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Analysis

  • max time kernel
    120s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05/09/2024, 00:48

General

  • Target

    9bd03ef4f42b221c088ba161e7b947f0N.exe

  • Size

    29KB

  • MD5

    9bd03ef4f42b221c088ba161e7b947f0

  • SHA1

    893d809885bb6f355c4abeebc7a31876675883a4

  • SHA256

    8078f92f571daf0ca0cc20fd9f315ca11563fed89bccb3f7dca9f78fbf87c071

  • SHA512

    ecdea8e69fd2b6b62402d9f2f2461edc9e60211844382d16926ae9463f9e48bd664f2cc8518f5c45eae139a60487ec1108b1a1b4302c6fdf1e7ee4792882dcd7

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATB/yNhPn0DPn0n33:CTW7JJZENTB/oP0DP0n33

Malware Config

Signatures

  • Renames multiple (3439) 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\9bd03ef4f42b221c088ba161e7b947f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9bd03ef4f42b221c088ba161e7b947f0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini.tmp

    Filesize

    30KB

    MD5

    5641e9df581ac48d7aaef8c576ee2172

    SHA1

    7c1fed359166258a1789e6b913f84e3229416452

    SHA256

    b968cbcceb368700dd574029f2a5c88fa877dbc67465dca2d4b333e1b8f6e1dd

    SHA512

    5bb9654dd2e5263d11e9be767cf047fbb2dbb3495bb58774679cd244d88df07f173bcded628360e79d5f9d415cce56b9e1c117239500b1d9805f619a53a26244

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

    Filesize

    39KB

    MD5

    31f6c319b739a241bff1f658fe9a9f48

    SHA1

    ecf6eae528c2e45ac2f5c08dd297a457e2109a0c

    SHA256

    7acd502b9af5db892457b95b0fe608986b4262b40b606c329c6f2a8834f3d00c

    SHA512

    bfeee4c60a84fc85f5ebdbda648af710c19abd537989a3bfcb1d75e2b01023cbf576b94f86c63cfc926f3f6665ff16590ce85e9c707880c2aa41e1636fac9f00

  • memory/2668-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2668-71-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB