Analysis

  • max time kernel
    119s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2025, 22:23

General

  • Target

    51a31cbbdf41d9b29044d07a8f12293ce8a0c9c0b6f2efbfea62c18a321283ea.exe

  • Size

    195KB

  • MD5

    3b76ea733003ab39d0c2b8762ab11bf0

  • SHA1

    d605ba5122feea002f525c13fec78b32e6703d91

  • SHA256

    51a31cbbdf41d9b29044d07a8f12293ce8a0c9c0b6f2efbfea62c18a321283ea

  • SHA512

    445a39910a68a206ad566a0aa04f8193ae155cfbed7b0d33f511453bc38aaf6f15f32503f8c80cd9209438f1563738d675a11021259bbc89b0df68cc06488541

  • SSDEEP

    6144:JIs9OKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPFsEPAsKCyOd:wKofHfHTXQLzgvnzHPowYbvrjD/L7QP7

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 9 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
  • Drops file in Program Files directory 64 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51a31cbbdf41d9b29044d07a8f12293ce8a0c9c0b6f2efbfea62c18a321283ea.exe
    "C:\Users\Admin\AppData\Local\Temp\51a31cbbdf41d9b29044d07a8f12293ce8a0c9c0b6f2efbfea62c18a321283ea.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:1876
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • 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
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 796
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\satornas.dll

          Filesize

          183B

          MD5

          7b11620471bf8853d4ed722fe1de3cbf

          SHA1

          4b2db6e0dd666e98c3026ef90446df2cc425c72e

          SHA256

          7eac7146cafbdbed05adad84c1b9c2b75fd43b17e37f04395e124351ddeacb95

          SHA512

          644dff32bbb560952b4fe98df5c90e998af80e22f1dd4f2a87353378dab434cccf73c68bf09a25a1843152c8c8c54acfa4ca6cf47f7b970623c40abfd580e9e6

        • \Windows\SysWOW64\ctfmen.exe

          Filesize

          4KB

          MD5

          fd187149680f9ea8f6f8954626dc29df

          SHA1

          f670da46d779c198ce7f585fa3cacef606c2b905

          SHA256

          9e10268a58eb84d7bbc14157a404a1971088cce2abf67b6bb88e5a41122c5a73

          SHA512

          a663a8222f3a6448efd754f3c37ce0e674be4e06d32898c7bd7128ed135c60d570cadec3bcdb2ac99beb3a01f1d250d7608ac7a343632b70d5f4b78093480b0a

        • \Windows\SysWOW64\shervans.dll

          Filesize

          8KB

          MD5

          8f38ecbc549b5b3715611ffd4467efa3

          SHA1

          f975f3fd4476cf44ad32acb5d44f401c05f7910d

          SHA256

          849686cecb6eac45acd5cabd320034d6b09c17031e620ab559d89adf667d5ef9

          SHA512

          f2cebeb24fe0e2569f0e86d19a1d343349e47d77a3e91b5bb98c867c9ba521e1d6a5048da513834d171322e38eae670f206ae27221d77d3633029cdf2d6fa939

        • \Windows\SysWOW64\smnss.exe

          Filesize

          195KB

          MD5

          242b3e51371db461b2812c06b3d90988

          SHA1

          ee6dacaf84dd5ce6cd70581cfd9e56622badcc43

          SHA256

          20c53dc5f672e723080fff553e61797c39018d4745c24e4395adcebdb53d3155

          SHA512

          20e4282a9bdec9e6a6606524b307bc1a664e633006d2c0fe997899d2ea9dfe839dfda309f071522739b0daaa2bc2f9d0dc2517b23680e0e3308ad4a7bf9b704b

        • memory/1876-27-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/1876-25-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/1876-0-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/1876-18-0x0000000000340000-0x0000000000349000-memory.dmp

          Filesize

          36KB

        • memory/1876-12-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/2884-33-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2884-40-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2884-44-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/2884-46-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2904-26-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB