Resubmissions

09-04-2024 12:54

240409-p5dzaafd97 10

09-04-2024 12:54

240409-p5dcraag3w 10

09-04-2024 12:54

240409-p5cq8aag3v 10

09-04-2024 12:54

240409-p5cffsfd95 10

06-05-2021 04:42

210506-89h2kyk32a 10

Analysis

  • max time kernel
    510s
  • max time network
    512s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-04-2024 12:54

Errors

Reason
Machine shutdown

General

  • Target

    t.exe

  • Size

    100KB

  • MD5

    ee0a1ec859b753abc30847157d81f37c

  • SHA1

    2fd868d94c6dc063ca49c767c873505fbc87dcd9

  • SHA256

    abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922

  • SHA512

    6ba490cad428176d4235241ab96d741121e608f3fcf156c4a8ba0b106c640ac392ef4f74e0b11f5c56c3829e8566a613676dbef812e1e89c248c40338331bfdc

  • SSDEEP

    3072:UlmICQuNwVOv/8I6WruEPJZDUXA2M1CUci6sUJW51TrFS83Fo:WmICRmgMtWruEhZDCA2M1CUci6sUJW5D

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.

  • 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 14 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 44 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:3216
      • C:\Users\Admin\AppData\Local\Temp\t.exe
        "C:\Users\Admin\AppData\Local\Temp\t.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\34731127130082\lsass.exe
          C:\34731127130082\lsass.exe
          3⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:1092
          • C:\Users\Admin\AppData\Local\Temp\3884723667.exe
            C:\Users\Admin\AppData\Local\Temp\3884723667.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:1412
            • C:\Windows\sylsplvc.exe
              C:\Windows\sylsplvc.exe
              5⤵
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Suspicious use of WriteProcessMemory
              PID:2264
              • C:\Users\Admin\AppData\Local\Temp\2954130492.exe
                C:\Users\Admin\AppData\Local\Temp\2954130492.exe
                6⤵
                • 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:1616
                • C:\Users\Admin\AppData\Local\Temp\302385266.exe
                  C:\Users\Admin\AppData\Local\Temp\302385266.exe
                  7⤵
                  • Executes dropped EXE
                  PID:1120
                • C:\Users\Admin\AppData\Local\Temp\2829728432.exe
                  C:\Users\Admin\AppData\Local\Temp\2829728432.exe
                  7⤵
                  • Executes dropped EXE
                  PID:3124
                • C:\Users\Admin\AppData\Local\Temp\260651214.exe
                  C:\Users\Admin\AppData\Local\Temp\260651214.exe
                  7⤵
                  • Executes dropped EXE
                  PID:4620
                • C:\Users\Admin\AppData\Local\Temp\1406131197.exe
                  C:\Users\Admin\AppData\Local\Temp\1406131197.exe
                  7⤵
                  • Executes dropped EXE
                  PID:4836
              • C:\Users\Admin\AppData\Local\Temp\2245623238.exe
                C:\Users\Admin\AppData\Local\Temp\2245623238.exe
                6⤵
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                PID:2000
              • C:\Users\Admin\AppData\Local\Temp\104928533.exe
                C:\Users\Admin\AppData\Local\Temp\104928533.exe
                6⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4628
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c shutdown /r
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3184
                  • C:\Windows\SysWOW64\shutdown.exe
                    shutdown /r
                    8⤵
                      PID:2324
                • C:\Users\Admin\AppData\Local\Temp\884327033.exe
                  C:\Users\Admin\AppData\Local\Temp\884327033.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:3624
                  • C:\Users\Admin\AppData\Local\Temp\1184417091.exe
                    C:\Users\Admin\AppData\Local\Temp\1184417091.exe
                    7⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4044
            • C:\Users\Admin\AppData\Local\Temp\1173239352.exe
              C:\Users\Admin\AppData\Local\Temp\1173239352.exe
              4⤵
              • Executes dropped EXE
              PID:4580
        • 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:3460
        • C:\Windows\System32\schtasks.exe
          C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
          2⤵
            PID:4540
          • 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:904
        • 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:4484
        • C:\Windows\System32\PickerHost.exe
          C:\Windows\System32\PickerHost.exe -Embedding
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:1108
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x4 /state0:0xa39ca855 /state1:0x41c64e6d
          1⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          PID:1124

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\34731127130082\lsass.exe

          Filesize

          100KB

          MD5

          ee0a1ec859b753abc30847157d81f37c

          SHA1

          2fd868d94c6dc063ca49c767c873505fbc87dcd9

          SHA256

          abf63fc54948cdd9d1bf46a2f59fcb081bb0ff10b595f0ba2faad392ad368922

          SHA512

          6ba490cad428176d4235241ab96d741121e608f3fcf156c4a8ba0b106c640ac392ef4f74e0b11f5c56c3829e8566a613676dbef812e1e89c248c40338331bfdc

        • 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\32BENUPS\cc33[1]

          Filesize

          80KB

          MD5

          98e2443907f1ecb82e86e3818b25ba66

          SHA1

          cfdafa41e582e8bd21cb93a96add84d0ab2bdc9f

          SHA256

          ef83ef42ff36634eb2af69ab262e248623751c5491267904ef50ae8d3f1d0481

          SHA512

          d47843174a5d5aa468e166c8f8d1bc74240b47ada6b095df948863b72aee503f9221be813d0a40dd5e6f7def43e1023e394227ab0ff7d8708d65eada708e7356

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\32BENUPS\getxmr[1]

          Filesize

          6KB

          MD5

          4ac6ef90c97bceeab7b887a01a070716

          SHA1

          55884f14858cb5eee4d9eb3acad6ec5819d0bb31

          SHA256

          8dede618f76a3e4a5ecbaf8d632fa2d844fbfc0d1e2137fde36640d112469529

          SHA512

          ad7309f5a8ee95daa395ee5dfe7aee959833e4c45ba728b48b06b2157164b8c2408475a0fa4b387024c46573ec3bbfe832be7e6481b9f37c05e9c3713566082c

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HVD9DL5I\1[1]

          Filesize

          85KB

          MD5

          34a87206cee71119a2c6a02e0129718e

          SHA1

          806643ae1b7685d64c2796227229461c8d526cd6

          SHA256

          ecea49f9a754af7055b60a860acfd8ce2bc63048c947c9ee6324f07d45c4787d

          SHA512

          e83b0e003687ebe5d5df5bd405b12b267e07252838d1575dc390b409e03279f9d0ce4a4691971a9601f58d52e55af2fa8ea9596ace4bef246f9ef511b65cdbc3

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HVD9DL5I\5[1]

          Filesize

          8KB

          MD5

          561816e1c4e7fedcd14342d0b203c48b

          SHA1

          c833316b6415f277eabaf66f6edc71d41770e094

          SHA256

          e0ad6f3d6e5cb162a1658ba96c04e4df39adcf593b28f5d07222dbb02d7fbb18

          SHA512

          25be65e63b5b6d3e6d510c0310e2e5c1cea876bdb72226d9a6dfc0feff4f12d11b7a776042b87c7774f69b174be4e28065988199049d6670198e9e330f067fd5

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\N9R0LEHG\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

          eb057c2b14d10a1cb3fba021ed81002d

          SHA1

          a56f7cd317cc8f881cb2361c0e301deb6fc77c62

          SHA256

          5c30482a0081ef62fa5f722ab1071df9c8d796730227374a9cdf8d58c795023b

          SHA512

          de4b9ef72da67ff9eae01abc33d35a231c4e1247bb2ca33e011581ed46a1ac0150c1dd9bcaf4f2f2e957946172e62da41aba2aeef84d3a0a734ea4bd4ca700a7

        • C:\Users\Admin\AppData\Local\Temp\104928533.exe

          Filesize

          8KB

          MD5

          11861ff368cdb82536b9313e7301ce4f

          SHA1

          7691adefb0d65fcdd7803ce8896d183cd4edc3cf

          SHA256

          38a5e274bd63a97d2075a0f24b521dcce4f63e8e5faf3a458da1f227d38f485e

          SHA512

          379e174a6bb0fabaa5ac2acebb30d6032992cd1c943f41ded4613697b11b88e2b14ee060b49c2d676253bc0ae8095ac0df4ea8948dfd464a812d7721cd61b7f2

        • C:\Users\Admin\AppData\Local\Temp\1173239352.exe

          Filesize

          79KB

          MD5

          ca57b9f2c47ab7d459f6c88d550e3e32

          SHA1

          a179d0c011a06f02aa0b24fa9ceaea10429da078

          SHA256

          937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b

          SHA512

          7950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df

        • C:\Users\Admin\AppData\Local\Temp\1184417091.exe

          Filesize

          5.4MB

          MD5

          41ab08c1955fce44bfd0c76a64d1945a

          SHA1

          2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

          SHA256

          dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

          SHA512

          38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

        • C:\Users\Admin\AppData\Local\Temp\2245623238.exe

          Filesize

          14KB

          MD5

          2f4ab1a4a57649200550c0906d57bc28

          SHA1

          94bc52ed3921791630b2a001d9565b8f1bd3bd17

          SHA256

          baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

          SHA512

          ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

        • C:\Users\Admin\AppData\Local\Temp\2954130492.exe

          Filesize

          85KB

          MD5

          10ffc145e1c09190a496a0e0527b4f3f

          SHA1

          e21fba21a11eecb4bc37638f48aed9f09d8912f6

          SHA256

          80b7e224f28c6160737a313221b9fc94d5f5e933ae1438afef4b5fae33185b2d

          SHA512

          bec357e73376f2e9e2963db5f7110a4c90de31a94edfaa7bf59c2f01b7bdd0c33e9a8024e995b7f0e67e332bc4aa0ec1280c7c28a24ba554772f8325e1badd1d

        • C:\Users\Admin\AppData\Local\Temp\302385266.exe

          MD5

          d41d8cd98f00b204e9800998ecf8427e

          SHA1

          da39a3ee5e6b4b0d3255bfef95601890afd80709

          SHA256

          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

          SHA512

          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

        • C:\Users\Admin\AppData\Local\Temp\3884723667.exe

          Filesize

          79KB

          MD5

          1e8a2ed2e3f35620fb6b8c2a782a57f3

          SHA1

          e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

          SHA256

          3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

          SHA512

          ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

        • C:\Users\Admin\AppData\Local\Temp\884327033.exe

          Filesize

          6KB

          MD5

          0d539e8277f20391a31babff8714fdb0

          SHA1

          a4e63870aa5fd258dde4f02be70732c27f556fa9

          SHA256

          669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

          SHA512

          700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ubrgd2fa.2ty.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/904-141-0x00007FFA21620000-0x00007FFA220E2000-memory.dmp

          Filesize

          10.8MB

        • memory/904-142-0x0000017258900000-0x0000017258910000-memory.dmp

          Filesize

          64KB

        • memory/904-143-0x0000017258900000-0x0000017258910000-memory.dmp

          Filesize

          64KB

        • memory/904-148-0x0000017258900000-0x0000017258910000-memory.dmp

          Filesize

          64KB

        • memory/904-150-0x00007FFA21620000-0x00007FFA220E2000-memory.dmp

          Filesize

          10.8MB

        • memory/3460-111-0x00007FFA21620000-0x00007FFA220E2000-memory.dmp

          Filesize

          10.8MB

        • memory/3460-108-0x00000209EDD40000-0x00000209EDD50000-memory.dmp

          Filesize

          64KB

        • memory/3460-107-0x00000209EDD40000-0x00000209EDD50000-memory.dmp

          Filesize

          64KB

        • memory/3460-106-0x00000209EDD40000-0x00000209EDD50000-memory.dmp

          Filesize

          64KB

        • memory/3460-105-0x00007FFA21620000-0x00007FFA220E2000-memory.dmp

          Filesize

          10.8MB

        • memory/3460-101-0x00000209EDE50000-0x00000209EDE72000-memory.dmp

          Filesize

          136KB

        • memory/4044-114-0x00007FF69DF30000-0x00007FF69E4A6000-memory.dmp

          Filesize

          5.5MB

        • memory/4484-153-0x00007FF76E620000-0x00007FF76EB96000-memory.dmp

          Filesize

          5.5MB