Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 19:21

General

  • Target
    Sara.exe.bin.exe
  • Size 6.9MB
  • Sample241109-x2m2satjgp
  • SHA256 06a9d549d08b54826d76d48de2c18af7ef36baa85306274025ad839c266399f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Looks up external IP address via web service 5 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sara.exe.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\Sara.exe.bin.exe"
    1⤵
    • Drops file in Drivers directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\Sara.exe.bin.exe
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3884
    • C:\Windows\SysWOW64\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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:432
    • C:\Windows\SysWOW64\attrib.exe
      attrib -r C:\Windows\System32\drivers\etc\hosts
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4212
    • C:\Windows\SysWOW64\attrib.exe
      attrib +r C:\Windows\System32\drivers\etc\hosts
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4200

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 deb21fd0db480a7d4a3d809b18148cc878fcedcb0859e6e26d0f167e4c9b5de0
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_txi0ckju.h1p.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txi0ckju.h1p.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/432-76-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/432-74-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/432-73-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/432-63-0x0000000070240000-0x000000007028C000-memory.dmp

        memory/432-51-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/432-52-0x0000000005E70000-0x00000000061C4000-memory.dmp

        memory/432-49-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/432-50-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-18-0x00000000067C0000-0x00000000067DE000-memory.dmp

        memory/3884-44-0x0000000007D70000-0x0000000007D78000-memory.dmp

        memory/3884-31-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

        memory/3884-32-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-20-0x00000000079A0000-0x00000000079D2000-memory.dmp

        memory/3884-33-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-34-0x00000000079E0000-0x0000000007A83000-memory.dmp

        memory/3884-35-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-36-0x0000000008130000-0x00000000087AA000-memory.dmp

        memory/3884-37-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

        memory/3884-38-0x0000000007B50000-0x0000000007B5A000-memory.dmp

        memory/3884-39-0x0000000007D80000-0x0000000007E16000-memory.dmp

        memory/3884-40-0x0000000007CF0000-0x0000000007D01000-memory.dmp

        memory/3884-41-0x0000000007D20000-0x0000000007D2E000-memory.dmp

        memory/3884-42-0x0000000007D30000-0x0000000007D44000-memory.dmp

        memory/3884-21-0x0000000070240000-0x000000007028C000-memory.dmp

        memory/3884-43-0x0000000007E40000-0x0000000007E5A000-memory.dmp

        memory/3884-47-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-19-0x00000000067F0000-0x000000000683C000-memory.dmp

        memory/3884-0-0x000000007442E000-0x000000007442F000-memory.dmp

        memory/3884-17-0x00000000061E0000-0x0000000006534000-memory.dmp

        memory/3884-7-0x0000000006170000-0x00000000061D6000-memory.dmp

        memory/3884-6-0x0000000005FD0000-0x0000000006036000-memory.dmp

        memory/3884-5-0x0000000005F30000-0x0000000005F52000-memory.dmp

        memory/3884-4-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-3-0x00000000058C0000-0x0000000005EE8000-memory.dmp

        memory/3884-2-0x0000000074420000-0x0000000074BD0000-memory.dmp

        memory/3884-1-0x0000000003200000-0x0000000003236000-memory.dmp

        memory/4920-78-0x00000000006F0000-0x0000000000E1C000-memory.dmp