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Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 15:18

General

  • Target

    NEAS.765365295fd35fa2dc02d899e7832452_JC.exe

  • Size

    180KB

  • MD5

    765365295fd35fa2dc02d899e7832452

  • SHA1

    f08986c2094884d4941c5c5b37a2d61e0b0f8e0f

  • SHA256

    e7246e63bc7a88689d67051002fc4421c3238f60aad608976703b1c6326890a6

  • SHA512

    95a180b709e39ae7c4cdd3dd59d1416b20032b2efe861bbdcf1c667c3f008b36e45feeb9cd3a92ea39b4357a492abd39fb9e27a38780636e4338c1cd99e4b35c

  • SSDEEP

    3072:Ggg8Gl3/piOIYGL3vD5DUxwvx2Xh2lQBV+UdE+rECWp7hKtSFsCC:TgTpxiTHj12wqBV+UdvrEFp7hKt/CC

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 5 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.765365295fd35fa2dc02d899e7832452_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.765365295fd35fa2dc02d899e7832452_JC.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1232

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

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1232-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1232-5-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1232-11-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1232-12-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1232-14-0x0000000075A40000-0x0000000075AA3000-memory.dmp

    Filesize

    396KB

  • memory/1232-15-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1232-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1232-17-0x0000000075A40000-0x0000000075AA3000-memory.dmp

    Filesize

    396KB