Overview

overview

10

Static

static

10

Solara.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2025, 15:23

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General

  • Target

    Solara.exe

  • Size

    44KB

  • MD5

    f97f950cb8189fa9277dbb958a2aed50

  • SHA1

    cc7f285d445084dece753a6d223750fc0c48bbe8

  • SHA256

    57db2008ffe3b1c17ce48ceb0c4c08149a3830c84eefd9148bc96fefd42d69a1

  • SHA512

    c3074a2112bb7c82bd6f0c4ec84747915d8bb1a10c41e1dbe8550b6bc569c89eb1d7e1dcd1144ec21cf3370538a569fc303b400c926c94755f0a33dc401fa7e7

  • SSDEEP

    768:w26G+HIgGa2tdwJrMblsUUdvFFRPG9+V6OOCh5vmbW3:76hHIgmcJTvFw9+V6OOCbui3

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Solara.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3664
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Solara.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1688
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1940
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2272
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4612
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4340
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5036
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

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

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    Download Submit

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

    944B

    MD5

    bb812b3e31d6bcd9430e1859693c9856

    SHA1

    2e2fd106bd4c2cfb827a2db22cdfc12d9a2aebe1

    SHA256

    36d73bca447ed277c72b5af7fe1e4f8d076e857fa82a7dd00e485138b9da673b

    SHA512

    8bb6f11f4a69f6b1b0a2ff36f45c646cb726933a613e7c4d4b7c20e6c042616047beb4057675687d9f96e564c141b1a4b6f50fe793ec163393d57124a06319f4

    Download Submit

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

    944B

    MD5

    cc19bcff372d20459d3651ba8aef50e7

    SHA1

    3c6f1d4cdd647864fb97a16b1aefba67fcee11f7

    SHA256

    366473e774d8976c7fd4dc582220666fb61a4feb3f7c95e69b2a68ad9e446ec9

    SHA512

    a0e360ca4b6e874fd44612bf4b17f3722c0619da4f6bade12a62efadae88c2d33460114eaafa2bc3fb1cef5bea07e745b8bee24f15d0cacaff5f4a521b225080

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_le2ryent.fss.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk
    Filesize

    771B

    MD5

    4b4e41e22fd81571973cd642888b4a60

    SHA1

    39700e76fae341b52922f8325e3815c4611f6a07

    SHA256

    dcb144bc36b6e6906927efad3262acc09e139f8376d3f59ca21817ada10ac500

    SHA512

    4e2a412cb0445c5a5d5313bdcaf822bbd6e9033b2dff24a77b75dbae85cb19bbd420d786ab4a8d953c456832dc2610782241497563cad49cc8a697dafed47ed5

    Download Submit

  • C:\Users\Admin\AppData\Roaming\svchost.exe
    Filesize

    44KB

    MD5

    f97f950cb8189fa9277dbb958a2aed50

    SHA1

    cc7f285d445084dece753a6d223750fc0c48bbe8

    SHA256

    57db2008ffe3b1c17ce48ceb0c4c08149a3830c84eefd9148bc96fefd42d69a1

    SHA512

    c3074a2112bb7c82bd6f0c4ec84747915d8bb1a10c41e1dbe8550b6bc569c89eb1d7e1dcd1144ec21cf3370538a569fc303b400c926c94755f0a33dc401fa7e7

    Download Submit

  • memory/3664-14-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3664-15-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3664-18-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3664-13-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3664-12-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3664-2-0x00000286EA820000-0x00000286EA842000-memory.dmp

    Filesize

    136KB

    Download

  • memory/4612-70-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-67-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-60-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-61-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-62-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-72-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-71-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-66-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-69-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4612-68-0x0000021750960000-0x0000021750961000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4900-59-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4900-0-0x00007FFA763E3000-0x00007FFA763E5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4900-58-0x00007FFA763E0000-0x00007FFA76EA1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4900-53-0x00007FFA763E3000-0x00007FFA763E5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4900-1-0x0000000000A50000-0x0000000000A62000-memory.dmp

    Filesize

    72KB

    Download