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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2023, 08:59

General

  • Target

    b80d72430f7226ad5145c1283ab40061afc470f1767a90699bb0372e804747fa.exe

  • Size

    6.8MB

  • MD5

    a338b3338c6ca2888ef6843afb89515a

  • SHA1

    d45c6ad339fe1a708fbd811ca52d31ecf2c86046

  • SHA256

    b80d72430f7226ad5145c1283ab40061afc470f1767a90699bb0372e804747fa

  • SHA512

    e4b7535eda93efdc587477416d4e21722970e70eff491bb4e1c5eea4f60cadecf944f7c05a4789f833b72fbca35c419a3c26dc879f51710bda0c203a4ad7ee9e

  • SSDEEP

    196608:yc2vkt69o1hyHzmsqS9aDALI1Yu3fkPynV7w/VTDdq:X3h1oCCIsLnL+NwFDE

Score
9/10

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b80d72430f7226ad5145c1283ab40061afc470f1767a90699bb0372e804747fa.exe
    "C:\Users\Admin\AppData\Local\Temp\b80d72430f7226ad5145c1283ab40061afc470f1767a90699bb0372e804747fa.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:2872
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PerfLogs\Admin\READ_ME_GET_HELP.txt

      Filesize

      1KB

      MD5

      6f7d6d96344dbb29328761de2b5e5aad

      SHA1

      cda3b34095bf3b701b370a25c9c0e6c6adab3311

      SHA256

      700e91b80b845a205abd578f4798024ca01bc41c40b3f5d9ed94f7375232ed22

      SHA512

      d5b5724da1efb661d010b5d625da5db6304175c177558d487f36cfc9555ee36cd462fe83bdbee16d4b9532bcf6169ee38990488a7fe2b79bbbf9e33d8e36e0e1

    • memory/2784-53-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2784-55-0x0000000000400000-0x0000000000EBF000-memory.dmp

      Filesize

      10.7MB

    • memory/2784-56-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2784-61-0x0000000077290000-0x0000000077291000-memory.dmp

      Filesize

      4KB

    • memory/2784-60-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2784-59-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2784-58-0x0000000000400000-0x0000000000EBF000-memory.dmp

      Filesize

      10.7MB

    • memory/2784-63-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2784-65-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2784-380-0x0000000000400000-0x0000000000EBF000-memory.dmp

      Filesize

      10.7MB

    • memory/2784-387-0x0000000000400000-0x0000000000EBF000-memory.dmp

      Filesize

      10.7MB