Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2023 02:18

General

  • Target

    960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe

  • Size

    994KB

  • MD5

    38b37b2b72f6071cf8345c05af05fcee

  • SHA1

    2f42183fa45551194a1d1d0b5a10f0a91116212f

  • SHA256

    960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece

  • SHA512

    b56315744d10d81d2a393373dc65da93f0f4b2ba48253833d3faecd0ec7a550df3d80ab45d242dfa3e42c1728447b74492dc26b9c9a4ca66e3544cb1aae8d24b

  • SSDEEP

    24576:Qdla9gYmncCehCF2BEwT/5PrQLeOjQ8WEA48VEfxnvt:yQ9R6ehTUPjjrSVEfxnl

Score
10/10

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe
    "C:\Users\Admin\AppData\Local\Temp\960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe
      "C:\Users\Admin\AppData\Local\Temp\960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe"
      2⤵
        PID:2580
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:2940
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece.exe" "C:\Users\Admin\AppData\Roaming\snto\snto.exe"
        2⤵
          PID:1044
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {24EE40E9-F7F8-4C1E-B0EA-D9B12C07189D} S-1-5-21-722410544-1258951091-1992882075-1000:MGKTNXNO\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Users\Admin\AppData\Roaming\snto\snto.exe
          C:\Users\Admin\AppData\Roaming\snto\snto.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2820

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\snto\snto.exe

        Filesize

        994KB

        MD5

        38b37b2b72f6071cf8345c05af05fcee

        SHA1

        2f42183fa45551194a1d1d0b5a10f0a91116212f

        SHA256

        960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece

        SHA512

        b56315744d10d81d2a393373dc65da93f0f4b2ba48253833d3faecd0ec7a550df3d80ab45d242dfa3e42c1728447b74492dc26b9c9a4ca66e3544cb1aae8d24b

      • C:\Users\Admin\AppData\Roaming\snto\snto.exe

        Filesize

        994KB

        MD5

        38b37b2b72f6071cf8345c05af05fcee

        SHA1

        2f42183fa45551194a1d1d0b5a10f0a91116212f

        SHA256

        960c5e14181f4b5bac1b82c9367860d6f30fa0a4e7cf848cd523b3a3b7268ece

        SHA512

        b56315744d10d81d2a393373dc65da93f0f4b2ba48253833d3faecd0ec7a550df3d80ab45d242dfa3e42c1728447b74492dc26b9c9a4ca66e3544cb1aae8d24b

      • memory/2156-0-0x00000000002C0000-0x00000000003BE000-memory.dmp

        Filesize

        1016KB

      • memory/2156-1-0x00000000746B0000-0x0000000074D9E000-memory.dmp

        Filesize

        6.9MB

      • memory/2156-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

        Filesize

        256KB

      • memory/2156-3-0x00000000746B0000-0x0000000074D9E000-memory.dmp

        Filesize

        6.9MB

      • memory/2156-4-0x0000000004F10000-0x0000000004F50000-memory.dmp

        Filesize

        256KB

      • memory/2580-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2580-8-0x0000000000080000-0x0000000000128000-memory.dmp

        Filesize

        672KB

      • memory/2580-15-0x0000000000080000-0x0000000000128000-memory.dmp

        Filesize

        672KB

      • memory/2580-7-0x0000000000080000-0x0000000000128000-memory.dmp

        Filesize

        672KB

      • memory/2580-5-0x0000000000080000-0x0000000000128000-memory.dmp

        Filesize

        672KB

      • memory/2820-22-0x00000000746B0000-0x0000000074D9E000-memory.dmp

        Filesize

        6.9MB

      • memory/2820-21-0x0000000000380000-0x000000000047E000-memory.dmp

        Filesize

        1016KB

      • memory/2820-23-0x00000000021D0000-0x0000000002210000-memory.dmp

        Filesize

        256KB

      • memory/2820-24-0x00000000746B0000-0x0000000074D9E000-memory.dmp

        Filesize

        6.9MB

      • memory/2820-25-0x00000000021D0000-0x0000000002210000-memory.dmp

        Filesize

        256KB