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Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 08:00

General

  • Target

    43cf6a118438bab9f38f3e8f3bf46150N.exe

  • Size

    58KB

  • MD5

    43cf6a118438bab9f38f3e8f3bf46150

  • SHA1

    852077483bf15d9684a6ac050529171d0263453e

  • SHA256

    6b13be9f29a56f850950a53b9896b2e151187dda33caf07b46b7d26c61d7b175

  • SHA512

    e450ef2127170d6356fd1ca4f5ae8a0b2ca7deb6465921cc64bcf6cbd3a35037bdbb0cd277381bf0ac4f930554b00f846a63c0897f2c13666df8eaaf5e0c26f9

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiPUN+:V7Zf/FAxTWoJJ7TTQoQcN+

Malware Config

Signatures

  • Renames multiple (3258) 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\43cf6a118438bab9f38f3e8f3bf46150N.exe
    "C:\Users\Admin\AppData\Local\Temp\43cf6a118438bab9f38f3e8f3bf46150N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3063565911-2056067323-3330884624-1000\desktop.ini.tmp

    Filesize

    58KB

    MD5

    f4eeb1bcd278492f6636c9aa3e69a67c

    SHA1

    e525571509d7a992073a13312fb3e3a14f60365e

    SHA256

    7d27ee4fb33cdabb59042f24f60040ed825f37c6f4e40a98a306af9bed65123f

    SHA512

    d32f89f64821f7d29024e3642c5d881488d3755175ba67fd2db7f9574331be7a1ed42154bfcad663f5c95cf46c85258219be4c5902e0282ed214dd756813ddaa

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

    Filesize

    67KB

    MD5

    4c8d177f49f5e3e799430c3e682795ae

    SHA1

    41aeb350c7a30498883266b13f2dde48a53e3684

    SHA256

    58af4ef02a856f67a07f99600bad45b21b817344c593c490396c481a918f773b

    SHA512

    be68141919148b14b477b155e331bd112cb42caddaef085956866dc622f07b2ca4716a2c07dfcc8285ccc0020c08eba434081c2582992ee33ccfa67cd50af6ab

  • memory/2336-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2336-74-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB