Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

  • max time kernel
    1782s
  • max time network
    1454s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-11-2020 17:26

General

  • Target

    VyprVPN.exe

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 35 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VyprVPN.exe
    "C:\Users\Admin\AppData\Local\Temp\VyprVPN.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Roaming\1337\joinResult.exe
      "C:\Users\Admin\AppData\Roaming\1337\joinResult.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Users\Admin\AppData\Roaming\1337\1111.exe
        "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C ping 1.1.1.1 -n 3 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 3 -w 3000
            5⤵
            • Runs ping.exe
            PID:3556
      • C:\Users\Admin\AppData\Roaming\1337\Clipper.exe
        "C:\Users\Admin\AppData\Roaming\1337\Clipper.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3644
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Service" /tr "C:\Users\Admin\WinService.exe" /f
          4⤵
          • Creates scheduled task(s)
          PID:1520
        • C:\Users\Admin\WinService.exe
          "C:\Users\Admin\WinService.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3676
    • C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe
      "C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe"
      2⤵
      • Executes dropped EXE
      PID:3264
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3724
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3960
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2696
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3660
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3460
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3744
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3884
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2324
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1648
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1672
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2820
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4032
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1324
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:740
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:188
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2300
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3172
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3776
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1668
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:156
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1808
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2888
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2844
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:584
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1536
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3464
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1680
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1972
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2384
  • C:\Users\Admin\WinService.exe
    C:\Users\Admin\WinService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\1337\1111.exe

  • C:\Users\Admin\AppData\Roaming\1337\1111.exe

  • C:\Users\Admin\AppData\Roaming\1337\Clipper.exe

  • C:\Users\Admin\AppData\Roaming\1337\Clipper.exe

  • C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe

  • C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe

  • C:\Users\Admin\AppData\Roaming\1337\joinResult.exe

    MD5

    79022fbafee9fe740a5230f87bd33171

    SHA1

    42bf0f7bf41009fd0009535a8b1162cbe60dce6f

    SHA256

    640c30cfa519be11c02c4e51bf18979a93266887cc9ef19076b3d0f1f20528b6

    SHA512

    48e0d4a18d99dce4398de73895a157e13293115b52ee5158f9ea6fc73c4d5f4133e1cebba14ff5482b8c4f7dfeebfe3b003df1caf351314f1cc16944818df4b3

  • C:\Users\Admin\AppData\Roaming\1337\joinResult.exe

    MD5

    79022fbafee9fe740a5230f87bd33171

    SHA1

    42bf0f7bf41009fd0009535a8b1162cbe60dce6f

    SHA256

    640c30cfa519be11c02c4e51bf18979a93266887cc9ef19076b3d0f1f20528b6

    SHA512

    48e0d4a18d99dce4398de73895a157e13293115b52ee5158f9ea6fc73c4d5f4133e1cebba14ff5482b8c4f7dfeebfe3b003df1caf351314f1cc16944818df4b3

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • C:\Users\Admin\WinService.exe

  • \Users\Admin\AppData\Local\Temp\nsbE2A7.tmp\System.dll

  • \Users\Admin\AppData\Local\Temp\nsoDB64.tmp\System.dll

  • memory/156-114-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/188-94-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/584-130-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/740-90-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1324-86-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1520-21-0x0000000000000000-mapping.dmp

  • memory/1536-134-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1648-70-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1668-110-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1672-74-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1680-142-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1808-118-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1972-146-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2128-33-0x0000000000000000-mapping.dmp

  • memory/2300-98-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2324-66-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2384-150-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2696-46-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2820-78-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2844-126-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2888-122-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3172-102-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3212-154-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3264-32-0x0000000005330000-0x0000000005331000-memory.dmp

    Filesize

    4KB

  • memory/3264-30-0x0000000005290000-0x0000000005291000-memory.dmp

    Filesize

    4KB

  • memory/3264-36-0x0000000005510000-0x0000000005511000-memory.dmp

    Filesize

    4KB

  • memory/3264-28-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/3264-31-0x00000000058E0000-0x00000000058E1000-memory.dmp

    Filesize

    4KB

  • memory/3264-20-0x0000000073B90000-0x000000007427E000-memory.dmp

    Filesize

    6.9MB

  • memory/3264-35-0x0000000005250000-0x0000000005251000-memory.dmp

    Filesize

    4KB

  • memory/3264-9-0x0000000000000000-mapping.dmp

  • memory/3364-1-0x0000000000000000-mapping.dmp

  • memory/3460-54-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3464-138-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3556-34-0x0000000000000000-mapping.dmp

  • memory/3644-13-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3644-18-0x0000000000720000-0x0000000000721000-memory.dmp

    Filesize

    4KB

  • memory/3644-8-0x0000000000000000-mapping.dmp

  • memory/3660-50-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3676-25-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3676-22-0x0000000000000000-mapping.dmp

  • memory/3724-38-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3744-58-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3748-15-0x0000000003340000-0x0000000003341000-memory.dmp

    Filesize

    4KB

  • memory/3748-16-0x0000000003340000-0x0000000003341000-memory.dmp

    Filesize

    4KB

  • memory/3748-17-0x0000000003440000-0x0000000003441000-memory.dmp

    Filesize

    4KB

  • memory/3748-5-0x0000000000000000-mapping.dmp

  • memory/3776-106-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3884-62-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/3960-42-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB

  • memory/4032-82-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp

    Filesize

    9.9MB