Analysis

  • max time kernel
    129s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 20:35

General

  • Target

    318ca44c88998a2f54ea5e5ff85010481e0bbedfe2f71320483ed34fe7a564bb.exe

  • Size

    2.3MB

  • MD5

    6795e1d303b6ffa9b9fdaeaeac35bee7

  • SHA1

    373734016d1261151b632f5ca17914eca92e2821

  • SHA256

    318ca44c88998a2f54ea5e5ff85010481e0bbedfe2f71320483ed34fe7a564bb

  • SHA512

    69bcfed71817c187aad2a2a9edc6f0912b1191182d8fdee048435c17f87d8d117904f6cb66bd5f810e2581fe93c0c21dfd250e107f8c9eafdd1c4d90c2511b4f

  • SSDEEP

    49152:Bjvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:BrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 12 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Program crash 1 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\318ca44c88998a2f54ea5e5ff85010481e0bbedfe2f71320483ed34fe7a564bb.exe
    "C:\Users\Admin\AppData\Local\Temp\318ca44c88998a2f54ea5e5ff85010481e0bbedfe2f71320483ed34fe7a564bb.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:244
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • 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 AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1488
          4⤵
          • Program crash
          PID:1520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2216 -ip 2216
    1⤵
      PID:3968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\ctfmen.exe

      Filesize

      4KB

      MD5

      36cc381d3f2f3cb6897eb59d63dd2e52

      SHA1

      56efcffc2bd3be91521fbf710b6aed5d930bc5fb

      SHA256

      f456701a43053da8679c37ed0e71115905729f5762708b33a24251ee224f084a

      SHA512

      ed9fe604e435f57cb8d3d071ec957a0745179025c191043f70cdedad0c91ef17f046cbc4c967521586d3c84d2172ede4883db098e0f6f988c2b434aafba88661

    • C:\Windows\SysWOW64\grcopy.dll

      Filesize

      2.3MB

      MD5

      df75593a6dd20170254655851fc91d4b

      SHA1

      ce832ed043b09780314f407e3fa21262ebbeef1f

      SHA256

      a68b1b44ada62da6ecae33ce919f5aaf9d9d93d6266924e6a646148cb76b9c7d

      SHA512

      6dcc0ad6e3cc5a21b02dadf7a31990448cb4106bc5a9e6d8951294b681ebe95e5693bb2164bfee0e596ed4a8e1e6f885ef5fee9af862591e053093ab20af9e37

    • C:\Windows\SysWOW64\satornas.dll

      Filesize

      183B

      MD5

      fbdfa8234fb326b811a8cc618139f2fd

      SHA1

      79ea4bc9b8d2fac86649b22b1f4c774471c538b3

      SHA256

      db281ed28711e879b187d826f7836d84a548e04051a9122d7f05dabb21f064ce

      SHA512

      f961daa0bdb21b2a06c6b0501eaf66267b121adadd2b281e3ad637a59716bee14ab4a7552acea81685d33c23fc0b029f7d7f2ace922b2453d4ec4c5ad8be2f52

    • C:\Windows\SysWOW64\shervans.dll

      Filesize

      8KB

      MD5

      d7340b5785c02b177112e8d873a66ad1

      SHA1

      0a9803e5d2cb20e3c3daf041973fdc30aa9f1e07

      SHA256

      95da1b46d9835dd24d4ccbc82f1d12e64f1963c2a66f421e57e5e5d70a7a254c

      SHA512

      6cb403cd350dffc5758a0a8899a4522b85d3d6a57d3839b65cc11ba5c559b2ee44b97799c4a55ca2387985cbf7d6423a40d679e5c5a4b5323fda99dbddf5dd3d

    • memory/244-29-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/244-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/244-17-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/244-25-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/244-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/244-32-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2216-33-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/2216-34-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2216-40-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2216-43-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2216-42-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/2216-44-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/3652-28-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3652-22-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB