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
    19-09-2024 06:13

General

  • Target

    aebb93f091048c945ce3fbfc0c71e5e52c2732ffceb193e4c86a0bb91b499c82N.exe

  • Size

    2.4MB

  • MD5

    160a102561c4e6e216f190f17f5a1ae0

  • SHA1

    6e8cc6300c090aa20bc38047f8ce4d2f1703b031

  • SHA256

    aebb93f091048c945ce3fbfc0c71e5e52c2732ffceb193e4c86a0bb91b499c82

  • SHA512

    fbf5beb0a8b2ad24afb26cc1fa00af69f4fbdeb95fc96d9706b4efa21a030c80e7ce5e9d7508a731ad6ce869f6fd9f0924cf3ae74397098e3c919b2371f24e1f

  • SSDEEP

    49152:2R/laMbYAp7s5nceEv7MuGOe4jPyTmE7ZIIKR01GSM8prnoo:2RNvpAceMjGL4jaCE7ZGCxh

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\aebb93f091048c945ce3fbfc0c71e5e52c2732ffceb193e4c86a0bb91b499c82N.exe
    "C:\Users\Admin\AppData\Local\Temp\aebb93f091048c945ce3fbfc0c71e5e52c2732ffceb193e4c86a0bb91b499c82N.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:644
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3196
      • 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:3232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    bd7e8e6b353085f1d28dd15f7ddb460c

    SHA1

    ff3b9f7a6a3eb7bcb392e486d76e54f72d27392a

    SHA256

    afda6938ae5b6183534845386979632170f24514464f902a25aadee35ad803cd

    SHA512

    9e64b482ffe28f1ac2cb7dd8dd8b96e232e4d2af007cee7529a59268ffc438dcdb9b690d4b7e51702959c0eefff42a303747d9a7ba4637aa2605d375258d1a81

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.4MB

    MD5

    8476627c96f7ce7913c39d4536c08273

    SHA1

    fb811d758b7dbf6cf9e60057367ba5f02712b1d2

    SHA256

    812353bbfa95a6082f0d5259c4ab51469a12afdac5ab6785fd3a88e48cf75fa9

    SHA512

    d6dd0d7cb6651f11c92080e136a42cc154703580a4f192f25cc4c741a307d118509d0500c8af3987b078274be76f2347e24c046184d312aba326a5e2ed4bbb75

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    46b60d253eafc2f0f0c0f7eeb374f216

    SHA1

    d63b7476b05847ae40d61bb97333593677d63f04

    SHA256

    f2408715035354b22542a8f754aca2f5019329c5fd35d9baa0b6d70c174b8193

    SHA512

    f929cb26bc801b750b9b8e845ffa91bc97fcf4a9759a94453320d30cb2142a9b47456acadc20f7898be7d3efa00de7400fc300d33e093c31693f493401840ea7

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    4dbc5abe0e7a5fb677be4365a7227c41

    SHA1

    86ac7a5677c7ca42a306672589c58da92a888c84

    SHA256

    d16fb8f4b379c6955d944409afd4536e7820cf551e8ff52404c88b1218952b68

    SHA512

    02d417e7b7663c51b8f9d32c2a28175f18f9e0e6a5d28d6ed81a1a038d89aa74773d13c1fe5c4c382d0fa97eb4c7a571c6fdf592721cd996eb803df3b03a36c6

  • memory/644-24-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/644-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/644-0-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/644-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/644-31-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/644-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3196-22-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3196-28-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3232-44-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3232-49-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3232-41-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-42-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3232-32-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-43-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-45-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-47-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3232-51-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-53-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-55-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-57-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-59-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-61-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB

  • memory/3232-63-0x0000000000400000-0x0000000000DCC000-memory.dmp

    Filesize

    9.8MB