Analysis

  • max time kernel
    29s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2023 14:24

General

  • Target

    1a90a71654df0522262f5650fc5f7bc7603a9f2d4639f87889d703acbd0a1680.exe

  • Size

    366KB

  • MD5

    90e3b7c3ab8e0abd36736cad3675ea94

  • SHA1

    8d258a23b86e189d1e6163b99f48888bb7f25dbd

  • SHA256

    1a90a71654df0522262f5650fc5f7bc7603a9f2d4639f87889d703acbd0a1680

  • SHA512

    f23bf155becae678d4e0f7f2a8c88f9e4f25c9c8d6d89599a789b7a4eff88d557a330935c7ac41e3c225cce7127e87cb446fa8bc0a96a539c2cb78457d524314

  • SSDEEP

    6144:pmOP0zcxxjlS6q/hMPfpNJm0FLUSI/wmkDiItbmMoG71fXk7py7rBL+6NMt:cc/lNBNJm0gw5p1G8BL+6K

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a90a71654df0522262f5650fc5f7bc7603a9f2d4639f87889d703acbd0a1680.exe
    "C:\Users\Admin\AppData\Local\Temp\1a90a71654df0522262f5650fc5f7bc7603a9f2d4639f87889d703acbd0a1680.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nso204F.tmp\System.dll

    Filesize

    11KB

    MD5

    8b3830b9dbf87f84ddd3b26645fed3a0

    SHA1

    223bef1f19e644a610a0877d01eadc9e28299509

    SHA256

    f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

    SHA512

    d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

  • memory/1312-54-0x0000000075551000-0x0000000075553000-memory.dmp

    Filesize

    8KB

  • memory/1312-56-0x0000000004430000-0x000000000891E000-memory.dmp

    Filesize

    68.9MB

  • memory/1312-57-0x0000000004430000-0x000000000891E000-memory.dmp

    Filesize

    68.9MB