Analysis

  • max time kernel
    142s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 10:59

General

  • Target

    4db4e46d82dfadd6bd22b775003d01a0_NEAS.exe

  • Size

    704KB

  • MD5

    4db4e46d82dfadd6bd22b775003d01a0

  • SHA1

    81667d4ee97e2901487aa76ed1451d175fd97abe

  • SHA256

    f65fd3cf7ee45e4cbec3064572231876f47ec66922c2c291526d9db0148e065c

  • SHA512

    c1512d68172ee2c88618bb91c9ee2a1d4c8889254c39b31a867218bc9afc7736bfa659df72416176bc39083a9b5bdd80ec4116751c988780326cfb7d9555bf8f

  • SSDEEP

    12288:6TqmghBgUxx3g2GLsLJqK5a63znSWOltI27Qn5SK1BjvrEH7F:6AhBHEuJXSW52OSK7rEH7F

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 8 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4db4e46d82dfadd6bd22b775003d01a0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\4db4e46d82dfadd6bd22b775003d01a0_NEAS.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/3060-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-10-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/3060-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-25-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-29-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3060-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB