Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-09-2024 21:02
Behavioral task
behavioral1
Sample
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
Resource
win10v2004-20240802-en
General
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Target
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe
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Size
21KB
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MD5
7f8f14557e21273304a2597621dd1fbc
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SHA1
858d52d1b0e3193cf9613f027e4b6a96074623c8
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SHA256
c4bc2a209dfaaa141cf05eb00674366249d33b61a23c06091a3647515f903791
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SHA512
0f9889e3116c1628cfff7799e7f74ad7b416d87f2e835e456ff88f1905159739062a19340d4d5b7b02dbae5de2f413e1de9ee5049366f4a5ab6b897c18141d12
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SSDEEP
384:q3MLWHn3kIkfdw6mpoXsQuvdtKXRUJxr91CzAE7eS:un3kIampoNyfKXR8xr9iZeS
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2484-1-0x0000000001170000-0x000000000117C000-memory.dmp family_chaos C:\Users\Admin\AppData\Roaming\svchost.exe family_chaos behavioral1/memory/2820-7-0x0000000000980000-0x000000000098C000-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
Processes:
bcdedit.exebcdedit.exepid process 1624 bcdedit.exe 1008 bcdedit.exe -
Processes:
wbadmin.exepid process 2444 wbadmin.exe -
Drops startup file 3 IoCs
Processes:
svchost.exedescription 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
Processes:
svchost.exepid process 2820 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
Processes:
svchost.exedescription ioc process File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\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\AppData\Roaming\Microsoft\Windows\SendTo\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\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\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\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\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\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\Windows\Recent\desktop.ini svchost.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.
Processes:
vssadmin.exepid process 2012 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 1736 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
svchost.exepid process 2820 svchost.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exesvchost.exepid process 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe 2820 svchost.exe 2820 svchost.exe 2820 svchost.exe 2820 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exesvchost.exevssvc.exeWMIC.exewbengine.exedescription pid process Token: SeDebugPrivilege 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe Token: SeDebugPrivilege 2820 svchost.exe Token: SeBackupPrivilege 2404 vssvc.exe Token: SeRestorePrivilege 2404 vssvc.exe Token: SeAuditPrivilege 2404 vssvc.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe Token: SeSecurityPrivilege 2928 WMIC.exe Token: SeTakeOwnershipPrivilege 2928 WMIC.exe Token: SeLoadDriverPrivilege 2928 WMIC.exe Token: SeSystemProfilePrivilege 2928 WMIC.exe Token: SeSystemtimePrivilege 2928 WMIC.exe Token: SeProfSingleProcessPrivilege 2928 WMIC.exe Token: SeIncBasePriorityPrivilege 2928 WMIC.exe Token: SeCreatePagefilePrivilege 2928 WMIC.exe Token: SeBackupPrivilege 2928 WMIC.exe Token: SeRestorePrivilege 2928 WMIC.exe Token: SeShutdownPrivilege 2928 WMIC.exe Token: SeDebugPrivilege 2928 WMIC.exe Token: SeSystemEnvironmentPrivilege 2928 WMIC.exe Token: SeRemoteShutdownPrivilege 2928 WMIC.exe Token: SeUndockPrivilege 2928 WMIC.exe Token: SeManageVolumePrivilege 2928 WMIC.exe Token: 33 2928 WMIC.exe Token: 34 2928 WMIC.exe Token: 35 2928 WMIC.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe Token: SeSecurityPrivilege 2928 WMIC.exe Token: SeTakeOwnershipPrivilege 2928 WMIC.exe Token: SeLoadDriverPrivilege 2928 WMIC.exe Token: SeSystemProfilePrivilege 2928 WMIC.exe Token: SeSystemtimePrivilege 2928 WMIC.exe Token: SeProfSingleProcessPrivilege 2928 WMIC.exe Token: SeIncBasePriorityPrivilege 2928 WMIC.exe Token: SeCreatePagefilePrivilege 2928 WMIC.exe Token: SeBackupPrivilege 2928 WMIC.exe Token: SeRestorePrivilege 2928 WMIC.exe Token: SeShutdownPrivilege 2928 WMIC.exe Token: SeDebugPrivilege 2928 WMIC.exe Token: SeSystemEnvironmentPrivilege 2928 WMIC.exe Token: SeRemoteShutdownPrivilege 2928 WMIC.exe Token: SeUndockPrivilege 2928 WMIC.exe Token: SeManageVolumePrivilege 2928 WMIC.exe Token: 33 2928 WMIC.exe Token: 34 2928 WMIC.exe Token: 35 2928 WMIC.exe Token: SeBackupPrivilege 2176 wbengine.exe Token: SeRestorePrivilege 2176 wbengine.exe Token: SeSecurityPrivilege 2176 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exesvchost.execmd.execmd.execmd.exedescription pid process target process PID 2484 wrote to memory of 2820 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe svchost.exe PID 2484 wrote to memory of 2820 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe svchost.exe PID 2484 wrote to memory of 2820 2484 202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe svchost.exe PID 2820 wrote to memory of 2840 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 2840 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 2840 2820 svchost.exe cmd.exe PID 2840 wrote to memory of 2012 2840 cmd.exe vssadmin.exe PID 2840 wrote to memory of 2012 2840 cmd.exe vssadmin.exe PID 2840 wrote to memory of 2012 2840 cmd.exe vssadmin.exe PID 2840 wrote to memory of 2928 2840 cmd.exe WMIC.exe PID 2840 wrote to memory of 2928 2840 cmd.exe WMIC.exe PID 2840 wrote to memory of 2928 2840 cmd.exe WMIC.exe PID 2820 wrote to memory of 804 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 804 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 804 2820 svchost.exe cmd.exe PID 804 wrote to memory of 1624 804 cmd.exe bcdedit.exe PID 804 wrote to memory of 1624 804 cmd.exe bcdedit.exe PID 804 wrote to memory of 1624 804 cmd.exe bcdedit.exe PID 804 wrote to memory of 1008 804 cmd.exe bcdedit.exe PID 804 wrote to memory of 1008 804 cmd.exe bcdedit.exe PID 804 wrote to memory of 1008 804 cmd.exe bcdedit.exe PID 2820 wrote to memory of 608 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 608 2820 svchost.exe cmd.exe PID 2820 wrote to memory of 608 2820 svchost.exe cmd.exe PID 608 wrote to memory of 2444 608 cmd.exe wbadmin.exe PID 608 wrote to memory of 2444 608 cmd.exe wbadmin.exe PID 608 wrote to memory of 2444 608 cmd.exe wbadmin.exe PID 2820 wrote to memory of 1736 2820 svchost.exe NOTEPAD.EXE PID 2820 wrote to memory of 1736 2820 svchost.exe NOTEPAD.EXE PID 2820 wrote to memory of 1736 2820 svchost.exe NOTEPAD.EXE -
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\202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe"C:\Users\Admin\AppData\Local\Temp\202409067f8f14557e21273304a2597621dd1fbcdestroyerwannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.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:2820 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2012 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2928 -
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:804 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1624 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1008 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2444 -
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:1736
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2404
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2176
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1472
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD57f8f14557e21273304a2597621dd1fbc
SHA1858d52d1b0e3193cf9613f027e4b6a96074623c8
SHA256c4bc2a209dfaaa141cf05eb00674366249d33b61a23c06091a3647515f903791
SHA5120f9889e3116c1628cfff7799e7f74ad7b416d87f2e835e456ff88f1905159739062a19340d4d5b7b02dbae5de2f413e1de9ee5049366f4a5ab6b897c18141d12
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Filesize
8B
MD53b9cbc5c056777ac92d6a477c351270b
SHA15bea4efa5057d52a8444918f4d83df54ff07b9a6
SHA2567f003fb767f2dbd78ef37c0437d771631a7ebdb59ec230fd3040be007f22261e
SHA512ee640e148152441897b188657adc5e176042d4965e5fe9997d50c1ec83b80c0dd54e67f052973cbc4a4cc0e5cbe2a24ed38538f2c2f10f04a043f853cc12aecb