Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 08:35

General

  • Target

    6218ad3b70f0e78e207f1f20073a1e10N.exe

  • Size

    2.3MB

  • MD5

    6218ad3b70f0e78e207f1f20073a1e10

  • SHA1

    7870c93135ffd240749d8b4c6d9dca14a300eb02

  • SHA256

    8102d0546d92d1ed4d831e7fcb0b3685f66207ce04660b00ac041522a9a7abc1

  • SHA512

    e578670f3dd33b828bbd83b130af87d68950acb450bcbd31e4ae4388d15b448c0942eee81d5a71c8a66102c882e9b130f225fbe7041527b0d2958aef785dd8d8

  • SSDEEP

    49152:njvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:nrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6218ad3b70f0e78e207f1f20073a1e10N.exe
    "C:\Users\Admin\AppData\Local\Temp\6218ad3b70f0e78e207f1f20073a1e10N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    9a0c1562ffbd86a32e98d3cd6b35dac8

    SHA1

    a633fb59091e3f7b01ed3ab7953f288231a0a898

    SHA256

    af5d70846f66bc0cded974a0b951e240f3ebf5f69edf766b074eaddf0fbfc629

    SHA512

    afa6ad03af91c64592db67290fa7b1bb621b14827f3bec46b5b379e16c4c7d6c1e3625c5e99f32719f78c497deb32dbec4faf21d4a7a5117a944d39c7eca59a5

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.3MB

    MD5

    ade0aec5d584821af33b521202bcddbf

    SHA1

    8cb4fd352b08a2af7dbd64d650ca1712ca35afdd

    SHA256

    2b928f3f1bb9cf7c38868db05b6c38d16c52009966c2f1cd09752f32a204d876

    SHA512

    bca1f1ec563b06b50bcd0c1ffbcec142431ff047d0d87310c575dc48050feba27c7f99170c3298fca5d0cb472de9d8dac21dc13518b48ab5bcf9ca22db91ae51

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    c25e3ce5fe2bbb334c888bf6f16b7b95

    SHA1

    871cabb2f19bf52512027a206693e631f5003099

    SHA256

    9011acfce4ccd365d306b4f70304779baca0a14a8cbd3dca88149a86414f8fc9

    SHA512

    cb4e86d470fb1e3f57a36b7186d76512d4d53e6deb3cf773b96b3d1e07b918b186e1653e49fdd7ed5035d943b449ad154d6efb9fd8513194cce720bc2d8479ee

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    18d4835288e0c4ace270fba2c6e21bc6

    SHA1

    a7611bd5e5778e2a94dcb7ef86baea6f4ea4d9f0

    SHA256

    c90a16af63c0c6dfc5237ebf57efa9ae0a06c03bce6e1dfd19acbce959b5e028

    SHA512

    2f5e0e6cbf0c298cb7f7e4dda7f451d39fc1b1ec06c9af01bac202f97fe4e96fbb63653396a17a02c3331ce553f7204316f315492db7ad2443b073800650d803

  • memory/3284-22-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3284-29-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4288-50-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-45-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4288-64-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-62-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-33-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-60-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-35-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4288-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4288-58-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-42-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-43-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4288-56-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-44-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-46-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-48-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-54-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4288-52-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4552-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4552-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4552-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4552-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4552-32-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4552-27-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB