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Analysis

  • max time kernel
    189s
  • max time network
    207s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 12:56

General

  • Target

    NEAS.121d2d0ec9daff4bbad602dd3d7ff4e0_JC.exe

  • Size

    384KB

  • MD5

    121d2d0ec9daff4bbad602dd3d7ff4e0

  • SHA1

    4bde8cb1885bce6e8bc2a2d7480c9a8b54946303

  • SHA256

    91680174c6b87f888531008b7590caa4afad0b9ab9b8647407609295b5f724f8

  • SHA512

    fe5a8d6350ef232fee32c49fdfb1dbdcfaf223a554ab3ff14d0cde6aaa82647809b91b13d2ee13cff97ee8d881be3b7c7e1958742baa148bab292dd7cc868161

  • SSDEEP

    12288:eXwOrR6ZQCEHobg1fT8muY4ZxUBjvrEH72:eXwOrRnhZT4YkErEH72

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 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
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.121d2d0ec9daff4bbad602dd3d7ff4e0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.121d2d0ec9daff4bbad602dd3d7ff4e0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x64.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x64.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      PID:2420

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.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x64.exe

    Filesize

    347KB

    MD5

    a4b773d0eac0c66459d80f5efd8410c8

    SHA1

    7f99ffc1a5d0e7ef52418e8d54ccac8fbd38c24d

    SHA256

    3454e204a1ffd53ca8cb38a9f8c3e298399e18a3edfd28b6d7e7a12727220120

    SHA512

    295e1306344b2d6d18f2277a5ec3e04754dffa32cd78d6b886f8d279bdd2e4f470ff9b89d302dc967f250fed79808c4227a2a0fb4fabb47f7cdb0370a481fd1d

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x64.exe

    Filesize

    347KB

    MD5

    a4b773d0eac0c66459d80f5efd8410c8

    SHA1

    7f99ffc1a5d0e7ef52418e8d54ccac8fbd38c24d

    SHA256

    3454e204a1ffd53ca8cb38a9f8c3e298399e18a3edfd28b6d7e7a12727220120

    SHA512

    295e1306344b2d6d18f2277a5ec3e04754dffa32cd78d6b886f8d279bdd2e4f470ff9b89d302dc967f250fed79808c4227a2a0fb4fabb47f7cdb0370a481fd1d

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x86.exe

    Filesize

    227KB

    MD5

    26d063d7fc727f870370f3f18a9fc754

    SHA1

    2ac83bc864152b4e14a74f986a5427f62a264172

    SHA256

    8fbdc8e4fac793c84f9c6b1cd0fe8ee95252e347fd8dcbd5314b33e2cb6c4e85

    SHA512

    714507fbcb079b6a428476ecd74e7f84517e59634e9deb18e9c16d4affb3378088ad86ab6e7e3ca3260dcf3821d6ff61285385f8f580b4e4d9077dd8c61935ef

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x64.exe

    Filesize

    347KB

    MD5

    a4b773d0eac0c66459d80f5efd8410c8

    SHA1

    7f99ffc1a5d0e7ef52418e8d54ccac8fbd38c24d

    SHA256

    3454e204a1ffd53ca8cb38a9f8c3e298399e18a3edfd28b6d7e7a12727220120

    SHA512

    295e1306344b2d6d18f2277a5ec3e04754dffa32cd78d6b886f8d279bdd2e4f470ff9b89d302dc967f250fed79808c4227a2a0fb4fabb47f7cdb0370a481fd1d

  • \Users\Admin\AppData\Local\Temp\7ZipSfx.000\DaO_x86.exe.tmp

    Filesize

    303KB

    MD5

    32354b1100c03f9e5909e48015d7f21c

    SHA1

    611590ec6d7c5ce20dd2d5aad511b269644ac0b1

    SHA256

    917718f388750982906455642330cccf8eb67133f902dbdafe4933e688b74be1

    SHA512

    6b701726669cc9166b793a2c2d540f16b99a94a3c57d10e3bfded585b6208a99de4c537fd0843bb71dfb70b2a1cba425c33e5c41a6341330c9781f74db3f260e

  • memory/2600-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-48-0x0000000075780000-0x00000000757B5000-memory.dmp

    Filesize

    212KB

  • memory/2600-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-37-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-40-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2600-44-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-47-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-51-0x0000000075780000-0x00000000757B5000-memory.dmp

    Filesize

    212KB

  • memory/2600-52-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-55-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-6-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2600-60-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-63-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2600-64-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB