Overview

overview

10

Static

static

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windows7_x64

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windows7_x64

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windows7_x64

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Resubmissions

12-11-2024 01:29

241112-bwgrxs1gnf 10

08-07-2021 12:18

210708-8z6d5h8z2n 10

06-07-2021 17:53

210706-g6we6sa7sa 10

19-06-2021 18:17

210619-vr8bj2dzfn 10

17-06-2021 21:39

210617-a9cvlnmrbx 10

11-06-2021 17:26

210611-wvab1yw2tj 10

08-06-2021 06:47

210608-qrbpch3y46 10

08-06-2021 06:47

210608-64tndgm1ln 10

05-06-2021 18:40

210605-cd6qpr55sx 10

04-06-2021 11:56

210604-5c416rs3ns 10

Analysis

  • max time kernel
    1791s
  • max time network
    1829s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    18-05-2021 13:06

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Report Analysis Logs

General

  • Target

    keygen-step-4.exe

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:872
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Modifies registry class
        PID:2004
    • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
      "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
          3⤵
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:748
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1764
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1764 -s 472
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1680

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/748-93-0x0000000000570000-0x00000000005CC000-memory.dmp

      Filesize

      368KB

      Download

    • memory/748-91-0x0000000010000000-0x0000000010002000-memory.dmp

      Filesize

      8KB

      Download

    • memory/748-92-0x00000000003B0000-0x00000000004B1000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/872-94-0x0000000000A50000-0x0000000000A9B000-memory.dmp

      Filesize

      300KB

      Download

    • memory/872-95-0x0000000001B50000-0x0000000001BC0000-memory.dmp

      Filesize

      448KB

      Download

    • memory/1120-59-0x0000000074D91000-0x0000000074D93000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1680-101-0x0000000000360000-0x0000000000361000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1680-100-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1764-79-0x00000000009C0000-0x00000000009C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1764-90-0x0000000000380000-0x0000000000381000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1764-89-0x0000000000360000-0x000000000037C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/1764-98-0x000000001ADB0000-0x000000001ADB2000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1764-87-0x0000000000340000-0x0000000000341000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2004-97-0x0000000000480000-0x00000000004F0000-memory.dmp

      Filesize

      448KB

      Download