Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:29

General

  • Target

    3ab79ea70aeb605157c65bc5fc83cc803c8eb15e65780ba1d68807fdfc31ebffN.exe

  • Size

    75KB

  • MD5

    bcca47da54d142c7b9457c33a6ef6480

  • SHA1

    3b878e2149febdb5b07ed2f0c0ea61817cc1830e

  • SHA256

    3ab79ea70aeb605157c65bc5fc83cc803c8eb15e65780ba1d68807fdfc31ebff

  • SHA512

    8b639d4d1cc25f64b38c328736349db5f5fd4550928e561eabbec0432ab8abb1713c5d51eea81c75a9676f4a03f57fbebde4d33b79614d936d5b0f72c5c002d9

  • SSDEEP

    1536:1x1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3B:fOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPp

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 6 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ab79ea70aeb605157c65bc5fc83cc803c8eb15e65780ba1d68807fdfc31ebffN.exe
    "C:\Users\Admin\AppData\Local\Temp\3ab79ea70aeb605157c65bc5fc83cc803c8eb15e65780ba1d68807fdfc31ebffN.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:2508
    • 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:2368
      • 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:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    23ee6572a8e1a2d3ed156f8da43276de

    SHA1

    6fb85c833369cc4f03615c9424a900d5508be10d

    SHA256

    0e5bef7d2a89114c4ff12d2c3e9af3f7a9763041269b1fa2781ce05b3532be9e

    SHA512

    e1cb7c0c3467cdf203318f5d86d9425b2ce99aedb30d45364341171ec265d62a8864dd6e4c020e2008ef15eef196c37ebc516013b75fa56503d4e316ca51af55

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    088fa6bee269ba0063ed207212e31377

    SHA1

    6b927117e1a04f28a35de85003ecd94c7230acff

    SHA256

    18f38b384b3767080d7943fe63cce7bd2f538a440b077297d4990b5dd81ffbd3

    SHA512

    39d0ded9127cbb712081af7a98f395675af39c5373ef8dabbbf7c5172af9ab027d532c04aa776119ee96f34359d61e2df09ed650d4aca45d36d7fee1ad36003e

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    a5f20701400c64425295efe014d3aec8

    SHA1

    442eb6d8f5adbc9eb929611c7adeabd7561895d6

    SHA256

    819c6d47da136266933ed14000b02d89a7f208fa8bd8856c94b07cc7282361e6

    SHA512

    706f201ac335d9f8fed1eb7e786a5456adc920b70e59bd25d6cda1d3a66a2d3f7449e1cedabea1fec01ada806e232cc54e8d8a2f1c64397fa773661cd7689d89

  • \Windows\SysWOW64\smnss.exe

    Filesize

    75KB

    MD5

    1a18b6bacc481d284bbfe215b935430f

    SHA1

    5fc78d90aad73d1e3f2c441281a33473fffa2fe3

    SHA256

    815c26b4bcefb500989bb81251d4d98ab905439b74c625b54cd1db8f169f0294

    SHA512

    d01437f0b8baf48c29e961641bbc7ef83974e2a7f8f61c3d2efa10abca4d2c50ac0db3bd178b9536a650f2df6b1fac6cd181e3f219371d4bc0eb9c270ab33043

  • memory/2368-27-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2368-33-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2508-11-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2508-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2508-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2508-23-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-40-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-41-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2776-42-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-44-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-46-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-48-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-50-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-52-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-54-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-56-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-58-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2776-60-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB