Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 10:31

General

  • Target
    Invoice & Packing List.js
  • Size 352KB
  • Sample240508-mkc55sae57
  • SHA256 dc6aeb1f8d342bc7863a71083222cfa544b340c181e2be87dd39f5d25aac12e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 7 IoCs
  • Adds Run key to start application 2 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice & Packing List.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wanchbhmn.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:712
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\wanchbhmn.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3716
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wanchbhmn.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1612
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wanchbhmn.txt"
            5⤵
            • Creates scheduled task(s)
            PID:2532
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\wanchbhmn.txt"
          4⤵
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:2636
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1196
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4796
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2356
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3660
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4564
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:940
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:3932
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:2592
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell.exe "[void][Windows.Security.Credentials.PasswordVault,Windows.Security.Credentials,ContentType=WindowsRuntime] $vault = New-Object Windows.Security.Credentials.PasswordVault $vault.RetrieveAll() | % { $_.RetrievePassword();$_ }"
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3404

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            3903daac9bc4a3b7.timestamp

            • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
            • Size 46B
            • SHA256 49f1f39bde5cf79b71799ab98d985a8f1c45a17b0641e1df0e61c8eb14f46995
            • MD5 SHA1 SHA512

            3903daac9bc4a3b7.timestamp

            • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
            • Size 46B
            • SHA256 c7c2610f3458c163db19df81415cd6c8c890ceb8fb76cc603f91f413121f5d53
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_e2nhkqmj.bkc.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e2nhkqmj.bkc.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            imageio4149327565786038431.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\imageio4149327565786038431.tmp
            • Size 24KB
            • SHA256 e28846ef747f1fa6e0c18f45efd4743c97ea6f3fa842842d3435fd1b55d3365d
            • MD5 SHA1 SHA512 SSDEEP

            jna4757697305987635204.dll

            • Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4757697305987635204.dll
            • Size 241KB
            • SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
            • MD5 SHA1 SHA512 SSDEEP

            sqlite-3.14.2.1-8f47c2f3-d0d4-40b7-b973-d60b258a94fb-sqlitejdbc.dll

            • Path C:\Users\Admin\AppData\Local\Temp\sqlite-3.14.2.1-8f47c2f3-d0d4-40b7-b973-d60b258a94fb-sqlitejdbc.dll
            • Size 914KB
            • SHA256 05a8557f5d197aca468f5272a2a869293cb11c2f0ab4839a17f144f9a5d0b77d
            • MD5 SHA1 SHA512 SSDEEP

            83aa4cc77f591dfc2374580bbd95f6ba_341ede6d-ed6e-4a9a-b21e-61c68ffcc45e

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-877519540-908060166-1852957295-1000\83aa4cc77f591dfc2374580bbd95f6ba_341ede6d-ed6e-4a9a-b21e-61c68ffcc45e
            • Size 45B
            • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
            • MD5 SHA1 SHA512

            wanchbhmn.txt

            • Path C:\Users\Admin\AppData\Roaming\wanchbhmn.txt
            • Size 164KB
            • SHA256 c97d01edc6e28bb1a808951f917290831bd806f5155affe62fb042bbea235bf1
            • MD5 SHA1 SHA512 SSDEEP

            jna-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-5.5.0.jar
            • Size 1.4MB
            • SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
            • MD5 SHA1 SHA512 SSDEEP

            jna-platform-5.5.0.jar

            • Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
            • Size 2.6MB
            • SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
            • MD5 SHA1 SHA512 SSDEEP

            sqlite-jdbc-3.14.2.1.jar

            • Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
            • Size 4.1MB
            • SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
            • MD5 SHA1 SHA512 SSDEEP

            system-hook-3.5.jar

            • Path C:\Users\Admin\lib\system-hook-3.5.jar
            • Size 772KB
            • SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
            • MD5 SHA1 SHA512 SSDEEP

            memory/2636-304-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-301-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-303-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-267-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-307-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-313-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-253-0x0000018FB8920000-0x0000018FB8921000-memory.dmp

            memory/2636-355-0x0000000061680000-0x000000006176D000-memory.dmp

            memory/3508-111-0x00000184079D0000-0x00000184079E0000-memory.dmp

            memory/3508-131-0x0000018407A90000-0x0000018407AA0000-memory.dmp

            memory/3508-54-0x0000018407900000-0x0000018407910000-memory.dmp

            memory/3508-53-0x00000184078F0000-0x0000018407900000-memory.dmp

            memory/3508-52-0x00000184079D0000-0x00000184079E0000-memory.dmp

            memory/3508-63-0x0000018407940000-0x0000018407950000-memory.dmp

            memory/3508-62-0x0000018407A10000-0x0000018407A20000-memory.dmp

            memory/3508-61-0x0000018407920000-0x0000018407930000-memory.dmp

            memory/3508-60-0x0000018407930000-0x0000018407940000-memory.dmp

            memory/3508-59-0x0000018407A00000-0x0000018407A10000-memory.dmp

            memory/3508-58-0x00000184079F0000-0x0000018407A00000-memory.dmp

            memory/3508-56-0x0000018407910000-0x0000018407920000-memory.dmp

            memory/3508-51-0x00000184079E0000-0x00000184079F0000-memory.dmp

            memory/3508-49-0x00000184079C0000-0x00000184079D0000-memory.dmp

            memory/3508-67-0x0000018407950000-0x0000018407960000-memory.dmp

            memory/3508-68-0x0000018407A20000-0x0000018407A30000-memory.dmp

            memory/3508-69-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-73-0x0000018407A30000-0x0000018407A40000-memory.dmp

            memory/3508-72-0x0000018407970000-0x0000018407980000-memory.dmp

            memory/3508-71-0x0000018407960000-0x0000018407970000-memory.dmp

            memory/3508-85-0x0000018407A60000-0x0000018407A70000-memory.dmp

            memory/3508-90-0x0000018407A80000-0x0000018407A90000-memory.dmp

            memory/3508-89-0x0000018407990000-0x00000184079A0000-memory.dmp

            memory/3508-96-0x0000018407AC0000-0x0000018407AD0000-memory.dmp

            memory/3508-95-0x0000018407AB0000-0x0000018407AC0000-memory.dmp

            memory/3508-94-0x0000018407AA0000-0x0000018407AB0000-memory.dmp

            memory/3508-93-0x00000184079A0000-0x00000184079B0000-memory.dmp

            memory/3508-88-0x0000018407A70000-0x0000018407A80000-memory.dmp

            memory/3508-87-0x0000018407A90000-0x0000018407AA0000-memory.dmp

            memory/3508-82-0x0000018407A50000-0x0000018407A60000-memory.dmp

            memory/3508-81-0x0000018407A40000-0x0000018407A50000-memory.dmp

            memory/3508-79-0x0000018407980000-0x0000018407990000-memory.dmp

            memory/3508-102-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-103-0x00000184079B0000-0x00000184079C0000-memory.dmp

            memory/3508-104-0x0000018407AD0000-0x0000018407AE0000-memory.dmp

            memory/3508-106-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-109-0x0000018407AE0000-0x0000018407AF0000-memory.dmp

            memory/3508-108-0x00000184079E0000-0x00000184079F0000-memory.dmp

            memory/3508-107-0x00000184079C0000-0x00000184079D0000-memory.dmp

            memory/3508-114-0x0000018407A00000-0x0000018407A10000-memory.dmp

            memory/3508-113-0x00000184079F0000-0x0000018407A00000-memory.dmp

            memory/3508-112-0x0000018407AF0000-0x0000018407B00000-memory.dmp

            memory/3508-45-0x00000184079B0000-0x00000184079C0000-memory.dmp

            memory/3508-116-0x0000018407A10000-0x0000018407A20000-memory.dmp

            memory/3508-118-0x0000018407B00000-0x0000018407B10000-memory.dmp

            memory/3508-117-0x0000018407AF0000-0x0000018407B00000-memory.dmp

            memory/3508-121-0x0000018407B10000-0x0000018407B20000-memory.dmp

            memory/3508-120-0x0000018407A20000-0x0000018407A30000-memory.dmp

            memory/3508-124-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-127-0x0000018407B20000-0x0000018407B30000-memory.dmp

