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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2024, 09:18

General

  • Target

    278a3ea52fb307ec9b6501e3c3bc2590N.exe

  • Size

    88KB

  • MD5

    278a3ea52fb307ec9b6501e3c3bc2590

  • SHA1

    1b361953c6f444e56ff3681e8485410aaafb9859

  • SHA256

    dbe4bb2932a4106f0cac3c30cba8c998d73c7e3a93deffe8867d7fea94e959d7

  • SHA512

    933dfabf5db7ac398e79663d904964b0207572e50ab3f9de3420c242aa326f2747176c93e5927840b31aeaad40e5fe72d2c378788ecde22709792d5a73d2b200

  • SSDEEP

    1536:V7Zf/FAxTWoJJZENTNyoKIKMmr4TW7JJZENTNyoKIKMmrH:fny1tE5KIKNtE5KIKF

Malware Config

Signatures

  • Renames multiple (3212) 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\278a3ea52fb307ec9b6501e3c3bc2590N.exe
    "C:\Users\Admin\AppData\Local\Temp\278a3ea52fb307ec9b6501e3c3bc2590N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini.tmp

    Filesize

    89KB

    MD5

    3073f66e6087e5e253a42e08440efc57

    SHA1

    f368e0a13c1de65fb1135891dbab47a8f10dd97d

    SHA256

    132a5dc5fe45873f4776437a5e1490f6448be90b1a7360554b7ad4feaf81b290

    SHA512

    ce8d8537f39999d64a4df1bf607d5d6a6c0f084e55b13409b9e21ad9274991c0acf23bc84e4ff77d0d44c879d2ad2b930000a938f674e743f3ec9c773805bec8

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    98KB

    MD5

    aad63432e5a555ed5cbb0c088339e146

    SHA1

    75e883a3014071c88c0c0493636f3e7b6642061b

    SHA256

    0c5decfc4c5767d893c46ef4d500995ab2d2046093d39c8d45db7c3438921b93

    SHA512

    c3457bb4ca9ecafe625314022b96d7c9bc6c39681eb8e96b599b8f8747882fd6d69ef386b2e2e059db31f113d07179bdffaf8bd94b3ce92d2d33c10d7eee77c0

  • memory/2620-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2620-70-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB