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Analysis

  • max time kernel
    120s
  • max time network
    100s
  • 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, 04:17

General

  • Target

    b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe

  • Size

    50KB

  • MD5

    bf7d36e3dd796107f570fb1206086730

  • SHA1

    01b71ad4a16d4d70249d69c58a5e19d3731f4024

  • SHA256

    b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09f

  • SHA512

    65e5100d597c2c2478f7e85a718b093e7950b927b1c187e843ee4449238fdbbae2da6a80a578d1a59aa40bf54a955a3c211e6d53afa6b0328e202b249dfaf6cd

  • SSDEEP

    768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lsSThy:W7ZhA7pApM21LOA1LOl6vSQ

Score
9/10

Malware Config

Signatures

  • Renames multiple (4622) files with added filename extension

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

  • 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\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
    "C:\Users\Admin\AppData\Local\Temp\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini.tmp

    Filesize

    51KB

    MD5

    cdcf1e469b8c77aff0e6c8cbae613a34

    SHA1

    e4ce14e296e82222b3ffde6e813d05f4ef0af989

    SHA256

    caa02c9349d8f20fe72be3591c25b82fb9f7a0b262de6503c7d9c80fb3f66f9f

    SHA512

    a63ad93d71736857c72811ae079415497a354d61d120dc79e874991f8b917167ed407e2d223126b14d3565ed5777a379d075272f5bd039ca975068fb42dfd0a5

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

    Filesize

    149KB

    MD5

    dd40ad89b4a24d73bd8cd4e3b60bc6b6

    SHA1

    a61e1bd44ffd741c48c6d4ddfc7b1e9c032560ba

    SHA256

    5618ae852a9f2fc22fa7a02a028cc314ae963644d9e465bb3d49186ed9a42eea

    SHA512

    b5709c3922e57ea998abf991d304641d0c3773cdc9711ffdfd94d044c911e0dabbcebc48fbb836d3a6ffb5d2218684be10eeb97cc4befa9bb35e2a7472a582cb