            memory/3508-126-0x0000018407A60000-0x0000018407A70000-memory.dmp

            memory/3508-125-0x0000018407A30000-0x0000018407A40000-memory.dmp

            memory/3508-133-0x0000018407B30000-0x0000018407B40000-memory.dmp

            memory/3508-48-0x0000018407680000-0x00000184078F0000-memory.dmp

            memory/3508-130-0x0000018407A50000-0x0000018407A60000-memory.dmp

            memory/3508-129-0x0000018407A40000-0x0000018407A50000-memory.dmp

            memory/3508-134-0x0000018407A70000-0x0000018407A80000-memory.dmp

            memory/3508-136-0x0000018407B40000-0x0000018407B50000-memory.dmp

            memory/3508-135-0x0000018407A80000-0x0000018407A90000-memory.dmp

            memory/3508-137-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-145-0x0000018407B50000-0x0000018407B60000-memory.dmp

            memory/3508-144-0x0000018407AC0000-0x0000018407AD0000-memory.dmp

            memory/3508-143-0x0000018407AB0000-0x0000018407AC0000-memory.dmp

            memory/3508-142-0x0000018407AA0000-0x0000018407AB0000-memory.dmp

            memory/3508-148-0x0000018407B60000-0x0000018407B70000-memory.dmp

            memory/3508-147-0x0000018407AD0000-0x0000018407AE0000-memory.dmp

            memory/3508-153-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-157-0x0000018407AE0000-0x0000018407AF0000-memory.dmp

            memory/3508-159-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-164-0x0000018407920000-0x0000018407930000-memory.dmp

            memory/3508-163-0x0000018407910000-0x0000018407920000-memory.dmp

            memory/3508-162-0x0000018407900000-0x0000018407910000-memory.dmp

            memory/3508-161-0x00000184078F0000-0x0000018407900000-memory.dmp

            memory/3508-160-0x00000184079D0000-0x00000184079E0000-memory.dmp

            memory/3508-170-0x00000184079A0000-0x00000184079B0000-memory.dmp

            memory/3508-172-0x00000184079C0000-0x00000184079D0000-memory.dmp

            memory/3508-180-0x0000018407AB0000-0x0000018407AC0000-memory.dmp

            memory/3508-179-0x0000018407A90000-0x0000018407AA0000-memory.dmp

            memory/3508-178-0x0000018407980000-0x0000018407990000-memory.dmp

            memory/3508-177-0x0000018407A30000-0x0000018407A40000-memory.dmp

            memory/3508-176-0x0000018407930000-0x0000018407940000-memory.dmp

            memory/3508-175-0x00000184079F0000-0x0000018407A00000-memory.dmp

            memory/3508-174-0x0000018407680000-0x00000184078F0000-memory.dmp

            memory/3508-173-0x00000184079E0000-0x00000184079F0000-memory.dmp

            memory/3508-171-0x00000184079B0000-0x00000184079C0000-memory.dmp

            memory/3508-169-0x0000018407990000-0x00000184079A0000-memory.dmp

            memory/3508-168-0x0000018407970000-0x0000018407980000-memory.dmp

            memory/3508-167-0x0000018407960000-0x0000018407970000-memory.dmp

            memory/3508-166-0x0000018407950000-0x0000018407960000-memory.dmp

            memory/3508-165-0x0000018407940000-0x0000018407950000-memory.dmp

            memory/3508-4-0x0000018407680000-0x00000184078F0000-memory.dmp

            memory/3508-43-0x00000184079A0000-0x00000184079B0000-memory.dmp

            memory/3508-40-0x0000018407990000-0x00000184079A0000-memory.dmp

            memory/3508-34-0x0000018407980000-0x0000018407990000-memory.dmp

            memory/3508-32-0x0000018407660000-0x0000018407661000-memory.dmp

            memory/3508-30-0x0000018407960000-0x0000018407970000-memory.dmp

            memory/3508-31-0x0000018407970000-0x0000018407980000-memory.dmp

            memory/3508-28-0x0000018407950000-0x0000018407960000-memory.dmp

            memory/3508-23-0x0000018407920000-0x0000018407930000-memory.dmp

            memory/3508-24-0x0000018407930000-0x0000018407940000-memory.dmp

            memory/3508-25-0x0000018407940000-0x0000018407950000-memory.dmp

            memory/3508-19-0x0000018407910000-0x0000018407920000-memory.dmp

            memory/3508-17-0x0000018407900000-0x0000018407910000-memory.dmp

            memory/3508-16-0x00000184078F0000-0x0000018407900000-memory.dmp

            memory/3716-218-0x0000020391400000-0x0000020391401000-memory.dmp