Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 01:20

General

  • Target

    4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar

  • Size

    84KB

  • MD5

    ddaffd1e47777bd6ee6f1d89f80dbddb

  • SHA1

    66c0dd7372365df8546b63d98f8c2c4eb0759429

  • SHA256

    4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

  • SHA512

    3fa34856f71640e635b75c1e8365db43f60d164f7122fce6612cf1d22d9ee9ddd9e8fd493076dcc69a5348a6a5d4db345fdbb869716905cb679210b12ba00060

  • SSDEEP

    1536:dVu6KIkej8xhZfQk7A0eSaNa650oIDZaQx2fCRMiMUTBEbY4dTe46gX+LFSnUhru:j2r1fH7A0dT6HFfCi

Malware Config

Signatures

  • STRRAT

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

  • Drops startup file 1 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\system32\schtasks.exe
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3480
    • 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\4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1140
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2592
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
          4⤵
            PID:4360
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4032
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
            4⤵
              PID:5072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c.jar

        Filesize

        84KB

        MD5

        ddaffd1e47777bd6ee6f1d89f80dbddb

        SHA1

        66c0dd7372365df8546b63d98f8c2c4eb0759429

        SHA256

        4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

        SHA512

        3fa34856f71640e635b75c1e8365db43f60d164f7122fce6612cf1d22d9ee9ddd9e8fd493076dcc69a5348a6a5d4db345fdbb869716905cb679210b12ba00060

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        2333037e59a217c4434802bf5c9a9ff9

        SHA1

        f1548d94532da0261cc5b85fdaf19d43a94db822

        SHA256

        e0fc2c1038403894c2eb3ac3464b93fe7337232b8f0dc9d32eb0349124ac612f

        SHA512

        b02c9bafba3ac60a479dfe491db3e972513da2777c36b075de77dd3323413c1bf63650e35c1afc4f9911baa045d43f863646129e36a7036cbcce0b46eff8bcec

      • memory/804-18-0x000001C733A00000-0x000001C733A10000-memory.dmp

        Filesize

        64KB

      • memory/804-39-0x000001C733A20000-0x000001C733A30000-memory.dmp

        Filesize

        64KB

      • memory/804-14-0x000001C7339E0000-0x000001C7339F0000-memory.dmp

        Filesize

        64KB

      • memory/804-21-0x000001C733A10000-0x000001C733A20000-memory.dmp

        Filesize

        64KB

      • memory/804-22-0x000001C733A20000-0x000001C733A30000-memory.dmp

        Filesize

        64KB

      • memory/804-25-0x000001C733A30000-0x000001C733A40000-memory.dmp

        Filesize

        64KB

      • memory/804-12-0x000001C7339D0000-0x000001C7339E0000-memory.dmp

        Filesize

        64KB

      • memory/804-31-0x000001C731F90000-0x000001C731F91000-memory.dmp

        Filesize

        4KB

      • memory/804-40-0x000001C733A30000-0x000001C733A40000-memory.dmp

        Filesize

        64KB

      • memory/804-17-0x000001C7339F0000-0x000001C733A00000-memory.dmp

        Filesize

        64KB

      • memory/804-38-0x000001C733A10000-0x000001C733A20000-memory.dmp

        Filesize

        64KB

      • memory/804-37-0x000001C733A00000-0x000001C733A10000-memory.dmp

        Filesize

        64KB

      • memory/804-36-0x000001C7339F0000-0x000001C733A00000-memory.dmp

        Filesize

        64KB

      • memory/804-35-0x000001C7339E0000-0x000001C7339F0000-memory.dmp

        Filesize

        64KB

      • memory/804-34-0x000001C7339D0000-0x000001C7339E0000-memory.dmp

        Filesize

        64KB

      • memory/804-33-0x000001C733760000-0x000001C7339D0000-memory.dmp

        Filesize

        2.4MB

      • memory/804-2-0x000001C733760000-0x000001C7339D0000-memory.dmp

        Filesize

        2.4MB

      • memory/4996-64-0x000001E970780000-0x000001E970790000-memory.dmp

        Filesize

        64KB

      • memory/4996-81-0x000001E970740000-0x000001E970750000-memory.dmp

        Filesize

        64KB

      • memory/4996-58-0x000001E970750000-0x000001E970760000-memory.dmp

        Filesize

        64KB

      • memory/4996-44-0x000001E9704D0000-0x000001E970740000-memory.dmp

        Filesize

        2.4MB

      • memory/4996-65-0x000001E970790000-0x000001E9707A0000-memory.dmp

        Filesize

        64KB

      • memory/4996-63-0x000001E970770000-0x000001E970780000-memory.dmp

        Filesize

        64KB

      • memory/4996-69-0x000001E9707A0000-0x000001E9707B0000-memory.dmp

        Filesize

        64KB

      • memory/4996-70-0x000001E9707B0000-0x000001E9707C0000-memory.dmp

        Filesize

        64KB

      • memory/4996-62-0x000001E970760000-0x000001E970770000-memory.dmp

        Filesize

        64KB

      • memory/4996-73-0x000001E9707D0000-0x000001E9707E0000-memory.dmp

        Filesize

        64KB

      • memory/4996-72-0x000001E9707C0000-0x000001E9707D0000-memory.dmp

        Filesize

        64KB

      • memory/4996-76-0x000001E96EC70000-0x000001E96EC71000-memory.dmp

        Filesize

        4KB

      • memory/4996-79-0x000001E9704D0000-0x000001E970740000-memory.dmp

        Filesize

        2.4MB

      • memory/4996-56-0x000001E970740000-0x000001E970750000-memory.dmp

        Filesize

        64KB

      • memory/4996-82-0x000001E970750000-0x000001E970760000-memory.dmp

        Filesize

        64KB

      • memory/4996-84-0x000001E970760000-0x000001E970770000-memory.dmp

        Filesize

        64KB

      • memory/4996-86-0x000001E970780000-0x000001E970790000-memory.dmp

        Filesize

        64KB

      • memory/4996-85-0x000001E970770000-0x000001E970780000-memory.dmp

        Filesize

        64KB

      • memory/4996-87-0x000001E970790000-0x000001E9707A0000-memory.dmp

        Filesize

        64KB

      • memory/4996-88-0x000001E9707A0000-0x000001E9707B0000-memory.dmp

        Filesize

        64KB

      • memory/4996-89-0x000001E9707B0000-0x000001E9707C0000-memory.dmp

        Filesize

        64KB

      • memory/4996-91-0x000001E9707D0000-0x000001E9707E0000-memory.dmp

        Filesize

        64KB

      • memory/4996-90-0x000001E9707C0000-0x000001E9707D0000-memory.dmp

        Filesize

        64KB

      • memory/4996-92-0x000001E9707E0000-0x000001E9707F0000-memory.dmp

        Filesize

        64KB

      • memory/4996-93-0x000001E9707F0000-0x000001E970800000-memory.dmp

        Filesize

        64KB