Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 04:20

General

  • Target

    e968b406ff8ca1bafdeab76d0493784b73f4787a819d2441ccd7b413182be535.exe

  • Size

    87KB

  • MD5

    b9f84667cd97547bc32e99e242e4e587

  • SHA1

    52558e7686fbaf1c0b2b8cb7474c076b8e163a3b

  • SHA256

    e968b406ff8ca1bafdeab76d0493784b73f4787a819d2441ccd7b413182be535

  • SHA512

    e0fa8fbe3daa5c8088a138672473b043bdda5385f7f765ded838fe81ef311567861022a243348006e85221c34981ebde389cd856fe61401a8849f5ddd61342c4

  • SSDEEP

    1536:s9Z3KcR4mjD9r8226+v9Z3KcR4mjD9r8226+p3kvmcXxJ:sr3KcWmjRrzSvr3KcWmjRrzSWvmc7

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e968b406ff8ca1bafdeab76d0493784b73f4787a819d2441ccd7b413182be535.exe
    "C:\Users\Admin\AppData\Local\Temp\e968b406ff8ca1bafdeab76d0493784b73f4787a819d2441ccd7b413182be535.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Users\Admin\AppData\Local\Temp\oRyfYv80WIFjOWL.exe
      C:\Users\Admin\AppData\Local\Temp\oRyfYv80WIFjOWL.exe
      2⤵
      • Executes dropped EXE
      PID:3568
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    393KB

    MD5

    7583ae276a3ffd5a3f11de985a0bcbb5

    SHA1

    59391be476bd2fc979df7fcb71f59b4f68b37a6c

    SHA256

    04e4c366ce0611b7d593c4251f755a7ae4e33bb6f085affa40af31de5f9c47b4

    SHA512

    9b2548d293e857098dc58065e03b90462595fad44d77bf3d6ed512cebbbde6d275ac3f7a8992f5b3fe8402fadf7d17bf63ea1de0564caba145be4f10f29a1f12

  • C:\Users\Admin\AppData\Local\Temp\oRyfYv80WIFjOWL.exe

    Filesize

    16KB

    MD5

    95c9a037d3b01a21275aa6cc73b122a2

    SHA1

    c19ed8afc95b91d0cc6bc075047de30eae015386

    SHA256

    1d5edcbae3258efb07cc57ba8d7cd1ebe2eb5106ef1a894b787ed2857952c523

    SHA512

    761bb76261712a597f610e3162fa1514d2f56d69d03d1b76b51c6b2a7b0c88bbd385b7dc849c6913f7d861fb3aed8551f26f640d90b621e8629abe2e4bfb6160

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    22069d1278ebf7d1758e20c4b118c39a

    SHA1

    cfd6c00953bc91dfa91a809e99a230b0ad222eec

    SHA256

    c4875ef691c5e0dbcdc5dd700f610042ec63e251f184150eeb3e7ab1dde3c9ba

    SHA512

    7ffbb4fce2779e7dc7ea19773a843eb174eb9e8dfc136a45ce8606c6c1657887f73409bfc780c391fe38dacc56c8a6ca4f84d3656236d631b42ec2946346b61d

  • memory/1404-7-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

    Filesize

    92KB

  • memory/1404-32-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

    Filesize

    92KB

  • memory/4356-0-0x0000000000A70000-0x0000000000A87000-memory.dmp

    Filesize

    92KB

  • memory/4356-9-0x0000000000A70000-0x0000000000A87000-memory.dmp

    Filesize

    92KB