Analysis
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max time kernel
130s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 11:42
Behavioral task
behavioral1
Sample
2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe
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Size
97KB
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MD5
e6a7219ab68c2f6796911315ae386ab5
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SHA1
4a0dc1b3d2216ad157f437195d5424e633181130
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SHA256
1b4f33ff0e4a09ee9ca4e008ca2f0d396c667ff04c1c181377e908df5131e5b0
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SHA512
771b3f617f58946c7117c5e63651f8109336e0851b8d0d354a6a4a5395b48abcfc90579afd69fc44403cd5c80e4d936459f3e74c57ddc875523e0de0a3936968
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SSDEEP
1536:FMwpgzZ8+1oqDAYkjeNY+RchBuwl/lrY0/x4GWB+Zi++VI11Y4qmFr9HIR8B:WwpgZFbJchBuihsZVE1Y4qmFr9HIR8B
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/3448-1-0x0000000000D10000-0x0000000000D2E000-memory.dmp family_chaos behavioral2/files/0x0008000000016939-11.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 3448 bcdedit.exe 3284 bcdedit.exe -
pid Process 3764 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 5100 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1776 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4964 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5100 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe 5100 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe Token: SeDebugPrivilege 5100 svchost.exe Token: SeBackupPrivilege 3412 vssvc.exe Token: SeRestorePrivilege 3412 vssvc.exe Token: SeAuditPrivilege 3412 vssvc.exe Token: SeIncreaseQuotaPrivilege 1772 WMIC.exe Token: SeSecurityPrivilege 1772 WMIC.exe Token: SeTakeOwnershipPrivilege 1772 WMIC.exe Token: SeLoadDriverPrivilege 1772 WMIC.exe Token: SeSystemProfilePrivilege 1772 WMIC.exe Token: SeSystemtimePrivilege 1772 WMIC.exe Token: SeProfSingleProcessPrivilege 1772 WMIC.exe Token: SeIncBasePriorityPrivilege 1772 WMIC.exe Token: SeCreatePagefilePrivilege 1772 WMIC.exe Token: SeBackupPrivilege 1772 WMIC.exe Token: SeRestorePrivilege 1772 WMIC.exe Token: SeShutdownPrivilege 1772 WMIC.exe Token: SeDebugPrivilege 1772 WMIC.exe Token: SeSystemEnvironmentPrivilege 1772 WMIC.exe Token: SeRemoteShutdownPrivilege 1772 WMIC.exe Token: SeUndockPrivilege 1772 WMIC.exe Token: SeManageVolumePrivilege 1772 WMIC.exe Token: 33 1772 WMIC.exe Token: 34 1772 WMIC.exe Token: 35 1772 WMIC.exe Token: 36 1772 WMIC.exe Token: SeIncreaseQuotaPrivilege 1772 WMIC.exe Token: SeSecurityPrivilege 1772 WMIC.exe Token: SeTakeOwnershipPrivilege 1772 WMIC.exe Token: SeLoadDriverPrivilege 1772 WMIC.exe Token: SeSystemProfilePrivilege 1772 WMIC.exe Token: SeSystemtimePrivilege 1772 WMIC.exe Token: SeProfSingleProcessPrivilege 1772 WMIC.exe Token: SeIncBasePriorityPrivilege 1772 WMIC.exe Token: SeCreatePagefilePrivilege 1772 WMIC.exe Token: SeBackupPrivilege 1772 WMIC.exe Token: SeRestorePrivilege 1772 WMIC.exe Token: SeShutdownPrivilege 1772 WMIC.exe Token: SeDebugPrivilege 1772 WMIC.exe Token: SeSystemEnvironmentPrivilege 1772 WMIC.exe Token: SeRemoteShutdownPrivilege 1772 WMIC.exe Token: SeUndockPrivilege 1772 WMIC.exe Token: SeManageVolumePrivilege 1772 WMIC.exe Token: 33 1772 WMIC.exe Token: 34 1772 WMIC.exe Token: 35 1772 WMIC.exe Token: 36 1772 WMIC.exe Token: SeBackupPrivilege 4808 wbengine.exe Token: SeRestorePrivilege 4808 wbengine.exe Token: SeSecurityPrivilege 4808 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3448 wrote to memory of 5100 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 87 PID 3448 wrote to memory of 5100 3448 2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe 87 PID 5100 wrote to memory of 672 5100 svchost.exe 94 PID 5100 wrote to memory of 672 5100 svchost.exe 94 PID 672 wrote to memory of 1776 672 cmd.exe 96 PID 672 wrote to memory of 1776 672 cmd.exe 96 PID 672 wrote to memory of 1772 672 cmd.exe 99 PID 672 wrote to memory of 1772 672 cmd.exe 99 PID 5100 wrote to memory of 1216 5100 svchost.exe 100 PID 5100 wrote to memory of 1216 5100 svchost.exe 100 PID 1216 wrote to memory of 3448 1216 cmd.exe 102 PID 1216 wrote to memory of 3448 1216 cmd.exe 102 PID 1216 wrote to memory of 3284 1216 cmd.exe 103 PID 1216 wrote to memory of 3284 1216 cmd.exe 103 PID 5100 wrote to memory of 4212 5100 svchost.exe 104 PID 5100 wrote to memory of 4212 5100 svchost.exe 104 PID 4212 wrote to memory of 3764 4212 cmd.exe 106 PID 4212 wrote to memory of 3764 4212 cmd.exe 106 PID 5100 wrote to memory of 4964 5100 svchost.exe 111 PID 5100 wrote to memory of 4964 5100 svchost.exe 111 -
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.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-22_e6a7219ab68c2f6796911315ae386ab5_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1776
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1772
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:3448
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3284
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:3764
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
PID:4964
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4808
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3700
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1332
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
39KB
MD5d80d1b6d9a6d5986fa47f6f8487030e1
SHA18f5773bf9eca43b079c1766b2e9f44cc90bd9215
SHA256446128f1712da8064d0197376184315cb529ed26ed9122f7b171bb208e22c0c3
SHA5129fcf0105c2c9ee81c526d41633d93579bb8e2837989d77fb4a6523440415ec2d7fa46ac9ae4e55ecebd99126837817ac308cc079475de02667b21727a43d74cc
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Filesize
97KB
MD5e6a7219ab68c2f6796911315ae386ab5
SHA14a0dc1b3d2216ad157f437195d5424e633181130
SHA2561b4f33ff0e4a09ee9ca4e008ca2f0d396c667ff04c1c181377e908df5131e5b0
SHA512771b3f617f58946c7117c5e63651f8109336e0851b8d0d354a6a4a5395b48abcfc90579afd69fc44403cd5c80e4d936459f3e74c57ddc875523e0de0a3936968
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740