Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-06-2024 11:14

General

  • Target

    virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe

  • Size

    125KB

  • MD5

    9afbc4afe7d3192095fec93c1426f0d0

  • SHA1

    1d78c30c19ba6b7ac0f556003968e1c30e7b4d3e

  • SHA256

    050d7184093a9b41a162fc99358c20ea75057980eb6a80999e63e6732beaf4b2

  • SHA512

    e5cb1cff112f45f7b014e0d1fe9d1468a5f34f6fb9bd926cd7d2bbecc6baad7eefe2c82d014877a63e9d9a977eab2ed572312e61fa4017b87a437a9c64bdd9e5

  • SSDEEP

    3072:rnnjKQlNR7Z3gcmIHv92lQBV+UdE+rECWp7hK6Cd:rOQ/R93TBV+UdvrEFp7hK7

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_9afbc4afe7d3192095fec93c1426f0d0.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/3800-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3800-6-0x0000000001002000-0x0000000001005000-memory.dmp

    Filesize

    12KB

  • memory/3800-11-0x0000000001000000-0x0000000001010000-memory.dmp

    Filesize

    64KB

  • memory/3800-12-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB