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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 02:32

General

  • Target

    aacs-updater-2.1.1.0-win32-setup.exe

  • Size

    15.1MB

  • MD5

    e80383d5eb0e8121e1030b46d0a45bf0

  • SHA1

    c55b96e5f8056f166573d40db6d7a05b663e920d

  • SHA256

    e1035bcdfa332523f3d77cd21a3db3287fa622bc68f2843498c17f455d4b1511

  • SHA512

    11791f6e5d5a91e0905fcba49bd10b735a532d8edc15b068dbde5b15d35ecc09a7734d8091d1f4476688767f5874ff49dda014dcdbf20aa6dbefbb3f9eb88693

  • SSDEEP

    393216:G+LQ2O4HCx0TAZ2LlJLxYKapbV09AB7kWfnwC:GmQBx0TDNR+VfLwC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aacs-updater-2.1.1.0-win32-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\aacs-updater-2.1.1.0-win32-setup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsd44CF.tmp\System.dll

    Filesize

    11KB

    MD5

    883eff06ac96966270731e4e22817e11

    SHA1

    523c87c98236cbc04430e87ec19b977595092ac8

    SHA256

    44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82

    SHA512

    60333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390

  • \Users\Admin\AppData\Local\Temp\nsd44CF.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    36bdf3e282ee81ea2f9a400604a55ff6

    SHA1

    032c7337754bd9bddb71db20feaddad7837e0a29

    SHA256

    c5bf321a3a2aace7b42014cf78a3d0fb3eec03b2c8ff00ad72445f56657377af

    SHA512

    58a99987fb63e392632f855f97f945bfd9de941788905636807a925b711db290370965875f1074478ce40ec4cd6f9e671a661e14c14a17ddceb08df692fe9c5d