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Analysis

  • max time kernel
    119s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2024, 23:29

General

  • Target

    8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe

  • Size

    59KB

  • MD5

    cf5b7a515d7790d0392ca5e935b2f2e0

  • SHA1

    b5d82bc5a16b745d9544d713a22b5663063309e7

  • SHA256

    8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726

  • SHA512

    05d78d6f681929510d814e96ffe580d5ed84684d2c12741e9ebfc45ba9c5f3aa5391cfd6b840ae121c2560968361ecb0bae88756a64ecea0004b18cb4c63fcdc

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9nPJc4yc4aYuEsYuEB:V7Zf/FAxTWoJJ7Tl6P

Malware Config

Signatures

  • Renames multiple (4025) 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\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

    Filesize

    60KB

    MD5

    261a3e4129784d72eb890d17e3e25fc9

    SHA1

    454850bd64cdf5a35061a092b05b98b9cc3a915e

    SHA256

    0e75cc677536b0225300c3d520f7d0ef00007772e081779a1fcfd14bb6ce2e06

    SHA512

    8a8d72256e67291ad88da104e1fa7e281ff17c4e6bbc258ecbb0f6bd6407edc103b9599eb833671f4bcdb0717ecf78edfd14f256c91efb8a45367f18a435d57a

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

    Filesize

    158KB

    MD5

    52e998fc11a4c879a754527d4624e3c1

    SHA1

    64689144e8c5ccf32b55709ca28a1ff0f02a515a

    SHA256

    6195c5bbeec61680ac75c26b3e32b580c05aedd15077e9bda5d8a5c4a601ba85

    SHA512

    715b4101a43dfdb98ce8d5dd507fd80ebc1c6a1d553438ddf43c5ffdfdffc18aa0d7af01408d53c97f14ce51f079004c9f981fbbe6b7a64a4a2ba82c9d0bcea9

  • memory/4868-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4868-648-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB