rhysida | 57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602

Analysis

max time kernel
106s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 13:44

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General

Target

Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
Size

245KB
MD5

3225b95fc72f238ab1e53bfabc11b551
SHA1

dcbd80dae14ff473b2c052863d01eb7fc7a536c3
SHA256

57a2401758b5282090f145623041a6c3805663de137505a7095df9e0271b4602
SHA512

b71573364c7034e2e174d05e16c8df399bebd87bfa13f723cbc1c176bf4ab4d533546012b2e26a9126bc1906f8f0265f38988ce37038cf4e39b92b65b216b1a1
SSDEEP

6144:6U502s1Aua/EadH9ZswGAgeH5Rrgj2MDjLSZr3Sf5xv/O:bns0//dZsF6Z/Mlf5x3O

Score

10^/10

rhysida credential_access defense_evasion discovery execution impact ransomware spyware stealer

Malware Config

Signatures

Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
ransomware rhysida
Rhysida family
rhysida
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (9484) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2228	powershell.exe

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Hide Artifacts: Hidden Window 1 TTPs 2 IoCs

Windows that would typically be displayed when an application carries out an operation can be hidden.

defense_evasion

Hidden Window

T1564.003

pid	Process
6304	cmd.exe
3548	cmd.exe

Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

Clear artifacts associated with previously established persistence like scheduletasks on a host.

defense_evasion

Clear Persistence

T1070.009

pid	Process
6304	cmd.exe
3548	cmd.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Public\\bg.jpg"	reg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-phn.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\Modules\Example3.Diagnostics\2.0.1\Diagnostics\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\edge_game_assist\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\VideoLAN\VLC\locale\zh_TW\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\VSTOFiles.cat.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ARIALN.TTF.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\contrast-black\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\Modules\Example3.Diagnostics\2.0.1\Diagnostics\Simple\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-oob.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\NewLimit.m3u.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-200_8wekyb3d8bbwe\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\it-IT\MSFT_PackageManagement.strings.psd1.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\tr-tr\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\Common Files\System\ja-JP\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\ug\LC_MESSAGES\vlc.mo.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\ko-kr\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\tr-tr\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Microsoft\EdgeWebView\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\es-ES\MSFT_PackageManagement.schema.mfl.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\Locales\ja.pak.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\Office Setup Controller\Office.en-us\PSS10R.CHM.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-white\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\de-de\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveDrop32x32.gif.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-stil.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\Cartridges\msql.xsl.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Views\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\uk-ua\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\en-il\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\ResiliencyLinks\Trust Protection Lists\manifest.json.DATA.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ppd.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Latn-RS\CriticalBreachDetected.pdf	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ANTQUABI.TTF.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\hu-hu\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\sv-se\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\Locales\af.pak.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_removeme-default_18.svg.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\uk-ua\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\file_info.png.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\nl-nl\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\walk-through\js\nls\ui-strings.js.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\ResiliencyLinks\Trust Protection Lists\Mu\Social.DATA.rhysida	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5788	cmd.exe
3644	cmd.exe
6772	PING.EXE

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
7120	vssadmin.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
6772	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	powershell.exe
2228	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeBackupPrivilege	1812	vssvc.exe
Token: SeRestorePrivilege	1812	vssvc.exe
Token: SeAuditPrivilege	1812	vssvc.exe
Token: SeDebugPrivilege	2228	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 6216	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	93
PID 1808 wrote to memory of 6216	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	93
PID 6216 wrote to memory of 2272	6216	cmd.exe	95
PID 6216 wrote to memory of 2272	6216	cmd.exe	95
PID 2272 wrote to memory of 7120	2272	cmd.exe	96
PID 2272 wrote to memory of 7120	2272	cmd.exe	96
PID 1808 wrote to memory of 2136	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	99
PID 1808 wrote to memory of 2136	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	99
PID 1808 wrote to memory of 3516	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	101
PID 1808 wrote to memory of 3516	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	101
PID 3516 wrote to memory of 1324	3516	cmd.exe	103
PID 3516 wrote to memory of 1324	3516	cmd.exe	103
PID 1324 wrote to memory of 872	1324	cmd.exe	104
PID 1324 wrote to memory of 872	1324	cmd.exe	104
PID 1808 wrote to memory of 4024	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	105
PID 1808 wrote to memory of 4024	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	105
PID 4024 wrote to memory of 1320	4024	cmd.exe	107
PID 4024 wrote to memory of 1320	4024	cmd.exe	107
PID 1320 wrote to memory of 4072	1320	cmd.exe	108
PID 1320 wrote to memory of 4072	1320	cmd.exe	108
PID 1808 wrote to memory of 5476	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	109
PID 1808 wrote to memory of 5476	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	109
PID 5476 wrote to memory of 4788	5476	cmd.exe	111
PID 5476 wrote to memory of 4788	5476	cmd.exe	111
PID 4788 wrote to memory of 6508	4788	cmd.exe	112
PID 4788 wrote to memory of 6508	4788	cmd.exe	112
PID 1808 wrote to memory of 7020	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	113
PID 1808 wrote to memory of 7020	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	113
PID 7020 wrote to memory of 3704	7020	cmd.exe	115
PID 7020 wrote to memory of 3704	7020	cmd.exe	115
PID 3704 wrote to memory of 5444	3704	cmd.exe	116
PID 3704 wrote to memory of 5444	3704	cmd.exe	116
PID 1808 wrote to memory of 2600	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	117
PID 1808 wrote to memory of 2600	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	117
PID 2600 wrote to memory of 5544	2600	cmd.exe	119
PID 2600 wrote to memory of 5544	2600	cmd.exe	119
PID 5544 wrote to memory of 512	5544	cmd.exe	120
PID 5544 wrote to memory of 512	5544	cmd.exe	120
PID 1808 wrote to memory of 5268	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	121
PID 1808 wrote to memory of 5268	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	121
PID 5268 wrote to memory of 5076	5268	cmd.exe	123
PID 5268 wrote to memory of 5076	5268	cmd.exe	123
PID 5076 wrote to memory of 6336	5076	cmd.exe	124
PID 5076 wrote to memory of 6336	5076	cmd.exe	124
PID 1808 wrote to memory of 2304	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	125
PID 1808 wrote to memory of 2304	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	125
PID 2304 wrote to memory of 4568	2304	cmd.exe	127
PID 2304 wrote to memory of 4568	2304	cmd.exe	127
PID 4568 wrote to memory of 5096	4568	cmd.exe	128
PID 4568 wrote to memory of 5096	4568	cmd.exe	128
PID 1808 wrote to memory of 4556	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	129
PID 1808 wrote to memory of 4556	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	129
PID 4556 wrote to memory of 4976	4556	cmd.exe	131
PID 4556 wrote to memory of 4976	4556	cmd.exe	131
PID 4976 wrote to memory of 5308	4976	cmd.exe	132
PID 4976 wrote to memory of 5308	4976	cmd.exe	132
PID 1808 wrote to memory of 1584	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	133
PID 1808 wrote to memory of 1584	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	133
PID 1584 wrote to memory of 6952	1584	cmd.exe	135
PID 1584 wrote to memory of 6952	1584	cmd.exe	135
PID 1808 wrote to memory of 6304	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	136
PID 1808 wrote to memory of 6304	1808	Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe	136
PID 6304 wrote to memory of 3548	6304	cmd.exe	138
PID 6304 wrote to memory of 3548	6304	cmd.exe	138

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

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:6216
- - C:\Windows\system32\cmd.exe
    cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      Interacts with shadow copies
      PID:7120
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ) DO wevtutil.exe cl "%1"
  2⤵
  PID:2136
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1324
  - - C:\Windows\system32\reg.exe
      reg delete "HKCU\Control Panel\Desktop" /v Wallpaper /f
      4⤵
      PID:872
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4024
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - C:\Windows\system32\reg.exe
      reg delete "HKCU\Control Panel\Desktop" /v WallpaperStyle /f
      4⤵
      PID:4072
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5476
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4788
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      PID:6508
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:7020
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3704
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      PID:5444
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5544
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      Sets desktop wallpaper using registry
      PID:512
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5268
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5076
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      PID:6336
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4568
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      PID:5096
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      PID:5308
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c rundll32.exe user32.dll,UpdatePerUserSystemParameters
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\system32\rundll32.exe
    rundll32.exe user32.dll,UpdatePerUserSystemParameters
    3⤵
    PID:6952
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c start powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
  2⤵
  - Hide Artifacts: Hidden Window
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:6304
- - C:\Windows\system32\cmd.exe
    cmd.exe /c start powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
    3⤵
    - Hide Artifacts: Hidden Window
    - Indicator Removal: Clear Persistence
    PID:3548
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -WindowStyle Hidden -Command "Sleep -Milliseconds 1000; schtasks /delete /tn Rhsd /f;"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2228
    - - C:\Windows\system32\schtasks.exe
        
        "C:\Windows\system32\schtasks.exe" /delete /tn Rhsd /f
        5⤵
        
        PID:3140
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c start ping 127.0.0.1 -n 2 > nul && del /f /q "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\Sigmanly_3225b95fc72f238ab1e53bfabc11b551.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:5788
- - C:\Windows\system32\cmd.exe
    cmd.exe /c start ping 127.0.0.1 -n 2
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    PID:3644
  - - C:\Windows\system32\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:6772

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1812

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Hide Artifacts

T1564

Hidden Window

T1564.003

Indicator Removal

T1070

Clear Persistence

T1070.009

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

Remote System Discovery

T1018

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\ResiliencyLinks\VisualElements\SmallLogoCanary.png.DATA.rhysida

Filesize
17KB

MD5
dcb004410f17cce92a0422bae48fa3d7

SHA1
5c795071735dedd6ccf1b0af14ab366c8c250530

SHA256
56bdc791fa04ed27f59e3d40397ea2c38da8ddd85f955762e0bc10d59b434717

SHA512
4217858a7d221514c22cd585fc6e315aed8c3c01dc756652bb20c7022f0e3f94184e3fd14ad70038bc18a849d7d41e1107444c5e34c6d45343523a9687c7f35c

Download Submit
C:\Program Files\CriticalBreachDetected.pdf

Filesize
111KB

MD5
6e08afd4f953bed223fc48853f6ee5b4

SHA1
3eb7f5cc9044d256ce07821bad45ebf166bbde60

SHA256
7b9198897fa8f19835458a35ce4af8350ed953f93e09acbafff26c66adbaf8d5

SHA512
174541349e8b0782f00fd88912232f6f62a465ba37ec0fc6913885753cb8f451be0e8468f664046fb47f3b6beb92036af6e606b217acf1fbbedc6bd55f674fe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lcjf3hke.uxy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1808-0-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-6544-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-6523-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-14396-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-14587-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-14588-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1808-14601-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2228-14595-0x0000021C2BCB0000-0x0000021C2BCD2000-memory.dmp

Filesize
136KB

Download