Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/08/2024, 12:11

General

  • Target
    Solara/Solara/SolaraBootstrapper V3.exe
  • Size 50.4MB
  • Sample240811-pcltesyerj
  • SHA256 56b2926a2b7660cd8508a4913246eb49546b0ff084b4bfbfe0f399083edf8758
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3248
      • C:\Users\Admin\AppData\Local\Temp\Solara\Solara\SolaraBootstrapper V3.exe
        "C:\Users\Admin\AppData\Local\Temp\Solara\Solara\SolaraBootstrapper V3.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Click Click.cmd && Click.cmd && exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3520
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3260
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3172
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1376
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "avastui.exe avgui.exe bdservicehost.exe ekrn.exe nswscsvc.exe sophoshealth.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1996
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c md 555061
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3488
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V "latelygreeceharrymint" Heritage
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4932
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c copy /b ..\Relative + ..\Milfhunter + ..\Player + ..\Monte + ..\Reggae + ..\Coin + ..\Punishment + ..\Operator + ..\Satisfactory + ..\Ross w
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1500
          • C:\Users\Admin\AppData\Local\Temp\555061\Deeper.pif
            Deeper.pif w
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:4588
          • C:\Windows\SysWOW64\choice.exe
            choice /d y /t 5
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3164
      • C:\Users\Admin\AppData\Local\Temp\555061\RegAsm.exe
        C:\Users\Admin\AppData\Local\Temp\555061\RegAsm.exe
        2⤵
        • Executes dropped EXE
        PID:3196
      • C:\Users\Admin\AppData\Local\Temp\555061\RegAsm.exe
        C:\Users\Admin\AppData\Local\Temp\555061\RegAsm.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:656

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Deeper.pif

          • Path C:\Users\Admin\AppData\Local\Temp\555061\Deeper.pif
          • Size 872KB
          • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
          • MD5 SHA1 SHA512 SSDEEP

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\555061\RegAsm.exe
          • Size 63KB
          • SHA256 53195987d396986ebcb20425ac130e78ad308fdbd918f33f3fd92b99abda314b
          • MD5 SHA1 SHA512 SSDEEP

          w

          • Path C:\Users\Admin\AppData\Local\Temp\555061\w
          • Size 575KB
          • SHA256 5563cfff3da0a04106a9270951ed587a13da5328795f91d4cd77dd667cfa0816
          • MD5 SHA1 SHA512 SSDEEP

          Click

          • Path C:\Users\Admin\AppData\Local\Temp\Click
          • Size 12KB
          • SHA256 9894e29de2f116ad5ee0143c3b4ac7ae118299458dceb76ed6443c14ca8c8d5b
          • MD5 SHA1 SHA512 SSDEEP

          Coin

          • Path C:\Users\Admin\AppData\Local\Temp\Coin
          • Size 86KB
          • SHA256 3e83dd85db8c054f8fa5d9330968e33f1bf4a10d9285f7f353068a973d2a2646
          • MD5 SHA1 SHA512 SSDEEP

          Handjobs

          • Path C:\Users\Admin\AppData\Local\Temp\Handjobs
          • Size 872KB
          • SHA256 a0a2df0b6726bd2c6bda8fc38114fe92b32eec1c3d621fcb7b2938ca2368b438
          • MD5 SHA1 SHA512 SSDEEP

          Heritage

          • Path C:\Users\Admin\AppData\Local\Temp\Heritage
          • Size 285B
          • SHA256 81236e3f98b03472879e0f5ecf67bf0e288b23ad1c3c15ee2bb2c2d4d48714c1
          • MD5 SHA1 SHA512

          Milfhunter

          • Path C:\Users\Admin\AppData\Local\Temp\Milfhunter
          • Size 50KB
          • SHA256 44736ae60d9770901e7f75ab6981ba0aa19e0e1112dfbf0fbec18b93e8c8dc59
          • MD5 SHA1 SHA512 SSDEEP

          Monte

          • Path C:\Users\Admin\AppData\Local\Temp\Monte
          • Size 56KB
          • SHA256 f8fd8c3de07b2334b53eccbd8adda06ac64092e16077d5f6dfbc820ede0b2b09
          • MD5 SHA1 SHA512 SSDEEP

          Operator

          • Path C:\Users\Admin\AppData\Local\Temp\Operator
          • Size 72KB
          • SHA256 86afa7f20a0899d5e1ab11d0dc8d4d74650cbe29cfe5668e17e96eb10f04a49a
          • MD5 SHA1 SHA512 SSDEEP

          Player

          • Path C:\Users\Admin\AppData\Local\Temp\Player
          • Size 79KB
          • SHA256 e4d90c5ec872a65e8049346798654ad0d8e54f1accfe042e0e0af150a2de65d2
          • MD5 SHA1 SHA512 SSDEEP

          Punishment

          • Path C:\Users\Admin\AppData\Local\Temp\Punishment
          • Size 62KB
          • SHA256 3496e6f89a269fd0820d18badf467d293ea16cb58b8e4d6d4d2b7ea7dabcc34c
          • MD5 SHA1 SHA512 SSDEEP

          Reggae

          • Path C:\Users\Admin\AppData\Local\Temp\Reggae
          • Size 59KB
          • SHA256 41adfd84674f5954e04010b779f490da3ebed5bef926b45d5aa636599328dea9
          • MD5 SHA1 SHA512 SSDEEP

          Relative

          • Path C:\Users\Admin\AppData\Local\Temp\Relative
          • Size 56KB
          • SHA256 051bdf3bc1d0d6ea55002f1ef948d7d98030e27fab7eedd490fea599e88fe999
          • MD5 SHA1 SHA512 SSDEEP

          Ross

          • Path C:\Users\Admin\AppData\Local\Temp\Ross
          • Size 266B
          • SHA256 16ec82da6adbd96ef332315c570ff4bf99dd3b232f182bce734cdac3224fe6d9
          • MD5 SHA1 SHA512

          Satisfactory

          • Path C:\Users\Admin\AppData\Local\Temp\Satisfactory
          • Size 55KB
          • SHA256 b646819d1c4897739acfa72f13bcf60f416557f7c193e5212d3ea246b0a4d723
          • MD5 SHA1 SHA512 SSDEEP

          memory/656-37-0x00000000007B0000-0x0000000000864000-memory.dmp

          memory/656-40-0x0000000005330000-0x00000000058D6000-memory.dmp

          memory/656-41-0x0000000004E70000-0x0000000004F02000-memory.dmp

          memory/656-42-0x0000000004E30000-0x0000000004E3A000-memory.dmp