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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 05:10

General

  • Target

    $0/uninstall.exe

  • Size

    82KB

  • MD5

    c78dc19bab9bcb490d031ccca4bdf853

  • SHA1

    f40960a41ff93fdcad2793f36fb5437db93b120c

  • SHA256

    a743fab26fad94ba571933471af4685660a80c73ef4a86ea276aebcc197b2600

  • SHA512

    da9f21b7eb01b3350614ee912f98389e209e0ce0afed08fdd13bea153f28510a2aeb468c10bf3317e0fe2716af9d67702996a8cbf18eb3ce1435be68c722abca

  • SSDEEP

    1536:jEkjY1zy214Qay0DGkJ7qAELVigJxf7DcptJgNfKeQ2/DRkAi:AkjAJ4dDGkJ+AI0JXJGKeH/u

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsu5EBB.tmp\InstallOptions.dll

    Filesize

    13KB

    MD5

    d765c492c21689e3d9d61634371fd861

    SHA1

    ac200933671ae52c9d5544d0e2e8e9144d286c83

    SHA256

    551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

    SHA512

    9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

  • C:\Users\Admin\AppData\Local\Temp\nsu5EBB.tmp\System.dll

    Filesize

    10KB

    MD5

    fe24766ba314f620d57d0cf7339103c0

    SHA1

    8641545f03f03ff07485d6ec4d7b41cbb898c269

    SHA256

    802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

    SHA512

    60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

  • C:\Users\Admin\AppData\Local\Temp\nsu5EBB.tmp\ioSpecial.ini

    Filesize

    610B

    MD5

    d2f956b56a909876451bccde9effee14

    SHA1

    dad316d2643638a20941d4d1792c6657d5430628

    SHA256

    97e18c21dcc9828faacf6424e174895835cab4d103db84fe4aeef36eb80f1671

    SHA512

    3b55187c7174cfea488b144d2fd79195c39669f0776ca596c263b2edc89cb853117ac3b8c73f2cb7b633903b0bb5e17e40097d8325b9d6f60e08d31492bf95cd

  • C:\Users\Admin\AppData\Local\Temp\nsu5EBB.tmp\ioSpecial.ini

    Filesize

    566B

    MD5

    92bffb9bb650826c1ae55de3c34f8e27

    SHA1

    a6bd00f4dbf3912c25707a14a1a02879f0f6e3cf

    SHA256

    144c099fea105d89b4ac4f78df561bf12208484847efabbcb83d8a6d8b855d63

    SHA512

    b5232c89c9950051036e210028647c03c1a26abfc3eccc47ee6c6b4df5e533530e6061cd517d14d7aa8a5906e0cbabc05dd9ca9de7d2342d8a312ddebc96a231

  • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

    Filesize

    82KB

    MD5

    c78dc19bab9bcb490d031ccca4bdf853

    SHA1

    f40960a41ff93fdcad2793f36fb5437db93b120c

    SHA256

    a743fab26fad94ba571933471af4685660a80c73ef4a86ea276aebcc197b2600

    SHA512

    da9f21b7eb01b3350614ee912f98389e209e0ce0afed08fdd13bea153f28510a2aeb468c10bf3317e0fe2716af9d67702996a8cbf18eb3ce1435be68c722abca