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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 03:29

General

  • Target

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe

  • Size

    50KB

  • MD5

    00a8b3edd7ff4d6161fbb1fd161b8400

  • SHA1

    ba9e1f81213a22c0296aa3e840ef872898e2dda5

  • SHA256

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490

  • SHA512

    0afbfb81aa3411e1187c7ea39819310d9676bb848d3ba46583b2d3ea7a04ed26966e45d8f44b22be9f74068c45cb2cab406ccff1fa49736f5e9406bc7ed85b3c

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Y9sqAJwXqAJwE:V7Zf/FAxTWoJJ7Tm

Malware Config

Signatures

  • Renames multiple (3203) 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\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe
    "C:\Users\Admin\AppData\Local\Temp\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2039016743-699959520-214465309-1000\desktop.ini.tmp

    Filesize

    50KB

    MD5

    67a6b8ff1ec40ceccae2c983170f1ebc

    SHA1

    7c947e7f600bf38bd00a1bf41048ba99adc7e62b

    SHA256

    05ab568e966419d0ca4a605518c2b0255acf645b6b80f581c7253891dfb0adc7

    SHA512

    683a3f4f1c8cf075f015160df710b799aca8559ed054403f31be2c7c32381fcdf24aef44feb95ce55b5fe3acd98a4ee80043af124fe3809137cd14ca712f1e71

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

    Filesize

    59KB

    MD5

    cc7e2eefe68c21190f14cc764181940f

    SHA1

    4350220ea4a19fb97ef6e1d6420e4e6c4ad40be0

    SHA256

    b1725d748323d77c63a37a2efea6c1dce09e8c830c036ef7790192c3d93eabe2

    SHA512

    9627dbaf372ab75e4c6200d6d4fc0dcffb795dabd307a50a5b9b66407b209d7536f55f316a6b7cbe05ea28fd1545a0e7396034577c5087b8a2bf2ac9449f2393

  • memory/1600-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1600-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB