Analysis

  • max time kernel
    38s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 16:32

General

  • Target

    78fc852976d4f8e68360f4bd282b78abb21f7aa02b52cf885203b43d0838c5ef.exe

  • Size

    153KB

  • MD5

    76455b7e8546d6f3621ce0fe9cbdd34b

  • SHA1

    d102feac4d08fbeb77c3ed4746c0d8007941addd

  • SHA256

    78fc852976d4f8e68360f4bd282b78abb21f7aa02b52cf885203b43d0838c5ef

  • SHA512

    ec580c20d102e3d8ece8b62c42c1ad88654841d48dea09a9d421b898dfdf9b28d20bf9c67789c817e2e5be1f0a1a96b5653adef4661d3109b7c1cf92bf4fecc9

  • SSDEEP

    3072:eYu/YbAcxltXugkbffcKwEU2OVG6daAOG99Up+BUHW5hZMehi5qFt13fSB:e6bAcJyX5ch5Kp+UsXu

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
  • Drops file in Windows directory 1 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\78fc852976d4f8e68360f4bd282b78abb21f7aa02b52cf885203b43d0838c5ef.exe
    "C:\Users\Admin\AppData\Local\Temp\78fc852976d4f8e68360f4bd282b78abb21f7aa02b52cf885203b43d0838c5ef.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    PID:1508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsjACA6.tmp\System.dll

    Filesize

    11KB

    MD5

    8b3830b9dbf87f84ddd3b26645fed3a0

    SHA1

    223bef1f19e644a610a0877d01eadc9e28299509

    SHA256

    f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

    SHA512

    d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

  • memory/1508-54-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1508-56-0x0000000002920000-0x000000000356A000-memory.dmp

    Filesize

    12.3MB