Analysis

  • max time kernel
    299s
  • max time network
    301s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 15:02

General

  • Target

    336488519.exe

  • Size

    93KB

  • MD5

    a318cc45e79498b93e40d5e5b9b76be4

  • SHA1

    4ebc9969cc3c330741c377e22a5fb0cdb8ce5fd5

  • SHA256

    4b4e596641d0dd9eece8a24556fd1246056cbc315a79675a7400927858bbd7c2

  • SHA512

    3131d627837a3cafdf532173ccadd4beff933ee3d5e050366153434b1394c4d57056b4d273ddb826a1a0478caa83e1f6e095e83366102ae1d3705ab2d3ec0e2c

  • SSDEEP

    1536:zL0IGzbFmav82I3dTCPu0864k/+ELInCSA+HK:30poOPPuRxk/jr+HK

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://5.42.96.117/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes
  • mutex

    plo7udsa2s

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex 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 9 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 27 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:3540
      • C:\Users\Admin\AppData\Local\Temp\336488519.exe
        "C:\Users\Admin\AppData\Local\Temp\336488519.exe"
        2⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4876
        • C:\Windows\syslmgrsvc.exe
          C:\Windows\syslmgrsvc.exe
          3⤵
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Users\Admin\AppData\Local\Temp\199701040.exe
            C:\Users\Admin\AppData\Local\Temp\199701040.exe
            4⤵
            • Executes dropped EXE
            PID:1544
          • C:\Users\Admin\AppData\Local\Temp\1426525829.exe
            C:\Users\Admin\AppData\Local\Temp\1426525829.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3928
            • C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe
              "C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"
              5⤵
              • Executes dropped EXE
              PID:988
            • C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe
              "C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"
              5⤵
              • Executes dropped EXE
              PID:3900
            • C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe
              "C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe"
              5⤵
              • Executes dropped EXE
              PID:1136
          • C:\Users\Admin\AppData\Local\Temp\2894816939.exe
            C:\Users\Admin\AppData\Local\Temp\2894816939.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4104
            • C:\Users\Admin\AppData\Local\Temp\2954410113.exe
              C:\Users\Admin\AppData\Local\Temp\2954410113.exe
              5⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3692
          • C:\Users\Admin\AppData\Local\Temp\288412878.exe
            C:\Users\Admin\AppData\Local\Temp\288412878.exe
            4⤵
            • Executes dropped EXE
            PID:2804
      • 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:428
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
        2⤵
          PID:2836
        • 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:3188
        • C:\Windows\System32\notepad.exe
          C:\Windows\System32\notepad.exe
          2⤵
            PID:1712
        • 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:3612

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          3KB

          MD5

          fee026663fcb662152188784794028ee

          SHA1

          3c02a26a9cb16648fad85c6477b68ced3cb0cb45

          SHA256

          dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b

          SHA512

          7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6

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

          1KB

          MD5

          2e6370355138fe6f0ff8789a59af0e1d

          SHA1

          454eca544a4e2045e202e0d7a1414777e76392cc

          SHA256

          f86f4ce6ead9e89561cdea866e7f7254694ee69a61a045a51f61fc82dd60a708

          SHA512

          616e98275ac0fb49a3e85d732c7660a386a4f796e5559d184d9f34d9c5911395cbf7666768332fe9964bf0c861a935867c9de2c84bd3d28e6c10a2cee51cd34b

        • C:\Users\Admin\AppData\Local\Temp\1378211069.exe
          Filesize

          86KB

          MD5

          fe1e93f12cca3f7c0c897ef2084e1778

          SHA1

          fb588491ddad8b24ea555a6a2727e76cec1fade3

          SHA256

          2ebc4a92f4fdc27d4ab56e57058575a8b18adb076cbd30feea2ecdc8b7fcd41f

          SHA512

          36e0524c465187ae9ad207c724aee45bcd61cfd3fa66a79f9434d24fcbadc0a743834d5e808e6041f3bd88e75deb5afd34193574f005ed97e4b17c6b0388cb93

        • C:\Users\Admin\AppData\Local\Temp\1426525829.exe
          Filesize

          10KB

          MD5

          47340d40e7f73e62cf09ac60fd16ad68

          SHA1

          effd38f6561155802d3e5090f5714589eae5ce6e

          SHA256

          e8a0c46342abd882318dbfdb17b7d3cb93d7138564878a15c5b91229ed81689c

          SHA512

          2d5fbacad67eba3c42c2be95c3bf64d787d15cf96d5afe827d6f9bdb175295859e684202ff5afc773202f4b9d0b3135e913c997bbe72026cd7a7ca96ecf5aa08

        • C:\Users\Admin\AppData\Local\Temp\288412878.exe
          Filesize

          11KB

          MD5

          cafd277c4132f5d0f202e7ea07a27d5c

          SHA1

          72c8c16a94cce56a3e01d91bc1276dafc65b351d

          SHA256

          e5162fa594811f0f01fc76f4acbd9fe99b2265df9cfcbc346023f28775c19f1e

          SHA512

          7c87d1dec61b78e0f223e8f9fec019d96509813fa6d96129289aab00b2d6f05bf91fe1fafd680b7d9e746f4c2c8cbe48a3028bcaad479048d00d79a19f71b196

        • C:\Users\Admin\AppData\Local\Temp\2894816939.exe
          Filesize

          10KB

          MD5

          c8cf446ead193a3807472fbd294c5f23

          SHA1

          2162f28c919222f75ce5f52e4bb1155255ae5368

          SHA256

          e5d12658a690c62af7d4fc7b26735affc7210e3bfb6b2241de1bf90aebdc0717

          SHA512

          fc94014fabf204ecd57990db4b05b81cbda0a314b621cbfa755296ddf5493ec55fb129d12eff5f92863d9f1d7fea679dc2aeb62baf898791448cb4fe34b595c1

        • C:\Users\Admin\AppData\Local\Temp\2954410113.exe
          Filesize

          5.4MB

          MD5

          41ab08c1955fce44bfd0c76a64d1945a

          SHA1

          2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

          SHA256

          dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

          SHA512

          38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

        • C:\Users\Admin\AppData\Local\Temp\768825363.exe
          Filesize

          80KB

          MD5

          2ff2bb06682812eeb76628bfbe817fbb

          SHA1

          18e86614d0f4904e1fe97198ccda34b25aab7dae

          SHA256

          985da56fb594bf65d8bb993e8e37cd6e78535da6c834945068040faf67e91e7d

          SHA512

          5cd3b5a1e16202893b08c0ae70d3bcd9e7a49197ebf1ded08e01395202022b3b6c2d8837196ef0415fea6497d928b44e03544b934f8e062ddbb6c6f79fb6f440

        • C:\Users\Admin\AppData\Local\Temp\Windows Security Upgrade Service.exe
          Filesize

          20KB

          MD5

          de36bc2bfc3c67820ebd75c912fadc3d

          SHA1

          38bd51e1052ae5bede5293827e87d6f494b204c8

          SHA256

          2a5083d6e55f5cb56764fc4ed7ad082a0ef75a908ed03132178cc80f802c3d16

          SHA512

          efbc8a797e95f00c142c4c02c2f3faf4f46fabcdcd1a99d81df7581244a22f0b81f846d15de3b5f4b6d323deff555fd569db57aff3171ffebf27c03e4d53e6ef

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qpitikgl.13r.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          4KB

          MD5

          330086c407958b0a0e8ff14aea1c58d5

          SHA1

          9b2623bac981a60780fd6dfc76e220d6df946bac

          SHA256

          295480d5d31c501dfaa88d0a2a1c5872821ac1e6e103abd5a3def21ea0b17191

          SHA512

          13fa7cbb5974b640fa6af10571beed68d96d263a63bbfc29ff1e442968b4205526fd60e886322b1dc2951a836ac0d04d1cf9c6cdc8d2aeb7f6f607980df8982f

        • C:\Windows\syslmgrsvc.exe
          Filesize

          93KB

          MD5

          a318cc45e79498b93e40d5e5b9b76be4

          SHA1

          4ebc9969cc3c330741c377e22a5fb0cdb8ce5fd5

          SHA256

          4b4e596641d0dd9eece8a24556fd1246056cbc315a79675a7400927858bbd7c2

          SHA512

          3131d627837a3cafdf532173ccadd4beff933ee3d5e050366153434b1394c4d57056b4d273ddb826a1a0478caa83e1f6e095e83366102ae1d3705ab2d3ec0e2c

        • memory/428-53-0x000001F3C7E40000-0x000001F3C7E62000-memory.dmp
          Filesize

          136KB

        • memory/1712-97-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-88-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-89-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-90-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-86-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-84-0x0000025A37100000-0x0000025A37120000-memory.dmp
          Filesize

          128KB

        • memory/1712-105-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-106-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/1712-108-0x00007FF6C9950000-0x00007FF6CA13F000-memory.dmp
          Filesize

          7.9MB

        • memory/3612-83-0x00007FF6D5CE0000-0x00007FF6D6256000-memory.dmp
          Filesize

          5.5MB

        • memory/3692-67-0x00007FF6F0110000-0x00007FF6F0686000-memory.dmp
          Filesize

          5.5MB