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Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 02:43

General

  • Target

    a3496aaf6c7029b956280a6f21db5f1e8e7a6ecd4032e0eb128f6f0095b55425.exe

  • Size

    43KB

  • MD5

    efe08a229e3ac609c9b77f72bd70e2f4

  • SHA1

    ed5dafd0b387abcf93f2ef5a7737bb5992a18104

  • SHA256

    a3496aaf6c7029b956280a6f21db5f1e8e7a6ecd4032e0eb128f6f0095b55425

  • SHA512

    62b8c770815b041d95183304d1e8d678133a9c16f41fa811cd9c53a71f68b2ba32f47018cecba8e488fbc34af7bf7a1d58777f76e7048cf4c52f11765c259935

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PpEI:CTW7JJZENTBHfiPpEI

Malware Config

Signatures

  • Renames multiple (4850) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3496aaf6c7029b956280a6f21db5f1e8e7a6ecd4032e0eb128f6f0095b55425.exe
    "C:\Users\Admin\AppData\Local\Temp\a3496aaf6c7029b956280a6f21db5f1e8e7a6ecd4032e0eb128f6f0095b55425.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    43KB

    MD5

    38db9e8bfa33bef97e0f9b88f2369dda

    SHA1

    cb4f2e6cb5468453eb1058d895ed32bb4c2b67d2

    SHA256

    abbb3d94ca0f4a0c0fd5153fa480557cd26e9eada92013ace63e5833d115e70e

    SHA512

    b63b31d6376aa9d00ddb8bf3b56e644c6cada1c077747857b6c2eeb4ce0005b9a04ccf57df0eee8b8c98cf2a1c1d8589d848e7359273a7101343090c622097df

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    142KB

    MD5

    17a364b467de97311ae48ca3884d2b78

    SHA1

    0ddb22622c370cba6127b9c9dd35feb0ca734d6b

    SHA256

    cca0f988efdc51093c69538e174464fb895804be95ed8dec35a4b131ce5e7d00

    SHA512

    f1c1d60370888eaf1919477d35df4dd67597e4ccd1ca8ac7474c6274d311d11ba7b4e34e8ad111633896f92930b6f1ad3e5f2c77b890221de49c85633f748b4e

  • memory/1588-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1588-422-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB