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Analysis

  • max time kernel
    114s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 22:26

General

  • Target

    8e4dc9331958fe14d7cdc81df302b3c0N.exe

  • Size

    2.3MB

  • MD5

    8e4dc9331958fe14d7cdc81df302b3c0

  • SHA1

    168b6dcf39b9ffe04c67ad993577cdc83c5974b4

  • SHA256

    7e81025ca0acfaaa31d9f4bf49bab1dcfc67a767f80edb4dc83b995397def1d4

  • SHA512

    573adc4c9f800449dbb7b7ea4d2ec153388828232814482ef2ecd8664e82026128a81b1c45a49b5f5876b04cbced17e2d940c26dc61ecabc5a2c755d63a759bf

  • SSDEEP

    49152:d8F4GBYEFMfVrt0HdZyZUKIKp9/bIA3e63wDknToN58zkfwHuVfcu5ZJFKsnfKUn:d8F4GBY3dR0HHyZ9p9DIAvADkQ8gfwOj

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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e4dc9331958fe14d7cdc81df302b3c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e4dc9331958fe14d7cdc81df302b3c0N.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:2136
    • 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:2392
      • 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
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 908
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    28e10f54dc7fa1f3626caafcb9f5148f

    SHA1

    fdf10d6301c6962dbf88b2fe520ae6559d38c3d4

    SHA256

    bf4da2eff89ca32d665cdfe66638e65465bc759904a07591a448e1ef815ce38b

    SHA512

    0f76e7bca025434626f7efd9813ae96241a18d8f9c57bcc7aef355fabd35d01c51ed613f0e7a8fa9c372a809c08291c470def0e5e83c46d49dedfd1d12105ecd

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    e0516023ab708c0d8b467d1a8f5bba03

    SHA1

    c3ff63e86349cbd338c641afa9890f5f81561286

    SHA256

    3e7189ffe5f2f60f96790e182193bdf3e33676c34160e42738c06193def5fb12

    SHA512

    6dbac9927c68770e3f26181d5da6fe675322a7a80357b5beefbf95f9be6c71fc3168e106a9c62f11b140b860c9063710e4e83218bd86cf840f64f5be5ee7f6a2

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    a11876e1916c21ae536bad8cb222ce3f

    SHA1

    397bd9c5f03fc78280b9cc7c2a755ac53a292d75

    SHA256

    cc2107ab049461182374065ec81a12acbf003ac34b0a9e95f42dcf3cac499361

    SHA512

    2692255db3a806c35d133cf3bab58d84da3c4dacb4f1603dd7bdcc022761f861731c22296b43785d1c100a68909d0d11631b00fa565b87185d9ee79299572a57

  • \Windows\SysWOW64\smnss.exe

    Filesize

    2.3MB

    MD5

    6987bf24387434755b0208788384c158

    SHA1

    ef14e44c1e804681a26bf9e8fd32710ca2384333

    SHA256

    b1d317d3bf8db9abd24713f4d6bce273c76e27cc9b85a1093b7e29b27b96359a

    SHA512

    c5548242160460279af22c4ce8484b4faf25aaaf4400042cc740c47bcb48ff39b38cf85232dba2a5b7088fa0a59ea021bc2daaf7e3ee679e4f7f233a466589ef

  • memory/2136-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2136-2-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2136-13-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2136-26-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/2136-0-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/2136-20-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2136-35-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2392-32-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2944-34-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/2944-36-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2944-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2944-47-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB

  • memory/2944-48-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2944-50-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2944-49-0x0000000000400000-0x0000000000DC2000-memory.dmp

    Filesize

    9.8MB