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Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 00:36

General

  • Target

    9cf1c619ea2aeb90c186535ba62fc790N.exe

  • Size

    2.3MB

  • MD5

    9cf1c619ea2aeb90c186535ba62fc790

  • SHA1

    4d33f59e374413cc266bb33cb4befd920d87a413

  • SHA256

    b8e597e466a6c498e25678b69dcd8abb81b24ab7174799c5829fbb646589e36f

  • SHA512

    a3b458733c2ac386f506f64c443aefa9551517c7d19ba2f4b297d9ebef1b5648670c26b310062b00843d13f2a32bd1dcab4f88386335845d11aae90b306a2da1

  • SSDEEP

    49152:m8F4GBYEFMfVrt0HdZyZUKIKp9/bIA3e63wDknToN58zkfwHuVfcu5ZJFKsnfKUn:m8F4GBY3dR0HHyZ9p9DIAvADkQ8gfwOj

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\9cf1c619ea2aeb90c186535ba62fc790N.exe
    "C:\Users\Admin\AppData\Local\Temp\9cf1c619ea2aeb90c186535ba62fc790N.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:4024
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2776
      • 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:3720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    69cc78b79117d257c7eb303ac1e6a48b

    SHA1

    fbe8f453c07bc06c930eb4c2a03dd8120d99906b

    SHA256

    630e73c47caf5b82f27a21ff7e8b8c1ff5c5fe01250e1e21d9093c118cf9b6ee

    SHA512

    e891c7cc95b204a7c01a42df0e6f8d12568e03bed1ceb1ec2f7362c1ed8e82a6339762bd3a9dad40eb965914c7c30eed4dfb8e6cde8915059b2b3de768f20c57

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.3MB

    MD5

    940b0ae4d9a6b579bef14ae55fa3dc5d

    SHA1

    628b8d3124a757354eadcdcdddac036a44ce21ce

    SHA256

    04175e4233a4a006d4bc06c84a17b45761374aa2b54a32d089c6dbc29243365e

    SHA512

    5f1dc7e9e35750562f81c577ca9dc722f09922c44c9cd7a790a5076520e74a0b28b1f50980431c56a6e2300555b60b44d18d401060d7d66f7e7d5e81f84e5c8e

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    056c3a1a471f3f68705c7cf2fcca5a4f

    SHA1

    f1f653f48160dd952194984db3d3419842df6fd9

    SHA256

    f51a89a260681e1563cb34e24272212dc183c9c5e92b9b2308257224bcd75bc1

    SHA512

    5b671d24e9384f5da4bda5cddc81236f95bd6f07bdceb0cc2ad8ea82739ccc34938dbd23af7ba6c48cc36e9eea71cb579f80607d6f5c1ae173257690e47c62b1

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    7365661a676c654a2ea18268330f27b6

    SHA1

    76ea71449ccb349315aa71e1e7e160d6dbff3f2c

    SHA256

    ddd302c0ddea710186cfe6fe3efc0c4496b0057c35962e4b22c4b6f7df7517bb

    SHA512

    a2b9a1d1e32f7153b9b9686d877012c68822001bee7da1d10aed23fecb2cc25a80e4953fefb3150c742178fdc2b2dc0be3dc54056db54c56563b1c66293e11bd

  • memory/2776-23-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2776-28-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3720-49-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-44-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3720-63-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-61-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-59-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-32-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3720-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3720-57-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-41-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-42-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/3720-55-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-43-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-45-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-47-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-53-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/3720-51-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/4024-0-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/4024-24-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/4024-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4024-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4024-29-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4024-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB