Resubmissions

18-04-2024 11:51

240418-n1frmscd22 10

18-04-2024 11:51

240418-n1dmaadd8y 10

18-04-2024 11:51

240418-n1cpzscc95 10

18-04-2024 11:51

240418-n1b4fscc92 10

18-04-2024 11:51

240418-n1a66acc85 10

18-04-2024 10:01

240418-l19nlsbb31 10

Analysis

  • max time kernel
    444s
  • max time network
    450s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18-04-2024 11:51

Errors

Reason
Machine shutdown

General

  • Target

    714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe

  • Size

    100KB

  • MD5

    a8f401d424c87dbff0dd679c792f8cb0

  • SHA1

    b1413e3019c6c201288a238191e5c4baa329b749

  • SHA256

    714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2

  • SHA512

    ab61d78dd7c2979ed97af85ab62f43cd34043e2a31821185c8c09622d6d8d39598813059d775c2195b9c3d03439a29cf261578555d9e86071a90ac048a2f9f31

  • SSDEEP

    3072:zhmiYp+ZDI5/azNzMzCnd1B2KkhKQciyY4N6lPxbAFS8CF5:dmiYMluaNzMzCnt2KkhKQciyY4N6dxso

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

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex

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

  • Phorphiex payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Windows security bypass 2 TTPs 24 IoCs
  • xmrig

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

  • XMRig Miner payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Windows security modification 2 TTPs 28 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3248
      • C:\Users\Admin\AppData\Local\Temp\714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe
        "C:\Users\Admin\AppData\Local\Temp\714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:712
        • C:\30161385117102\dwm.exe
          C:\30161385117102\dwm.exe
          3⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:1568
          • C:\Users\Admin\AppData\Local\Temp\1767020413.exe
            C:\Users\Admin\AppData\Local\Temp\1767020413.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:2556
            • C:\Windows\sylsplvc.exe
              C:\Windows\sylsplvc.exe
              5⤵
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Suspicious use of WriteProcessMemory
              PID:1388
              • C:\Users\Admin\AppData\Local\Temp\3222931573.exe
                C:\Users\Admin\AppData\Local\Temp\3222931573.exe
                6⤵
                • Modifies security service
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                • Suspicious behavior: SetClipboardViewer
                • Suspicious use of WriteProcessMemory
                PID:1864
                • C:\Users\Admin\AppData\Local\Temp\111986550.exe
                  C:\Users\Admin\AppData\Local\Temp\111986550.exe
                  7⤵
                  • Executes dropped EXE
                  PID:2908
                • C:\Users\Admin\AppData\Local\Temp\1739229768.exe
                  C:\Users\Admin\AppData\Local\Temp\1739229768.exe
                  7⤵
                  • Executes dropped EXE
                  PID:3400
                • C:\Users\Admin\AppData\Local\Temp\204931427.exe
                  C:\Users\Admin\AppData\Local\Temp\204931427.exe
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:2088
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3796
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      9⤵
                        PID:1424
                  • C:\Users\Admin\AppData\Local\Temp\482433676.exe
                    C:\Users\Admin\AppData\Local\Temp\482433676.exe
                    7⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:2520
                    • C:\Users\Admin\AppData\Local\Temp\1595923787.exe
                      C:\Users\Admin\AppData\Local\Temp\1595923787.exe
                      8⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1620
                • C:\Users\Admin\AppData\Local\Temp\1148924166.exe
                  C:\Users\Admin\AppData\Local\Temp\1148924166.exe
                  6⤵
                  • Windows security bypass
                  • Executes dropped EXE
                  • Windows security modification
                  • Adds Run key to start application
                  • Drops file in Windows directory
                  PID:4228
                • C:\Users\Admin\AppData\Local\Temp\106029256.exe
                  C:\Users\Admin\AppData\Local\Temp\106029256.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:2644
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c shutdown /r /f
                    7⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2148
                    • C:\Windows\SysWOW64\shutdown.exe
                      shutdown /r /f
                      8⤵
                        PID:672
              • C:\Users\Admin\AppData\Local\Temp\1834322801.exe
                C:\Users\Admin\AppData\Local\Temp\1834322801.exe
                4⤵
                • Executes dropped EXE
                PID:1752
          • 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:2980
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
            2⤵
              PID:3944
            • 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:4800
          • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
            "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:4804
          • C:\Windows\System32\PickerHost.exe
            C:\Windows\System32\PickerHost.exe -Embedding
            1⤵
            • Suspicious use of SetWindowsHookEx
            PID:1632
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x4 /state0:0xa39da055 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:1868

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Privilege Escalation

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          Modify Registry

          4
          T1112

          Impair Defenses

          2
          T1562

          Disable or Modify Tools

          2
          T1562.001

          Discovery

          System Information Discovery

          1
          T1082

          Query Registry

          1
          T1012

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\30161385117102\dwm.exe
            Filesize

            100KB

            MD5

            a8f401d424c87dbff0dd679c792f8cb0

            SHA1

            b1413e3019c6c201288a238191e5c4baa329b749

            SHA256

            714787dde305a03fe0bf0fe87923f814db1736fdfbb4ad38ec95536f152abfb2

            SHA512

            ab61d78dd7c2979ed97af85ab62f43cd34043e2a31821185c8c09622d6d8d39598813059d775c2195b9c3d03439a29cf261578555d9e86071a90ac048a2f9f31

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            Filesize

            3KB

            MD5

            4764ec833397133003e2e24b080cd7ce

            SHA1

            03c8926d7afc4e605719aee53ef2ce53f6f314cc

            SHA256

            88331ffd23c1d6cfef379ab5366333f56ee41ff083f0421915302a492cb2a833

            SHA512

            e9ad86bc3878f4f3e1a38a191864857f24969e0f11d0636cb76523900e97b06d286c120460c38e7f93039356f45900d32ddda990abffb1958af173dfb1aedac1

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SCHMHTOU\1[1]
            Filesize

            81KB

            MD5

            01e5faba64d8e9a9c187831fdc819f4c

            SHA1

            350a1a2bf237e64f43716262f99c632f5e01ba62

            SHA256

            7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450

            SHA512

            f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SCHMHTOU\5[1]
            Filesize

            8KB

            MD5

            145fc3dbf778aa2ba80af3d74eabfad6

            SHA1

            13dfeadb4b38c461f8b9d25853c0cae5d9a65f7c

            SHA256

            5ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200

            SHA512

            9bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YZKIN606\2[1]
            Filesize

            14KB

            MD5

            fce292c79288067dc17919ed588c161c

            SHA1

            bb44fa2c95af5bbd11e49264a40c16d6f343fa21

            SHA256

            4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828

            SHA512

            73dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            Filesize

            1KB

            MD5

            cae8c639be9d3f1788af6e51a8b98623

            SHA1

            68bdda4066ab8f02a20027681a4fcb0b2a18fbfd

            SHA256

            17929b5ff991990f8f4736374f50ba0ee3c27d11c4a61da7436708c01f768c57

            SHA512

            0cc224a24c9889819068c2c1acfa5f5a88f076f5edfde00db68fd09906b1c17638030b85690396415e43a051c7780e498b7731b80aa3d5965bf5c96707258be0

          • C:\Users\Admin\AppData\Local\Temp\106029256.exe
            Filesize

            8KB

            MD5

            c34a248f132e739652407b0aa8c978cd

            SHA1

            f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee

            SHA256

            4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578

            SHA512

            f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703

          • C:\Users\Admin\AppData\Local\Temp\1148924166.exe
            Filesize

            14KB

            MD5

            2f4ab1a4a57649200550c0906d57bc28

            SHA1

            94bc52ed3921791630b2a001d9565b8f1bd3bd17

            SHA256

            baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

            SHA512

            ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

          • C:\Users\Admin\AppData\Local\Temp\1595923787.exe
            Filesize

            5.4MB

            MD5

            41ab08c1955fce44bfd0c76a64d1945a

            SHA1

            2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

            SHA256

            dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

            SHA512

            38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

          • C:\Users\Admin\AppData\Local\Temp\1767020413.exe
            Filesize

            79KB

            MD5

            1e8a2ed2e3f35620fb6b8c2a782a57f3

            SHA1

            e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

            SHA256

            3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

            SHA512

            ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

          • C:\Users\Admin\AppData\Local\Temp\1834322801.exe
            Filesize

            79KB

            MD5

            ca57b9f2c47ab7d459f6c88d550e3e32

            SHA1

            a179d0c011a06f02aa0b24fa9ceaea10429da078

            SHA256

            937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b

            SHA512

            7950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df

          • C:\Users\Admin\AppData\Local\Temp\3222931573.exe
            Filesize

            81KB

            MD5

            f4713c8ac5fc1e4919156157e7bece19

            SHA1

            7bd9e35b1d1210183bbb4fe1995895cbc1692c62

            SHA256

            2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b

            SHA512

            ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f

          • C:\Users\Admin\AppData\Local\Temp\482433676.exe
            Filesize

            6KB

            MD5

            0d539e8277f20391a31babff8714fdb0

            SHA1

            a4e63870aa5fd258dde4f02be70732c27f556fa9

            SHA256

            669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

            SHA512

            700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0apmmarf.3z4.ps1
            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\tbnds.dat
            Filesize

            3KB

            MD5

            acf0810365b9a19559fb85b1f84486c1

            SHA1

            5d84dcff9397192b8a617acf7188998b4e82c01a

            SHA256

            96ac186bd3b186abacfb6af72e945de2c8794466ecf6c31020a56a0ed12c2494

            SHA512

            ada959065720d5819cc2b9b33a44f780eee8dcf755e699bc37a37cefbbfe0a7f83e689c38a3d9ef40eefae21cdf6dae368792880869dc29f628efc4cfbc684ed

          • memory/1620-112-0x00007FF7DA0C0000-0x00007FF7DA636000-memory.dmp
            Filesize

            5.5MB

          • memory/2980-106-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp
            Filesize

            64KB

          • memory/2980-109-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp
            Filesize

            10.8MB

          • memory/2980-102-0x000001AF48130000-0x000001AF48152000-memory.dmp
            Filesize

            136KB

          • memory/2980-105-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp
            Filesize

            64KB

          • memory/2980-104-0x000001AF2FA10000-0x000001AF2FA20000-memory.dmp
            Filesize

            64KB

          • memory/2980-103-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp
            Filesize

            10.8MB

          • memory/4800-129-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp
            Filesize

            10.8MB

          • memory/4800-130-0x000001E444360000-0x000001E444370000-memory.dmp
            Filesize

            64KB

          • memory/4800-132-0x000001E444360000-0x000001E444370000-memory.dmp
            Filesize

            64KB

          • memory/4800-134-0x00007FFC94FA0000-0x00007FFC95A62000-memory.dmp
            Filesize

            10.8MB

          • memory/4804-137-0x00007FF67E5B0000-0x00007FF67EB26000-memory.dmp
            Filesize

            5.5MB