf3da39ce03174d8e1274d32c6bdc715011ab364457de73efb5b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/ConcreteAbyss/Content/Paks/ConcreteAbyss-Windows.ucas
    • Size 744.2MB
    • SHA256 339fc8af6f291ea1c5db349fc12ef1d4f9f6d0b3823b2e189468d3ac39b5a0ae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/ConcreteAbyss/Content/Paks/ConcreteAbyss-Windows.utoc
    • Size 1.5MB
    • SHA256 292be1afa2b3c2d871f3be20fbb47b5cf2504a44bda1ec8e51c60fd299db9131
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/ConcreteAbyss/Content/Paks/global.ucas
    • Size 1.9MB
    • SHA256 2225b60cc585bbc21e4a6b6cc79ef8553a4a1eb78e3fbaaea3eff072dd7b4a43
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/ConcreteAbyss/Content/Paks/global.utoc
    • Size 575B
    • SHA256 b33501a7dd192ea597b5d4a96a75212ea9e0acf9629a73db35b281ceab4df99d
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/DbgHelp/dbghelp.dll
    • Size 2.1MB
    • SHA256 cd925637c43f442d984a4f995b6c7f75c4c60327300a35105e860d072188eea7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/MsQuic/v220/win64/msquic.dll
    • Size 2.4MB
    • SHA256 dbd289714164554ca5c0cb84ca3a8864b70f4edfe66afe4b7f1b0a6c91bda448
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/NVIDIA/NVaftermath/Win64/GFSDK_Aftermath_Lib.x64.dll
    • Size 1.8MB
    • SHA256 490e158814e620b29d46dc5a44117a940e55cd233017a5346e48de988bb560ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/Ogg/Win64/VS2015/libogg_64.dll
    • Size 63KB
    • SHA256 79e018496871af6f3cc26124541c3615b020ad2313262cb8d91a10b83b5b47cc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbis_64.dll
    • Size 1.7MB
    • SHA256 72605b9dc51e6de7b7ed01e22133ed2d683db1b024eaeef12e72f71ff99d4f9c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbisfile_64.dll
    • Size 52KB
    • SHA256 340af1505897396c9b7d9982d7a232ee2628c7566c57b6b315f2dc75cbd34868
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/ThirdParty/Windows/XAudio2_9/x64/xaudio2_9redist.dll
    • Size 843KB
    • SHA256 dc580c75fe3e4cafdc2c2d534748bc07f8c378e9b6a28c4612ed00893c262635
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/D3D12/D3D12Core.dll
    • Size 5.4MB
    • SHA256 0298e235a61a1c617fe2aab872dae4cae5494139bb3d05d27cf7b4d3f1eed24e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/OpenImageDenoise.dll
    • Size 47.5MB
    • SHA256 63e363942775262ead3719ece1d47a55d8b9c1df918ebca2d07431a51bff9575
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/UnrealGame-Win64-Shipping.exe
    • Size 109.9MB
    • SHA256 0fcc5bbd786f9c6ad6ad5adc16f6e9edca8682902e495d873b166f31f1cabf53
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/tbb.dll
    • Size 224KB
    • SHA256 a334bd76d5dea22243581f147a24631be780b3e017fa4e47ebe5ff9f70f3773b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/tbb12.dll
    • Size 302KB
    • SHA256 da7b1facf0b2dc4372b639f4647b9f2cde1a1c794f182a18cb7bd7d6d43b0bc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Binaries/Win64/tbbmalloc.dll
    • Size 69KB
    • SHA256 fa35e14d1944ff1bde8dc570ae561db1b11d589ddce9c1e5f6b979b673434910
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Engine/Content/Slate/Cursor/invisible.cur
    • Size 326B
    • SHA256 fef3980fa567e9c45d5d8dcaa432a2c1a3f3bb17fe67d7ab198164f56c142aa1
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      ConcreteAbyss/Engine/Extras/Redist/en-us/UEPrereqSetup_x64.exe
    • Size 48.1MB
    • SHA256 e37432ff71a6ae1452ada4233d285b7b92591c4f702679668bbe2723942a8e80
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target
      ConcreteAbyss/Manifest_NonUFSFiles_Win64.txt
    • Size 1KB
    • SHA256 2023960185cbadc8b38d4311cdc4b81dd19d803cbf876d6f05af8ce6eb879e69
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10
    • Target
      ConcreteAbyss/Manifest_UFSFiles_Win64.txt
    • Size 2.0MB
    • SHA256 c3856e25f4e03040e1e5459107053928c65edc5a78333e5e6c3e48a217d066b9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks