Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2023, 10:43

General

  • Target

    2d218041a040c1d886231e87b32173f6c834c1d252e76ce5413975ef28f29f13.exe

  • Size

    224KB

  • MD5

    4d6764fb6f6475572a10dc8eeab12ccb

  • SHA1

    e6a842f22d6ddbd872268e9afd67a93bef2f913e

  • SHA256

    2d218041a040c1d886231e87b32173f6c834c1d252e76ce5413975ef28f29f13

  • SHA512

    4d7d84d92332f030877bec9060f83da5adcdeff90518bcca174de58f733cf38844d9745125273a21f0f85e9f9f48855cffccb24e47b99b601e2acc976141632d

  • SSDEEP

    6144:ayV2zi7ajvReNLKZH2FaLw9hH4JdBV+UdvrEFp7hKQpF:ayV2zi+jvMH9hH4JdBjvrEH7nF

Score
8/10

Malware Config

Signatures

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

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 10 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d218041a040c1d886231e87b32173f6c834c1d252e76ce5413975ef28f29f13.exe
    "C:\Users\Admin\AppData\Local\Temp\2d218041a040c1d886231e87b32173f6c834c1d252e76ce5413975ef28f29f13.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2520

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.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/2520-16-0x0000000000070000-0x000000000009B000-memory.dmp

    Filesize

    172KB

  • memory/2520-19-0x00000000776C0000-0x00000000776F5000-memory.dmp

    Filesize

    212KB

  • memory/2520-9-0x0000000000070000-0x000000000009B000-memory.dmp

    Filesize

    172KB

  • memory/2520-6-0x0000000000070000-0x000000000009B000-memory.dmp

    Filesize

    172KB

  • memory/2520-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-5-0x0000000000070000-0x000000000009B000-memory.dmp

    Filesize

    172KB

  • memory/2520-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-8-0x0000000000070000-0x000000000009B000-memory.dmp

    Filesize

    172KB

  • memory/2520-22-0x00000000776C0000-0x00000000776F5000-memory.dmp

    Filesize

    212KB

  • memory/2520-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2520-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB