Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2023 21:25

General

  • Target

    NEAS.85c12e8f5cde7902432dea5eaff70b50.exe

  • Size

    499KB

  • MD5

    85c12e8f5cde7902432dea5eaff70b50

  • SHA1

    191db6a77f0f44bdf4b408072d2fe8b05eb8eb37

  • SHA256

    0568cce95dd3b00bba75de8f0af338c75b8d3a668a672f0f72987b08c0b9c0cb

  • SHA512

    920ebf0c708e49625e02b526a82074568e4d7252160acef62552cb6589ec9d4d5e05c8c6fa477be2e95d504f6a252cc260d0ea718f020010b70d0f1a51ec2b0c

  • SSDEEP

    12288:CjkArEN249AyE/rbaMcbEVHn7VvvpBjvrEH7R:1FE//TcYtNrEH7R

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.85c12e8f5cde7902432dea5eaff70b50.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.85c12e8f5cde7902432dea5eaff70b50.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • memory/4120-19-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4120-15-0x0000000076650000-0x00000000766B3000-memory.dmp

    Filesize

    396KB

  • memory/4120-18-0x0000000076650000-0x00000000766B3000-memory.dmp

    Filesize

    396KB

  • memory/4120-0-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4120-20-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4120-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4120-29-0x0000000076650000-0x00000000766B3000-memory.dmp

    Filesize

    396KB

  • memory/4120-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4120-35-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4120-47-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4120-58-0x0000000076650000-0x00000000766B3000-memory.dmp

    Filesize

    396KB

  • memory/4120-60-0x0000000076650000-0x00000000766B3000-memory.dmp

    Filesize

    396KB