Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 19:54

General

  • Target

    f14a1f82a275374a6dd60768a06c0420N.exe

  • Size

    75KB

  • MD5

    f14a1f82a275374a6dd60768a06c0420

  • SHA1

    c1a259bbbc50fa57096ccbaebea2d358d1ac0dfe

  • SHA256

    a4994460a81c23b2b29b6515d014b0ed11b8e23588d14d8551650d609bcd96d0

  • SHA512

    a5607ce5cf262f02bf66dbd5eebeedc004191e721ad3698f4ec5acaf63a8848f77fd5f4720cdc9d14c2c0639435ef198906ec519241881a03cbddf23cfada240

  • SSDEEP

    1536:Xx1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3v:BOjWuyt0ZsqsXOKofHfHTXQLzgvnzHP3

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
  • 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f14a1f82a275374a6dd60768a06c0420N.exe
    "C:\Users\Admin\AppData\Local\Temp\f14a1f82a275374a6dd60768a06c0420N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3920
      • 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
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:3316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\ctfmen.exe

          Filesize

          4KB

          MD5

          e42f18a2b538e3263ee5f9fab037e363

          SHA1

          ad09f6d49c8535796e3e37b68312a3deaf38bb54

          SHA256

          f26544cd97e517b91c6f2d6ab35bb0487acdd2dcd03b99d28c5e93923585529d

          SHA512

          ea5dc6b4683aac12b8c2430a5cc32fcd94def4d71fa7482ac527aec913d45e359c5fcc16db5a1b0fd8c55fb1e80a1e6f56dce41f440764876c12e428bac762b0

        • C:\Windows\SysWOW64\grcopy.dll

          Filesize

          75KB

          MD5

          62d47bf1830b76e912911d537548a9de

          SHA1

          f785fb9d2ab5ebd4b243de7e4614b72c41841970

          SHA256

          f83309347804507b0c2c2b3c8dab393afa904e6692f9cd11cd7381628302f0ad

          SHA512

          59ceec976ada14aa39beeb310d6b7c9a809830a83c8d4e927272c69029f86ce628bcc1a62118bfec036bee35319eab587f4d70575d5aa0314bcf55df6000a45b

        • C:\Windows\SysWOW64\satornas.dll

          Filesize

          183B

          MD5

          351c77c18e8e4356abddd71fda16e9f8

          SHA1

          617f5d5f480590bec5d1c4db74ff1b9e48b9fe30

          SHA256

          f997abfe5770a0c626f4a807749e5fa8751197253841b5055a65f7887d6db5e0

          SHA512

          105a7f5db6705926228fb3c97bd10cd2c083382555e171e398418a8c1f7241b49ea6adb50c5837e608c823142d50451879185216ce33e50b8d85d71c65678172

        • C:\Windows\SysWOW64\shervans.dll

          Filesize

          8KB

          MD5

          5e3dacb83a033b356736b2b5b4e153c8

          SHA1

          c8493b56f2bfcb54c1efb92bf4551aef9ee5065d

          SHA256

          6ff6bbf7e5c17c4994fa57ae5526a63837e74ec29e74e83c3f7bb0982f89723a

          SHA512

          0354552e496810eec6398e58729609d228cb75137c532b401060cd7fcaa39a66d7200228b6e4ff7be265e67380561f7f79ec8e11d4b41e5ed2fef01e8a2691c3

        • memory/3316-47-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-43-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-57-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-55-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-53-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-36-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/3316-37-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-39-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-41-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-51-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-45-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3316-49-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3920-28-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3920-23-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4412-16-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/4412-22-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/4412-20-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB