Analysis Overview
SHA256
8150de8ca7edf3ba414fb09d1387c0751189969e5f9f69090593dc31d7d76c00
Threat Level: Known bad
The file caf.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Creates scheduled task(s)
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-27 10:16
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-27 10:16
Reported
2024-05-27 10:18
Platform
win7-20240419-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sys.lnk | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sys.lnk | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\sys = "C:\\Users\\Admin\\AppData\\Roaming\\sys.exe" | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\devmgmt.msc | C:\Windows\system32\mmc.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4ED71BE1-1C12-11EF-AD38-76E827BE66E5} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d7c7e73b934388418857a0db8be9c1d100000000020000000000106600000001000020000000b556e9618dce77f1aee8716fd367313b8ef9dae02747be3fcaf77b73a0507ce6000000000e8000000002000020000000f4b31196fa3df9c7e36baef6183f85221eedc8e327e34986d3a8f9df4764684720000000ca829995309e856e2140b0873a0a0dc312579fa49a140b800ae9e31b10263b3340000000f95a53b73c36e4830942332bb145839ddac0b692cc9dfe38cde7b1155235a5abf32825f7597b9df23856b5e81d1f089dbefbd2265676d46d704cd6c7bc58cff3 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MINIE | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0c755231fb0da01 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\mmc.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\mmc.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\mmc.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\mmc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
| N/A | N/A | C:\Windows\system32\mmc.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\caf.exe
"C:\Users\Admin\AppData\Local\Temp\caf.exe"
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\caf.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'caf.exe'
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\sys.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sys.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "sys" /tr "C:\Users\Admin\AppData\Roaming\sys.exe"
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Windows\System32\control.exe
"C:\Windows\System32\control.exe" SYSTEM
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" C:\Windows\system32\devmgmt.msc
C:\Windows\system32\taskeng.exe
taskeng.exe {0814B9E4-FA77-4686-BA73-E5DDDBF0FCA8} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\SendUnlock.gif
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1856 CREDAT:275457 /prefetch:2
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Users\Admin\AppData\Roaming\sys.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | sent-down.gl.at.ply.gg | udp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
Files
memory/2236-0-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp
memory/2236-1-0x0000000000B70000-0x0000000000B88000-memory.dmp
memory/2236-2-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp
memory/2560-7-0x0000000002B90000-0x0000000002C10000-memory.dmp
memory/2560-8-0x000000001B680000-0x000000001B962000-memory.dmp
memory/2560-9-0x0000000002870000-0x0000000002878000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 8e72f8e144c029b794dd3aea1a494825 |
| SHA1 | 1670c2d3278474972e5ae2d8eb1edbb9c4140b38 |
| SHA256 | 99e1c0a960cb97c805199ede4037932f5dac0528a283313d208696a1c2762969 |
| SHA512 | 15ced8adf1c2cba874ff071c7ca45d0f33e31c1b940a756346eb1b4b8928f9ff05b68c7c0516386558c2d54d464c79524199f1af822db788f4c267a682d52b0f |
memory/2492-15-0x000000001B500000-0x000000001B7E2000-memory.dmp
memory/2492-16-0x00000000028F0000-0x00000000028F8000-memory.dmp
memory/2236-31-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp
memory/2236-32-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp
memory/320-33-0x000007FEEE210000-0x000007FEEE24A000-memory.dmp
C:\Users\Admin\AppData\Roaming\sys.exe
| MD5 | 791135ea6c451485f0ce1f2c84eb5604 |
| SHA1 | 79825fba4b0835a362eb74b674870ddc6c898bac |
| SHA256 | 8150de8ca7edf3ba414fb09d1387c0751189969e5f9f69090593dc31d7d76c00 |
| SHA512 | f61cc6bb003013fb126cab60b9339027078fa55080ed085d8aadb980a3f0f12e0621bb64e79bd5126891fe3f66766932be0cbc4ebcefe58057ba78e3b3ce9bc6 |
memory/292-37-0x0000000000070000-0x0000000000088000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab47EB.tmp
| MD5 | 29f65ba8e88c063813cc50a4ea544e93 |
| SHA1 | 05a7040d5c127e68c25d81cc51271ffb8bef3568 |
| SHA256 | 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184 |
| SHA512 | e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa |
C:\Users\Admin\AppData\Local\Temp\Tar483D.tmp
| MD5 | 435a9ac180383f9fa094131b173a2f7b |
| SHA1 | 76944ea657a9db94f9a4bef38f88c46ed4166983 |
| SHA256 | 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34 |
| SHA512 | 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6e1c57e7aaaf7985f8db1b28059b5f28 |
| SHA1 | 2a4915b00f479e8ab855d80af397f946b3c69a40 |
| SHA256 | 43d64febed14c7a896d1c3160b43d2a9c25055f80fa79b3574da58a69b6e01cc |
| SHA512 | fb2a45e90357cecf0e41ae46ebf168fbb4612dd5cb01e9d5dd7a7d924520a523673bb53cf25654a5067aff7390785977fa1f766aca207e09b0725dc79cc782cf |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 27b0e9217a20e385f92ddc15fe7c784e |
| SHA1 | 263e3f8b14925fdac3b7057991afd6645427be22 |
| SHA256 | 26dfd1dc6ad9a8a12b0afc0e7348e8b5a07f32d96e0faa02a439dbc51c394544 |
| SHA512 | a8cccbaf1662d04e4e2491cbe33d566b55da5761264bb298a1b601be95eaa0d4e16bb2a9c4c0c7091cc99c3b2e24dd0285ab68d6173208ea77aa3a38b7c07ed0 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8ead040c103a88e32dc0836aeb677c21 |
| SHA1 | 7e038b634a31bf4802e2e758376215011f9bffe7 |
| SHA256 | 903af68b5ca9b851643255f83646b013e5c230faa86e07124de18d0217a28cde |
| SHA512 | 35f4c01a2123327c37203f3e550277a636cce5d446ac6ed9b7255db9e555e8ebdce1ff5733e8830afe17879b966d82d95d1aa6804d3f4dc34fea60ac81e8facd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5f1207de95c18ae648f3f0a80de5f3ff |
| SHA1 | fd395f5df72d03bee7749faff3a129b566d1baea |
| SHA256 | 8bfbf452ff2f30b7914a8d6252613c55198e52eb270c5106dab3db5e614b0f18 |
| SHA512 | 5f193b720f3e1203b822bd32940be001cbd5438b7a6f38b75d4549ea0c72b233f28a02238d4851baf03f79b6046a4ed56f9e4715fefb85baf56a7ded607e4db7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8744714de98cef147f8e23f275cc5155 |
| SHA1 | 32dc49040528cf815ffc0731bd046dc865939b6b |
| SHA256 | c9837d32855acf497e086a457b7546531675a01aeb032eb8ce9336b76a912e6b |
| SHA512 | d804814ed23118b9b00b74852c82cd34b9801348548b042c3aba3129e098ff8d6868b4f972e10bbb723d57ee3383a6a93f66fb1bf611c1203576ad885e259bcb |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c1067a6bc60794118b8471a0062bb6e0 |
| SHA1 | 237357f4a1f91fea3acd093b508e47fe01431b0b |
| SHA256 | 75613f86953c28983de14fffd6ec1ff56cf4a16560195013fcddef1cd502f95d |
| SHA512 | e3d6d391e266de7d279fae587214e0b76fd68e15935e23a39262d0810a4e2a445d09ccbfa0e5132e7cbbec85cc279834c12b92e3eedd276e07dc2198b1986978 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | db39ad5c3ea305dbb925a8cadce87cab |
| SHA1 | f31ad1c78768f392808f86f55a3927cde207cf4e |
| SHA256 | efa68f7397056699eccbce88920c64c98376e4dc1627ed8df2b6711dd1ea2b45 |
| SHA512 | 54a1309cdbf42280d162809f68d1eae27c511e163adf6c2c17f5d057b518d94cbc122b257359af47086f4ff52fffc67d36955f765fb62b3e0f283f727152db35 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 9c5f2a123214dcc4f7ab519be55cc5e5 |
| SHA1 | 5afecc3e2f2a26033a4c9ced5db8f6c565ad1a8c |
| SHA256 | 8f1e43f4095a51ba786396ba6a81265283e46cacd5fe364cfa24535f38095a5c |
| SHA512 | 5756912d755e37d51a97d5fcc7bb4b72e89eb8803568ccaffcdeb060fac4ac11d2dd70fcaaf3a0ae07bbe59379fd707c5e3d2e31f739b2a68839fdbaa6b96c76 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7c8eeaa65d6726641b95dae29b59b8f5 |
| SHA1 | f4af11203d48035bb5e58f479a4b2331a7917b5b |
| SHA256 | a2f89a2a40e79b3f8e9194ade6625323b3f19b2d4b3586f51dc135c8bc25bcd5 |
| SHA512 | 8e737e6e81e84e83c1b692853e1019ef06f95088de3b69b46a64fbf2b01be18e89a0c879fc2accc142d611bfe115fcb21599f9c32f4e83b6ba2ec2469ba37c6d |
C:\Users\Admin\AppData\Local\Temp\~DFCEF07526F89A1D75.TMP
| MD5 | 12ad44d3af07578a3227dc5c7e41633b |
| SHA1 | 7c0ce3352fa6802707ef54723a400df53eef7cdc |
| SHA256 | 35c6b3b92910c8e731b835e73e46e10ca37168731b171d88107adcba8231bb8c |
| SHA512 | 2e3f4e0eb46253f6a542793431616b64260616c2aa9c5cf76a8b25b77193113c971bda34e75372bc87f630832c044df98dc97ee524357ad7c5930fd14818955b |
memory/2796-481-0x0000000001180000-0x0000000001198000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-27 10:16
Reported
2024-05-27 10:18
Platform
win10v2004-20240508-en
Max time kernel
134s
Max time network
142s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sys.lnk | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sys.lnk | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sys = "C:\\Users\\Admin\\AppData\\Roaming\\sys.exe" | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\sys.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caf.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\caf.exe
"C:\Users\Admin\AppData\Local\Temp\caf.exe"
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\caf.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'caf.exe'
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\sys.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sys.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "sys" /tr "C:\Users\Admin\AppData\Roaming\sys.exe"
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Users\Admin\AppData\Roaming\sys.exe
C:\Users\Admin\AppData\Roaming\sys.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.168:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.168:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sent-down.gl.at.ply.gg | udp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
| US | 147.185.221.16:2905 | sent-down.gl.at.ply.gg | tcp |
Files
memory/2760-1-0x00000000000C0000-0x00000000000D8000-memory.dmp
memory/2760-0-0x00007FF99AA53000-0x00007FF99AA55000-memory.dmp
memory/2760-2-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
memory/4236-3-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
memory/4236-4-0x0000028C735C0000-0x0000028C735E2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qjqs0t0t.cd3.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4236-5-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
memory/4236-15-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
memory/4236-18-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 2e907f77659a6601fcc408274894da2e |
| SHA1 | 9f5b72abef1cd7145bf37547cdb1b9254b4efe9d |
| SHA256 | 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233 |
| SHA512 | 34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 672702f55e79800155f81b200ae32c11 |
| SHA1 | dfaaf4ad96e5d49d9f0cd36de2fe59cdda0e4a70 |
| SHA256 | 69efe7d499bed2ebe41ecbf1d51fc326e191e0108bfc53f4f5700175e4588179 |
| SHA512 | b488290bf641d99120db2521489322b1e5552ba4868c732c6949105e5eef0902711ef896af4641075f6b66b4dcabc7bf8942ecf1d077e21b4cf005df73522368 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | e3161f4edbc9b963debe22e29658050b |
| SHA1 | 45dbf88dadafe5dd1cfee1e987c8a219d3208cdb |
| SHA256 | 1359d6daeaed2f254b162914203c891b23139cc236a3bf75c2dfcbe26265c84a |
| SHA512 | 006ffb8f37d1f77f8ee79b22ffa413819f565d62773c632b70985759572121c6ab4743139d16d885f8c0ff9d0e0b136686741728b3e142ee54aea3bb733dffb2 |
memory/2760-57-0x00007FF99AA53000-0x00007FF99AA55000-memory.dmp
memory/2760-58-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp
C:\Users\Admin\AppData\Roaming\sys.exe
| MD5 | 791135ea6c451485f0ce1f2c84eb5604 |
| SHA1 | 79825fba4b0835a362eb74b674870ddc6c898bac |
| SHA256 | 8150de8ca7edf3ba414fb09d1387c0751189969e5f9f69090593dc31d7d76c00 |
| SHA512 | f61cc6bb003013fb126cab60b9339027078fa55080ed085d8aadb980a3f0f12e0621bb64e79bd5126891fe3f66766932be0cbc4ebcefe58057ba78e3b3ce9bc6 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\sys.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |