Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 22:31

General

  • Target

    619b9fba2c8388854993e4daf83dec16a76449759751ead02310c9e300d8bd08.exe

  • Size

    2.3MB

  • MD5

    355697f4ebd7fad555f7839cc8e1cce0

  • SHA1

    4676dc43a39b4f817fc21dbaa9d95997bd11d102

  • SHA256

    619b9fba2c8388854993e4daf83dec16a76449759751ead02310c9e300d8bd08

  • SHA512

    fa70d4c24e9c51c25016b292cfdc1a38c80dcb524313d1e8ccc891c088f311d48c2f54be5424595b726c79730e6d228389d8d5f874c0ab8c0c3d575752029ee9

  • SSDEEP

    49152:fjvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:frkI9rSjA5aDo73pzF2bz3p9y4HgIoov

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 17 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\619b9fba2c8388854993e4daf83dec16a76449759751ead02310c9e300d8bd08.exe
    "C:\Users\Admin\AppData\Local\Temp\619b9fba2c8388854993e4daf83dec16a76449759751ead02310c9e300d8bd08.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:4440
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1724
      • 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:1796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\ctfmen.exe

          Filesize

          4KB

          MD5

          d3e4830e54be0a430172afa4c03b992e

          SHA1

          c7591a025fd623a5b8375717dd9676d6d99d6ec5

          SHA256

          1a1503a6083017ee323b86bbb5f4509bc2693ee204fa2e99e240c1d710b942ba

          SHA512

          48b938df93e0008961c186faa4932bb155cbc2e6ecc6d5946e4293a4a7ec077dd5b9f5c87433e82385b40c1c5efa3dd3a427671970399e3d7bf24047a8fe17c4

        • C:\Windows\SysWOW64\grcopy.dll

          Filesize

          2.3MB

          MD5

          fe7b85d5dce86b892520bc4bd3296236

          SHA1

          e48f760aa1094469fb421989e2a8485b6a25d96b

          SHA256

          19b7993725dae06976449898ed52926219340fad63c42c1ce7f4babdc0c8a1d0

          SHA512

          2dfdef63572117109ddc9ef34cd48d0cfd97ad37dcc004a0e4edde34641ef95f7f0c48e6a780c4858ba1a03abdb6b2d498a9b4184705d86e22cefe7a49f7c8cf

        • C:\Windows\SysWOW64\satornas.dll

          Filesize

          183B

          MD5

          6095824e3575bd5424f140633133b105

          SHA1

          7693fad1e0696bb89260a491f4669e931fda1d50

          SHA256

          6507cc1e6de2c20cdf1ffdaaf5041bfd6e4c96d94f92b92c7374bb1d864fa402

          SHA512

          b73fb7f70b8c85859ca5ffe26b2a43e80bcd1b72e3138fb28cc6b15b012396b3b5b6fbf4bd4f457ad3064357287ea3b24589bff657032729f6f500027fe176fa

        • C:\Windows\SysWOW64\shervans.dll

          Filesize

          8KB

          MD5

          a1a11624808960a886118ee5497f416b

          SHA1

          97185264ff3bdda7a6a8d72083e8e01d729329e3

          SHA256

          b86ab63525621a0fe468957790fa953c831e2222e1a476ce009ac524b03b07bc

          SHA512

          9d23fe28bbbf4fb01d78d89ea0de5793254ce8c0ba9e3daf9c52c02a5bb1890e3284c02b2dbae27599257f54b0842e407530a4a2a7fa48396396393350a6ed1d

        • memory/1724-22-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/1724-30-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/1796-55-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-45-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-69-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-67-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-65-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-32-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/1796-39-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/1796-63-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-41-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-42-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/1796-44-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/1796-43-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-61-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-47-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-49-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-51-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-53-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-59-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/1796-57-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/4440-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/4440-23-0x0000000000400000-0x0000000000DCE000-memory.dmp

          Filesize

          9.8MB

        • memory/4440-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/4440-14-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/4440-31-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/4440-25-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB