avoslocker | 05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-05-2024 13:33

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General

Target

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
Size

1002KB
MD5

7152fd25b0f11276a5bc19f2ccce5e75
SHA1

cba080861ab44809569f743a5aef581c0867938e
SHA256

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b
SHA512

503f0343838c062896ac5d27abfa681ac3e54db05dce691b23327d2f249430a992bb5eba85692fe41b3c09ce65df3ed089d3bd281f41a541bc798a8f10ca7016
SSDEEP

24576:G0XiZc8dyQNFphp8YPeM8LNKW3jGY+zSvxJcYq:7+NTXGM8LNF3jDQSoYq

Score

10^/10

avoslocker defense_evasion evasion execution impact ransomware

Malware Config

Signatures

Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
ransomware avoslocker
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

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

Processes:

bcdedit.exebcdedit.exe

pid	Process
1900	bcdedit.exe
2292	bcdedit.exe

Renames multiple (10371) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 1 IoCs

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

description	ioc	Process
File opened (read-only)	\??\Z:	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1172194971.png"	reg.exe

Drops file in Program Files directory 64 IoCs

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01158_.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\it-IT\gadget.xml	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Mail\fr-FR\msoeres.dll.mui	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR00.GIF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR7F.GIF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0292270.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Media Player\es-ES\WMPDMCCore.dll.mui	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chihuahua	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationRight_SelectionSubpicture.png	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\WCOMP98.POC	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01357_.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\prc\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_corner_top_left.png	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square_s.png	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\it-IT\PhotoAcq.dll.mui	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\OUTLOOK.DEV_K_COL.HXK	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME21.CSS	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\ja-JP\cpu.html	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\pt_BR\LC_MESSAGES\vlc.mo	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked-loading.png	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\MedianLetter.Dotx	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0187881.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Multimedia\MPP\Real.mpp	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jre7\lib\deploy\messages_fr.properties	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsScenesBackground_PAL.wmv	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\es-ES\picturePuzzle.html	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL095.XML	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files (x86)\Common Files\System\ado\it-IT\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107502.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152626.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\ICU\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ka\LC_MESSAGES\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Tijuana	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PG_INDEX.XML	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONINTL.DLL.IDX_DLL	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD07831_.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-remote_ja.jar	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs_5.5.0.165303.jar	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt.win32.win32.x86_64.nl_zh_4.4.0.v20140623020002.jar	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00166_.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\combo-hover-middle.png	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jre7\lib\images\cursors\invalid32x32.gif	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\binary\com.jrockit.mc.rcp.product_root_5.5.0.165303	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\LINEAR_RGB.pf	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN089.XML	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Document Parts\GET_YOUR_FILES_BACK.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02466U.BMP	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsdeu.xml	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01740_.GIF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-javahelp.xml	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-sampler.jar	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\feature.properties	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OLKIRM.XML	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN04269_.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107744.WMF	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Europe\Uzhgorod	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jre7\lib\deploy\messages_de.properties	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.commands.nl_zh_4.4.0.v20140623020002.jar	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0384900.JPG	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2364	powershell.exe
1296	powershell.exe

Interacts with shadow copies 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Processes:

vssadmin.exe

pid	Process
2352	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exepowershell.exepowershell.exe

pid	Process
1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
2364	powershell.exe
1296	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exeWMIC.exepowershell.exevssvc.exe

description	pid	Process
Token: SeTakeOwnershipPrivilege	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
Token: SeIncreaseQuotaPrivilege	2312	WMIC.exe
Token: SeSecurityPrivilege	2312	WMIC.exe
Token: SeTakeOwnershipPrivilege	2312	WMIC.exe
Token: SeLoadDriverPrivilege	2312	WMIC.exe
Token: SeSystemProfilePrivilege	2312	WMIC.exe
Token: SeSystemtimePrivilege	2312	WMIC.exe
Token: SeProfSingleProcessPrivilege	2312	WMIC.exe
Token: SeIncBasePriorityPrivilege	2312	WMIC.exe
Token: SeCreatePagefilePrivilege	2312	WMIC.exe
Token: SeBackupPrivilege	2312	WMIC.exe
Token: SeRestorePrivilege	2312	WMIC.exe
Token: SeShutdownPrivilege	2312	WMIC.exe
Token: SeDebugPrivilege	2312	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2312	WMIC.exe
Token: SeRemoteShutdownPrivilege	2312	WMIC.exe
Token: SeUndockPrivilege	2312	WMIC.exe
Token: SeManageVolumePrivilege	2312	WMIC.exe
Token: 33	2312	WMIC.exe
Token: 34	2312	WMIC.exe
Token: 35	2312	WMIC.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2236	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2312	WMIC.exe
Token: SeSecurityPrivilege	2312	WMIC.exe
Token: SeTakeOwnershipPrivilege	2312	WMIC.exe
Token: SeLoadDriverPrivilege	2312	WMIC.exe
Token: SeSystemProfilePrivilege	2312	WMIC.exe
Token: SeSystemtimePrivilege	2312	WMIC.exe
Token: SeProfSingleProcessPrivilege	2312	WMIC.exe
Token: SeIncBasePriorityPrivilege	2312	WMIC.exe
Token: SeCreatePagefilePrivilege	2312	WMIC.exe
Token: SeBackupPrivilege	2312	WMIC.exe
Token: SeRestorePrivilege	2312	WMIC.exe
Token: SeShutdownPrivilege	2312	WMIC.exe
Token: SeDebugPrivilege	2312	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2312	WMIC.exe
Token: SeRemoteShutdownPrivilege	2312	WMIC.exe
Token: SeUndockPrivilege	2312	WMIC.exe
Token: SeManageVolumePrivilege	2312	WMIC.exe
Token: 33	2312	WMIC.exe
Token: 34	2312	WMIC.exe
Token: 35	2312	WMIC.exe
Token: SeRestorePrivilege	2236	vssvc.exe
Token: SeAuditPrivilege	2236	vssvc.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe
Token: SeBackupPrivilege	2364	powershell.exe
Token: SeSecurityPrivilege	2364	powershell.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.execmd.execmd.execmd.execmd.execmd.exepowershell.exe

description	pid	Process	procid_target
PID 1252 wrote to memory of 1724	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	29
PID 1252 wrote to memory of 1724	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	29
PID 1252 wrote to memory of 1724	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	29
PID 1252 wrote to memory of 1724	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	29
PID 1252 wrote to memory of 1100	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	30
PID 1252 wrote to memory of 1100	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	30
PID 1252 wrote to memory of 1100	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	30
PID 1252 wrote to memory of 1100	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	30
PID 1252 wrote to memory of 1068	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	31
PID 1252 wrote to memory of 1068	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	31
PID 1252 wrote to memory of 1068	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	31
PID 1252 wrote to memory of 1068	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	31
PID 1252 wrote to memory of 2460	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	32
PID 1252 wrote to memory of 2460	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	32
PID 1252 wrote to memory of 2460	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	32
PID 1252 wrote to memory of 2460	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	32
PID 1252 wrote to memory of 2564	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	33
PID 1252 wrote to memory of 2564	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	33
PID 1252 wrote to memory of 2564	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	33
PID 1252 wrote to memory of 2564	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	33
PID 1100 wrote to memory of 2352	1100	cmd.exe	34
PID 1100 wrote to memory of 2352	1100	cmd.exe	34
PID 1100 wrote to memory of 2352	1100	cmd.exe	34
PID 2460 wrote to memory of 1900	2460	cmd.exe	35
PID 2460 wrote to memory of 1900	2460	cmd.exe	35
PID 2460 wrote to memory of 1900	2460	cmd.exe	35
PID 1724 wrote to memory of 2312	1724	cmd.exe	36
PID 1724 wrote to memory of 2312	1724	cmd.exe	36
PID 1724 wrote to memory of 2312	1724	cmd.exe	36
PID 1068 wrote to memory of 2292	1068	cmd.exe	37
PID 1068 wrote to memory of 2292	1068	cmd.exe	37
PID 1068 wrote to memory of 2292	1068	cmd.exe	37
PID 2564 wrote to memory of 2364	2564	cmd.exe	38
PID 2564 wrote to memory of 2364	2564	cmd.exe	38
PID 2564 wrote to memory of 2364	2564	cmd.exe	38
PID 1252 wrote to memory of 1296	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	45
PID 1252 wrote to memory of 1296	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	45
PID 1252 wrote to memory of 1296	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	45
PID 1252 wrote to memory of 1296	1252	05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe	45
PID 1296 wrote to memory of 224	1296	powershell.exe	46
PID 1296 wrote to memory of 224	1296	powershell.exe	46
PID 1296 wrote to memory of 224	1296	powershell.exe	46
PID 1296 wrote to memory of 3536	1296	powershell.exe	47
PID 1296 wrote to memory of 3536	1296	powershell.exe	47
PID 1296 wrote to memory of 3536	1296	powershell.exe	47

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\05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe
"C:\Users\Admin\AppData\Local\Temp\05a53b88ceab3708ce07d5c879978265a090975c5ff063b7bea3b045c99b134b.exe"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\system32\cmd.exe
  cmd /c wmic shadowcopy delete /nointeractive
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2312
- C:\Windows\system32\cmd.exe
  cmd /c vssadmin.exe Delete Shadows /All /Quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1100
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:2352
- C:\Windows\system32\cmd.exe
  cmd /c bcdedit /set {default} recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2292
- C:\Windows\system32\cmd.exe
  cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1900
- C:\Windows\system32\cmd.exe
  cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$a = [System.IO.File]::ReadAllText(\"F:\GET_YOUR_FILES_BACK.txt\");Add-Type -AssemblyName System.Drawing;$filename = \"$env:temp\$(Get-Random).png\";$bmp = new-object System.Drawing.Bitmap 1920,1080;$font = new-object System.Drawing.Font Consolas,10;$brushBg = [System.Drawing.Brushes]::Black;$brushFg = [System.Drawing.Brushes]::White;$format = [System.Drawing.StringFormat]::GenericDefault;$format.Alignment = [System.Drawing.StringAlignment]::Center;$format.LineAlignment = [System.Drawing.StringAlignment]::Center;$graphics = [System.Drawing.Graphics]::FromImage($bmp);$graphics.FillRectangle($brushBg,0,0,$bmp.Width,$bmp.Height);$graphics.DrawString($a,$font,$brushFg,[System.Drawing.RectangleF]::FromLTRB(0, 0, 1920, 1080),$format);$graphics.Dispose();$bmp.Save($filename);reg add \"HKEY_CURRENT_USER\Control Panel\Desktop\" /v Wallpaper /t REG_SZ /d $filename /f;Start-Sleep 1;rundll32.exe user32.dll, UpdatePerUserSystemParameters, 0, $false;"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" add "HKEY_CURRENT_USER\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\1172194971.png /f
    3⤵
    - Sets desktop wallpaper using registry
    PID:224
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" user32.dll UpdatePerUserSystemParameters 0 False
    3⤵
    PID:3536

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
3291f54f33ef903dc784d3a5a0662a39

SHA1
2713596bb41a53cbaf004493f870e8728790419b

SHA256
e7717c0d1ec1f106533f367496f548d6a9240f98e80808c545357237c1cbf1fa

SHA512
af89c0db49ab333764d112550e494216681e25537eaddf5e07176c1ab4d0f8f353597794167fa8410ee78df42e896ea1ee90514b064b59bc2e117a17c763353e

Download Submit
F:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
01188d22b1675e3437b1418e14f4ffab

SHA1
6e7127f3bbfce49485ed8f1acf8f697bcb952818

SHA256
e4b3ac00a0b2eb195b26abffbc4368077384e73393e51605edda17dae05ab7f2

SHA512
6903ae3247f32ad79c60a2062cd6a7bdbf5a7c9db1bdc43bdbef4da3396945014d30968ea4c8531a2d0c7b695f1ea36e2b8c51bb39cc6157c4096ac04a6e187d

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1252-6531-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-1-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-7498-0x0000000001D20000-0x0000000001D63000-memory.dmp

Filesize
268KB

Download
memory/1252-4-0x0000000001D20000-0x0000000001D63000-memory.dmp

Filesize
268KB

Download
memory/1252-7499-0x0000000000401000-0x000000000049D000-memory.dmp

Filesize
624KB

Download
memory/1252-8-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-9-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-7-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1252-10-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-2-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-3-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-7500-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-6583-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-0-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-5-0x0000000000401000-0x000000000049D000-memory.dmp

Filesize
624KB

Download
memory/1252-6-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-3396-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-8395-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-10182-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-14349-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-19542-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-23250-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-24483-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1252-24484-0x0000000001D20000-0x0000000001D63000-memory.dmp

Filesize
268KB

Download
memory/1252-24485-0x0000000000401000-0x000000000049D000-memory.dmp

Filesize
624KB

Download
memory/1296-24492-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download
memory/1296-24493-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/2364-604-0x0000000002490000-0x0000000002498000-memory.dmp

Filesize
32KB

Download
memory/2364-599-0x000000001B380000-0x000000001B662000-memory.dmp

Filesize
2.9MB

Download