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Analysis

  • max time kernel
    120s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 12:52

General

  • Target

    75b2717b798fa936f64b34dcd90ab180N.exe

  • Size

    41KB

  • MD5

    75b2717b798fa936f64b34dcd90ab180

  • SHA1

    c5dd0e3f294f764159da41b55ef5798efdd40359

  • SHA256

    bc42a08b81fdefada23fa327e3c601023d2010d280eba9f407885d9f8e65372c

  • SHA512

    19f5617d91a3f0b78eff54043b23235e276d129ab3c974314140ab5d3eeca5a24176c798c7204a044c617e4a0513ce9f6b7958e76c623819e998944c51a2ccd4

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti/r0:CTW7JJ7TTQoQ/r0

Malware Config

Signatures

  • Renames multiple (4690) 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\75b2717b798fa936f64b34dcd90ab180N.exe
    "C:\Users\Admin\AppData\Local\Temp\75b2717b798fa936f64b34dcd90ab180N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

    Filesize

    41KB

    MD5

    71199ce0524b6139a2094f72d8d3decd

    SHA1

    660c7f1b9e08604c5d472b0d98e9fcaf5055f7f2

    SHA256

    7e914758b319dbd47f80d221dd068699d17f3562d63971628c975667e612461e

    SHA512

    47226a99460ade874ef2f20d8309b8a33f76b9385a438b12d0d8cd65704523c8bddf44724aead2b9c458dc1625b598ad67c879675f82192ce82e3d139b79de0d

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

    Filesize

    140KB

    MD5

    28691c5c5f2a8de53e809a9db9c50af1

    SHA1

    13794f2eff8fddcb0076d2812135962611c806a3

    SHA256

    5d5f66e19c575d492aac75117310661121674a10ac01ae6ba553af9fe027f64a

    SHA512

    e8c3200603e0c626951d27ae29b8eb8dd70cfa011b70fcb0724f9b17cb739430cf7d38c9916c67e13a60ae3155d5c68f158deb02a7563595c4a747c67dd684c3

  • memory/3008-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3008-913-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB