Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2023, 04:16

General

  • Target
    2ea6c5e97869622dfe70d2b34daf564e.exe
  • Size 9KB
  • Sample230817-ev7thaha51
  • SHA256 5f28bba8bd23cdb5c8a3fa018727bcf365eaf31c06b7bc8d3f3097a85db037f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

Wallets
  • 0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b

  • THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto

  • 1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6

  • qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL

  • LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX

  • rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH

  • ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ

  • 48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

  • 3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC

  • 3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

  • D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH

  • t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn

  • bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd

  • bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg

  • bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

  • Phorphiex

    Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 7 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3256
      • C:\Users\Admin\AppData\Local\Temp\2ea6c5e97869622dfe70d2b34daf564e.exe
        "C:\Users\Admin\AppData\Local\Temp\2ea6c5e97869622dfe70d2b34daf564e.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:996
        • C:\Users\Admin\AppData\Local\Temp\1871425644.exe
          C:\Users\Admin\AppData\Local\Temp\1871425644.exe
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:4856
          • C:\Windows\´sysesvcmw.exe
            C:\Windows\´sysesvcmw.exe
            4⤵
            • Windows security bypass
            • Executes dropped EXE
            • Windows security modification
            • Suspicious use of WriteProcessMemory
            PID:3264
            • C:\Users\Admin\AppData\Local\Temp\801825326.exe
              C:\Users\Admin\AppData\Local\Temp\801825326.exe
              5⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:1072
              • C:\Users\Admin\AppData\Local\Temp\1915315437.exe
                C:\Users\Admin\AppData\Local\Temp\1915315437.exe
                6⤵
                • Suspicious use of NtCreateUserProcessOtherParentProcess
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:4104
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2256
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
        2⤵
          PID:4000
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3484
        • C:\Windows\System32\notepad.exe
          C:\Windows\System32\notepad.exe
          2⤵
            PID:4880
        • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
          "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
          1⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1536

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 3KB
              • SHA256 dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
              • MD5 SHA1 SHA512

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 608cc22e117bf5d1f2b986d629b9bdd3d5574922a14d83e376ee8da00f2baa7f
              • MD5 SHA1 SHA512

              1871425644.exe

              • Path C:\Users\Admin\AppData\Local\Temp\1871425644.exe
              • Size 79KB
              • SHA256 d2b6791fb169c2c87d9fbc2846525dbbbecef3bf112259214b1b4da907d580ef
              • MD5 SHA1 SHA512 SSDEEP

              1871425644.exe

              • Path C:\Users\Admin\AppData\Local\Temp\1871425644.exe
              • Size 79KB
              • SHA256 d2b6791fb169c2c87d9fbc2846525dbbbecef3bf112259214b1b4da907d580ef
              • MD5 SHA1 SHA512 SSDEEP

              1915315437.exe

              • Path C:\Users\Admin\AppData\Local\Temp\1915315437.exe
              • Size 5.4MB
              • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
              • MD5 SHA1 SHA512 SSDEEP

              1915315437.exe

              • Path C:\Users\Admin\AppData\Local\Temp\1915315437.exe
              • Size 5.4MB
              • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
              • MD5 SHA1 SHA512 SSDEEP

              801825326.exe

              • Path C:\Users\Admin\AppData\Local\Temp\801825326.exe
              • Size 6KB
              • SHA256 669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
              • MD5 SHA1 SHA512 SSDEEP

              801825326.exe

              • Path C:\Users\Admin\AppData\Local\Temp\801825326.exe
              • Size 6KB
              • SHA256 669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_ru51fqc2.jja.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ru51fqc2.jja.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              wupgrdsv.exe

              • Path C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
              • Size 5.4MB
              • SHA256 dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
              • MD5 SHA1 SHA512 SSDEEP

              ´sysesvcmw.exe

              • Path C:\Windows\´sysesvcmw.exe
              • Size 79KB
              • SHA256 d2b6791fb169c2c87d9fbc2846525dbbbecef3bf112259214b1b4da907d580ef
              • MD5 SHA1 SHA512 SSDEEP

              ´sysesvcmw.exe

              • Path C:\Windows\´sysesvcmw.exe
              • Size 79KB
              • SHA256 d2b6791fb169c2c87d9fbc2846525dbbbecef3bf112259214b1b4da907d580ef
              • MD5 SHA1 SHA512 SSDEEP

              ´sysesvcmw.exe

              • Path C:\Windows\´sysesvcmw.exe
              • Size 79KB
              • SHA256 d2b6791fb169c2c87d9fbc2846525dbbbecef3bf112259214b1b4da907d580ef
              • MD5 SHA1 SHA512 SSDEEP

              memory/1536-202-0x00007FF6C85E0000-0x00007FF6C8B56000-memory.dmp

              memory/2256-172-0x00007FFD44CC0000-0x00007FFD45781000-memory.dmp

              memory/2256-173-0x000002A295570000-0x000002A295580000-memory.dmp

              memory/2256-176-0x000002A295570000-0x000002A295580000-memory.dmp

              memory/2256-171-0x000002A295730000-0x000002A295752000-memory.dmp

              memory/2256-175-0x000002A295570000-0x000002A295580000-memory.dmp

              memory/2256-174-0x000002A295570000-0x000002A295580000-memory.dmp

              memory/2256-179-0x00007FFD44CC0000-0x00007FFD45781000-memory.dmp

              memory/3484-185-0x00007FFD44CC0000-0x00007FFD45781000-memory.dmp

              memory/3484-196-0x0000028DCA230000-0x0000028DCA240000-memory.dmp

              memory/3484-197-0x0000028DCA230000-0x0000028DCA240000-memory.dmp

              memory/3484-199-0x00007FFD44CC0000-0x00007FFD45781000-memory.dmp

              memory/4104-182-0x00007FF6BAC00000-0x00007FF6BB176000-memory.dmp

              memory/4880-205-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp

              memory/4880-204-0x000001CD59E70000-0x000001CD59EB0000-memory.dmp

              memory/4880-203-0x000001CD59E30000-0x000001CD59E50000-memory.dmp

              memory/4880-206-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp

              memory/4880-207-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp

              memory/4880-208-0x000001CD59EF0000-0x000001CD59F10000-memory.dmp

              memory/4880-210-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp

              memory/4880-211-0x000001CD59EF0000-0x000001CD59F10000-memory.dmp

              memory/4880-212-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp

              memory/4880-213-0x00007FF65C6F0000-0x00007FF65CEDF000-memory.dmp