Analysis

  • max time kernel
    898s
  • max time network
    874s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/03/2025, 22:11

General

  • Target

    X.exe

  • Size

    82KB

  • MD5

    b201ce5dcb58284da7a5ef6294418e56

  • SHA1

    27573051f80debfd74e1a72d27cfd29f58c76d7e

  • SHA256

    188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed

  • SHA512

    f282f9efa40ce5e753faf803079af9aae478711e6e2f3dcf09c744ae3e670c6ef0cb18b62c8e57ba825faef8c396dd481768ef0680681d4b1b80ad1c3433f11c

  • SSDEEP

    1536:D2wgD0/WhgBpRCn3wtSD+bQ6QqTMj34Al6G4tIzOasNnP6UO:ywkeWQCn1+bQdjrytuOa6Sz

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Attributes
  • Install_directory

    %AppData%

  • install_file

    SolaraX.exe

Signatures

  • Detect Xworm Payload 14 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 15 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 27 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Users\Admin\AppData\Local\Temp\X.exe
    "C:\Users\Admin\AppData\Local\Temp\X.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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\X.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2868
    • 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\SolaraX.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SolaraX.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1528
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SolaraX" /tr "C:\Users\Admin\AppData\Roaming\SolaraX.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2956
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://imgur.com/a/LIxwhY3
      2⤵
      • Modifies Internet Explorer Phishing Filter
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3012 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2436
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C13279F8-D28E-42D8-B11B-C1749F3BD4B9} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2928
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:712
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2548
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:476
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2140
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:696
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1892
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:676
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:896
    • C:\Users\Admin\AppData\Roaming\SolaraX.exe
      C:\Users\Admin\AppData\Roaming\SolaraX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    b9624f1f5dfdf2e87b0e1c871bcdac27

    SHA1

    0320dd437f8e3a3ea42441a6c1762a8d12d5262e

    SHA256

    3ede470c67ee950269820ff393d02a26758aeb5d513d520a2deec694ac2f3a25

    SHA512

    7d4f3fab76acc5fd2ccd2d0a6077c7063b08d8cf4836a79c9bf589139e2f5a15ca5eb849f3e7890ffe2bb328bf6836f64016915a5a08fb78bde5418f88f6fb9f

  • C:\Users\Admin\AppData\Local\Temp\Tar31A2.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    9c0b10a51a2a6b5b75364ddff860237a

    SHA1

    1679b13bac10522edf0459879dbfa4f3be597371

    SHA256

    d98db77d9825ea692d1e6a4acdcd91e08db59e977b8d7133d2aa085b178826b5

    SHA512

    fbbd171a9be0380604bcf7d1c7a4ddb964dd25227608873b0acbd57b0ff420e2efb0c329a877d39357e09b2aff2c0d9484aae57e797027456571d33e46d95aa6

  • C:\Users\Admin\AppData\Roaming\SolaraX.exe

    Filesize

    82KB

    MD5

    b201ce5dcb58284da7a5ef6294418e56

    SHA1

    27573051f80debfd74e1a72d27cfd29f58c76d7e

    SHA256

    188d525daed5c014ea5ae62a1fd1841d783693e41712ea58b9906cda2b60dbed

    SHA512

    f282f9efa40ce5e753faf803079af9aae478711e6e2f3dcf09c744ae3e670c6ef0cb18b62c8e57ba825faef8c396dd481768ef0680681d4b1b80ad1c3433f11c

  • memory/476-114-0x00000000003D0000-0x00000000003EA000-memory.dmp

    Filesize

    104KB

  • memory/712-108-0x00000000002F0000-0x000000000030A000-memory.dmp

    Filesize

    104KB

  • memory/1472-116-0x0000000000C30000-0x0000000000C4A000-memory.dmp

    Filesize

    104KB

  • memory/1892-123-0x00000000010B0000-0x00000000010CA000-memory.dmp

    Filesize

    104KB

  • memory/2140-120-0x0000000000F60000-0x0000000000F7A000-memory.dmp

    Filesize

    104KB

  • memory/2188-0-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

    Filesize

    4KB

  • memory/2188-36-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

    Filesize

    4KB

  • memory/2188-37-0x000000001B270000-0x000000001B2F0000-memory.dmp

    Filesize

    512KB

  • memory/2188-31-0x000000001B270000-0x000000001B2F0000-memory.dmp

    Filesize

    512KB

  • memory/2188-1-0x0000000000AF0000-0x0000000000B0A000-memory.dmp

    Filesize

    104KB

  • memory/2188-78-0x0000000000AA0000-0x0000000000AAC000-memory.dmp

    Filesize

    48KB

  • memory/2256-127-0x0000000001380000-0x000000000139A000-memory.dmp

    Filesize

    104KB

  • memory/2260-110-0x0000000000B90000-0x0000000000BAA000-memory.dmp

    Filesize

    104KB

  • memory/2332-118-0x0000000000240000-0x000000000025A000-memory.dmp

    Filesize

    104KB

  • memory/2548-112-0x0000000001260000-0x000000000127A000-memory.dmp

    Filesize

    104KB

  • memory/2728-35-0x0000000000F40000-0x0000000000F5A000-memory.dmp

    Filesize

    104KB

  • memory/2868-15-0x0000000001E90000-0x0000000001E98000-memory.dmp

    Filesize

    32KB

  • memory/2868-14-0x000000001B4E0000-0x000000001B7C2000-memory.dmp

    Filesize

    2.9MB

  • memory/2928-106-0x0000000000300000-0x000000000031A000-memory.dmp

    Filesize

    104KB

  • memory/2940-8-0x0000000001D20000-0x0000000001D28000-memory.dmp

    Filesize

    32KB

  • memory/2940-7-0x000000001B7B0000-0x000000001BA92000-memory.dmp

    Filesize

    2.9MB

  • memory/2940-6-0x0000000002DA0000-0x0000000002E20000-memory.dmp

    Filesize

    512KB

  • memory/3024-77-0x00000000010D0000-0x00000000010EA000-memory.dmp

    Filesize

    104KB