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General

  • Target

    UVUpdater.exe

  • Size

    3.3MB

  • Sample

    230615-mbjassfh8t

  • MD5

    5570239006a577836e336b9694b9c021

  • SHA1

    cbf65aa633ca4b6142c0d454c377ed732b8c862e

  • SHA256

    f4b1209583b98d545b8a973c218369c9a66f41faed346dda95f78987a5dca14e

  • SHA512

    ea73b4d90bd76ec49be9c71ed41f4bdd04c9a9946454c2a1c7a6d02b3e1760708c61ad5bce654ce1ac184283e6a826099ca982df774ab3c87b63cbcb336e3e03

  • SSDEEP

    98304:bgEswDB+w4cU7vLmGe6QyuY1mTIwE5I3O8pMN:XswDBN4cULmu0qTwE5cg

Score
8/10

Malware Config

Targets

    • Target

      Device/HarddiskVolume5/Program Files (x86)/UltraViewer/Update/UVUpdater.exe

    • Size

      3.4MB

    • MD5

      b10fa685c645c451db5b6f023a4f0f27

    • SHA1

      5b2511c26e5bef4bd9cd1fe79a7497a83cfe4896

    • SHA256

      63d3ffb453d9717a35af6f9b8bcdff4190ae0711f872ab2f4b9f6b7a7fc8de49

    • SHA512

      c8e2466ecdd82e5498b96caa71c6468440c7463022ffb69624605a9c05b5ec6f43a63d5444772ba79217c2c981f6e4e5fb3889b739cb75b2e0d648def89dd3b0

    • SSDEEP

      98304:K5zZ80gsEX+LjOYZwzqxA4drSntNd6N5sCCN9ViPd:Kf80gsl3OzqfA3dHCCrcd

    Score
    8/10
    • Stops running service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks