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Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2022, 01:33

General

  • Target

    918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f.exe

  • Size

    112KB

  • MD5

    4674566e25e78bb4f4ab7a8a1c86f9cb

  • SHA1

    adb83767f85dc9e6270ca934c51bd87203816086

  • SHA256

    918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f

  • SHA512

    9e5ba5a481f7f4c7671615b1861f077976e76a87467b5fe1a45556b68b2e78265ae9cf1a484bd83f3f1ff4f8f56cae1edfad864f80201f80e81d9ae1c99bf318

  • SSDEEP

    1536:kr4vEtHYKKSYP8mxBsEQRn2BkRd4Kp1xtHYKKS8D:kReKKSYh4Eimym2xeKKS8D

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f.exe
    "C:\Users\Admin\AppData\Local\Temp\918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Program Files\sytre\ksoft.exe
      "C:\Program Files\sytre\ksoft.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1772
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\918C7C~1.EXE"
      2⤵
      • Deletes itself
      PID:1984
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:944 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\sytre\ksoft.exe

    Filesize

    112KB

    MD5

    4674566e25e78bb4f4ab7a8a1c86f9cb

    SHA1

    adb83767f85dc9e6270ca934c51bd87203816086

    SHA256

    918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f

    SHA512

    9e5ba5a481f7f4c7671615b1861f077976e76a87467b5fe1a45556b68b2e78265ae9cf1a484bd83f3f1ff4f8f56cae1edfad864f80201f80e81d9ae1c99bf318

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\41Q1OE7B.txt

    Filesize

    606B

    MD5

    9c196688cd0c9cf998898dafa663e4fa

    SHA1

    4ec4c543ccb335381840e95af671e3fbef1c1806

    SHA256

    1e83e23394df0f4694b9fbf711d586089f61a8aa48d7d8cc7c95ab8eb1e01791

    SHA512

    4560f965041e27f8b6738c86edf7f9d6e7245c2f762cf1cedb8cf72278c856d8a7b36035e34208f238ec8ebc008d2e5cb7d0d76b325f58dce91c050a52cd27e7

  • \Program Files\sytre\ksoft.exe

    Filesize

    112KB

    MD5

    4674566e25e78bb4f4ab7a8a1c86f9cb

    SHA1

    adb83767f85dc9e6270ca934c51bd87203816086

    SHA256

    918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f

    SHA512

    9e5ba5a481f7f4c7671615b1861f077976e76a87467b5fe1a45556b68b2e78265ae9cf1a484bd83f3f1ff4f8f56cae1edfad864f80201f80e81d9ae1c99bf318

  • \Program Files\sytre\ksoft.exe

    Filesize

    112KB

    MD5

    4674566e25e78bb4f4ab7a8a1c86f9cb

    SHA1

    adb83767f85dc9e6270ca934c51bd87203816086

    SHA256

    918c7c0359cf05bf076302540d40c4131ac09fbbf2d734b6119a4f5cc2397a5f

    SHA512

    9e5ba5a481f7f4c7671615b1861f077976e76a87467b5fe1a45556b68b2e78265ae9cf1a484bd83f3f1ff4f8f56cae1edfad864f80201f80e81d9ae1c99bf318

  • memory/1772-62-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB