Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
28-07-2024 20:22
Behavioral task
behavioral1
Sample
2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe
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Size
24KB
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MD5
0bc7112ee4755de56b7fb22758e47182
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SHA1
bb2d11065ada048f80786deb072fbdbc265415a0
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SHA256
95eaf7092864e622c9bca0a5a3339480d03adaf19f069f5419de52c8f7f75a69
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SHA512
846a28920edae418648c09e24680d459b74f9a2a7ca02ddf06ee51bd6a7c34afb86b02b7aff615fda749acbdce0f4388801e4e25360737cad6bd05d320a9fed9
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SSDEEP
384:9YenjLLAvOGnLR1TYZdiI8YSxswOVp91kodUxDGg:MmGLHTYZ36c9zmxDb
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
resource yara_rule behavioral1/memory/2120-1-0x00000000011E0000-0x00000000011EC000-memory.dmp family_chaos behavioral1/files/0x000d000000012731-5.dat family_chaos behavioral1/memory/2796-7-0x0000000000DB0000-0x0000000000DBC000-memory.dmp 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 1972 bcdedit.exe 2056 bcdedit.exe -
pid Process 1924 wbadmin.exe -
Disables Task Manager via registry modification
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Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt svc.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svc.url svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svc.exe -
Executes dropped EXE 1 IoCs
pid Process 2796 svc.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) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svc.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svc.exe File opened for modification C:\Users\Public\Music\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\FH198YO1\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svc.exe File opened for modification C:\Users\Public\Videos\desktop.ini svc.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svc.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svc.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svc.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\XLI5Q0EH\desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svc.exe File opened for modification C:\Users\Public\Documents\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini svc.exe File opened for modification C:\Users\Public\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\AJW4QSK9\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JVMDVGRW\desktop.ini svc.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini svc.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini svc.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svc.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svc.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svc.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\E9P9LRO9\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OJBRRE9R\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svc.exe File opened for modification C:\Users\Admin\Music\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svc.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini svc.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svc.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svc.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svc.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svc.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svc.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svc.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svc.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svc.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3450744190-3404161390-554719085-1000\desktop.ini svc.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\G4UA8T7D\desktop.ini svc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2548 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2424 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2796 svc.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 2796 svc.exe 2796 svc.exe 2796 svc.exe 2796 svc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe Token: SeDebugPrivilege 2796 svc.exe Token: SeBackupPrivilege 2828 vssvc.exe Token: SeRestorePrivilege 2828 vssvc.exe Token: SeAuditPrivilege 2828 vssvc.exe Token: SeIncreaseQuotaPrivilege 1124 WMIC.exe Token: SeSecurityPrivilege 1124 WMIC.exe Token: SeTakeOwnershipPrivilege 1124 WMIC.exe Token: SeLoadDriverPrivilege 1124 WMIC.exe Token: SeSystemProfilePrivilege 1124 WMIC.exe Token: SeSystemtimePrivilege 1124 WMIC.exe Token: SeProfSingleProcessPrivilege 1124 WMIC.exe Token: SeIncBasePriorityPrivilege 1124 WMIC.exe Token: SeCreatePagefilePrivilege 1124 WMIC.exe Token: SeBackupPrivilege 1124 WMIC.exe Token: SeRestorePrivilege 1124 WMIC.exe Token: SeShutdownPrivilege 1124 WMIC.exe Token: SeDebugPrivilege 1124 WMIC.exe Token: SeSystemEnvironmentPrivilege 1124 WMIC.exe Token: SeRemoteShutdownPrivilege 1124 WMIC.exe Token: SeUndockPrivilege 1124 WMIC.exe Token: SeManageVolumePrivilege 1124 WMIC.exe Token: 33 1124 WMIC.exe Token: 34 1124 WMIC.exe Token: 35 1124 WMIC.exe Token: SeIncreaseQuotaPrivilege 1124 WMIC.exe Token: SeSecurityPrivilege 1124 WMIC.exe Token: SeTakeOwnershipPrivilege 1124 WMIC.exe Token: SeLoadDriverPrivilege 1124 WMIC.exe Token: SeSystemProfilePrivilege 1124 WMIC.exe Token: SeSystemtimePrivilege 1124 WMIC.exe Token: SeProfSingleProcessPrivilege 1124 WMIC.exe Token: SeIncBasePriorityPrivilege 1124 WMIC.exe Token: SeCreatePagefilePrivilege 1124 WMIC.exe Token: SeBackupPrivilege 1124 WMIC.exe Token: SeRestorePrivilege 1124 WMIC.exe Token: SeShutdownPrivilege 1124 WMIC.exe Token: SeDebugPrivilege 1124 WMIC.exe Token: SeSystemEnvironmentPrivilege 1124 WMIC.exe Token: SeRemoteShutdownPrivilege 1124 WMIC.exe Token: SeUndockPrivilege 1124 WMIC.exe Token: SeManageVolumePrivilege 1124 WMIC.exe Token: 33 1124 WMIC.exe Token: 34 1124 WMIC.exe Token: 35 1124 WMIC.exe Token: SeBackupPrivilege 660 wbengine.exe Token: SeRestorePrivilege 660 wbengine.exe Token: SeSecurityPrivilege 660 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2796 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 31 PID 2120 wrote to memory of 2796 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 31 PID 2120 wrote to memory of 2796 2120 2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe 31 PID 2796 wrote to memory of 2900 2796 svc.exe 32 PID 2796 wrote to memory of 2900 2796 svc.exe 32 PID 2796 wrote to memory of 2900 2796 svc.exe 32 PID 2900 wrote to memory of 2548 2900 cmd.exe 34 PID 2900 wrote to memory of 2548 2900 cmd.exe 34 PID 2900 wrote to memory of 2548 2900 cmd.exe 34 PID 2900 wrote to memory of 1124 2900 cmd.exe 37 PID 2900 wrote to memory of 1124 2900 cmd.exe 37 PID 2900 wrote to memory of 1124 2900 cmd.exe 37 PID 2796 wrote to memory of 2964 2796 svc.exe 39 PID 2796 wrote to memory of 2964 2796 svc.exe 39 PID 2796 wrote to memory of 2964 2796 svc.exe 39 PID 2964 wrote to memory of 1972 2964 cmd.exe 41 PID 2964 wrote to memory of 1972 2964 cmd.exe 41 PID 2964 wrote to memory of 1972 2964 cmd.exe 41 PID 2964 wrote to memory of 2056 2964 cmd.exe 42 PID 2964 wrote to memory of 2056 2964 cmd.exe 42 PID 2964 wrote to memory of 2056 2964 cmd.exe 42 PID 2796 wrote to memory of 2176 2796 svc.exe 43 PID 2796 wrote to memory of 2176 2796 svc.exe 43 PID 2796 wrote to memory of 2176 2796 svc.exe 43 PID 2176 wrote to memory of 1924 2176 cmd.exe 45 PID 2176 wrote to memory of 1924 2176 cmd.exe 45 PID 2176 wrote to memory of 1924 2176 cmd.exe 45 PID 2796 wrote to memory of 2424 2796 svc.exe 50 PID 2796 wrote to memory of 2424 2796 svc.exe 50 PID 2796 wrote to memory of 2424 2796 svc.exe 50 -
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\2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-28_0bc7112ee4755de56b7fb22758e47182_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Roaming\svc.exe"C:\Users\Admin\AppData\Roaming\svc.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2548
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1124
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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:2964 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1972
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2056
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:1924
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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:2424
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2828
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:660
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2600
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1788
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39B
MD53b3e0dd3e4aacca142ceafe85ca241c4
SHA1a1d3d848af04f434ea3e22b3d4162d2c123c66ff
SHA2565974342e3165d7b59d045e226c7081d89f6695ec145b037172e6e562229079a3
SHA512139c99ec632c9799355cf5972520a7a926b6349c6740a00c9a71b74da8659eaacc4bac6264c1bb3187a86893b97ae8a0e5d75522f2ad19e5108d6d69f10465e4
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0
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Filesize
24KB
MD50bc7112ee4755de56b7fb22758e47182
SHA1bb2d11065ada048f80786deb072fbdbc265415a0
SHA25695eaf7092864e622c9bca0a5a3339480d03adaf19f069f5419de52c8f7f75a69
SHA512846a28920edae418648c09e24680d459b74f9a2a7ca02ddf06ee51bd6a7c34afb86b02b7aff615fda749acbdce0f4388801e4e25360737cad6bd05d320a9fed9