Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 17:36

General

  • Target

    cf44358a5122f30796dc8b4f6ab1d5bef175884d55213665380144fb92d97207.exe

  • Size

    643KB

  • MD5

    697b2fd92519bad80c2947fabeb5a522

  • SHA1

    526da912290c6c32ae575540b92b8266b8964179

  • SHA256

    cf44358a5122f30796dc8b4f6ab1d5bef175884d55213665380144fb92d97207

  • SHA512

    da119d0cdca54e1229c2dceef1032a2ff7eb45a63fa3adb386a648052bd883221ab429d59c03f0ec0c51702f2d1ba7af12435e540c208566470642407f4a6fa5

  • SSDEEP

    12288:ZxQ+W9C07WbN2XujZvgaw9v3p4WzbTDqkR+cFjlWpe0r9t2DUINrJQQv7GlbdT:ZxdWlXejZvgVpzjqkjFjlWpH2D/Qs7q1

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf44358a5122f30796dc8b4f6ab1d5bef175884d55213665380144fb92d97207.exe
    "C:\Users\Admin\AppData\Local\Temp\cf44358a5122f30796dc8b4f6ab1d5bef175884d55213665380144fb92d97207.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar24F5.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2008-0-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2008-3-0x0000000004460000-0x000000000446A000-memory.dmp

    Filesize

    40KB

  • memory/2008-2-0x0000000004460000-0x000000000446A000-memory.dmp

    Filesize

    40KB

  • memory/2008-4-0x000000006EB50000-0x000000006EB60000-memory.dmp

    Filesize

    64KB

  • memory/2008-191-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2008-193-0x0000000004460000-0x000000000446A000-memory.dmp

    Filesize

    40KB

  • memory/2008-194-0x0000000004460000-0x000000000446A000-memory.dmp

    Filesize

    40KB

  • memory/2008-201-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB