Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
14-10-2024 08:32
Behavioral task
behavioral1
Sample
2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe
Resource
win7-20241010-en
windows7-x64
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
23 signatures
150 seconds
General
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Target
2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe
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Size
26KB
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MD5
ee823ebee4208d6df2d5a7b2ed649fbd
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SHA1
5290996b13e019f190ffcdf7ecb81cd4adf10b51
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SHA256
6ac7524a67a5d7c592be2914fda31804a96c0966dcd53332a87a26018216e3b4
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SHA512
fc3a9d6b6515ecf83bd5b704c631750ce67e7c4b21ad5980c92975cf42cfd1a6728d532f091fc6abbf8368a29bc0abf7f3b37a6d932ba2550a44dd4dfe1b9617
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SSDEEP
384:XtWZPzzxAm1vOZhRaUqfWfa2DzdzCkg5lnOy5o91Q5O9Ni82vn:u7zxAm0hRaxh2Dkkoho9e5O9E82/
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/2032-1-0x0000000001310000-0x000000000131C000-memory.dmp family_chaos behavioral1/files/0x00080000000120fc-6.dat family_chaos behavioral1/memory/2584-8-0x0000000000D50000-0x0000000000D5C000-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 1484 bcdedit.exe 1504 bcdedit.exe -
pid Process 2784 wbadmin.exe -
Disables Task Manager via registry modification
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini telegram.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt telegram.exe -
Executes dropped EXE 1 IoCs
pid Process 2584 telegram.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\telegram.exe" telegram.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\BJINZE1S\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\QHWRVUKQ\desktop.ini telegram.exe File opened for modification C:\Users\Public\Desktop\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini telegram.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\Videos\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0CSVYEJU\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini telegram.exe File opened for modification C:\Users\Public\Videos\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8U3B82NZ\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Music\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini telegram.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini telegram.exe File opened for modification C:\Users\Public\Documents\desktop.ini telegram.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Documents\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Links\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\V50G20NG\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini telegram.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini telegram.exe File opened for modification C:\Users\Public\desktop.ini telegram.exe File opened for modification C:\Users\Public\Pictures\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini telegram.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini telegram.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini telegram.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini telegram.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini telegram.exe File opened for modification C:\Users\Public\Libraries\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\2Q9CV5JV\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NQYB9FVA\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini telegram.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini telegram.exe File opened for modification C:\Users\Public\Music\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini telegram.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini telegram.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2039016743-699959520-214465309-1000\desktop.ini telegram.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini telegram.exe File opened for modification C:\Users\Public\Downloads\desktop.ini telegram.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini telegram.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 2836 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1748 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2584 telegram.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 2584 telegram.exe 2584 telegram.exe 2584 telegram.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe Token: SeDebugPrivilege 2584 telegram.exe Token: SeBackupPrivilege 2688 vssvc.exe Token: SeRestorePrivilege 2688 vssvc.exe Token: SeAuditPrivilege 2688 vssvc.exe Token: SeIncreaseQuotaPrivilege 1700 WMIC.exe Token: SeSecurityPrivilege 1700 WMIC.exe Token: SeTakeOwnershipPrivilege 1700 WMIC.exe Token: SeLoadDriverPrivilege 1700 WMIC.exe Token: SeSystemProfilePrivilege 1700 WMIC.exe Token: SeSystemtimePrivilege 1700 WMIC.exe Token: SeProfSingleProcessPrivilege 1700 WMIC.exe Token: SeIncBasePriorityPrivilege 1700 WMIC.exe Token: SeCreatePagefilePrivilege 1700 WMIC.exe Token: SeBackupPrivilege 1700 WMIC.exe Token: SeRestorePrivilege 1700 WMIC.exe Token: SeShutdownPrivilege 1700 WMIC.exe Token: SeDebugPrivilege 1700 WMIC.exe Token: SeSystemEnvironmentPrivilege 1700 WMIC.exe Token: SeRemoteShutdownPrivilege 1700 WMIC.exe Token: SeUndockPrivilege 1700 WMIC.exe Token: SeManageVolumePrivilege 1700 WMIC.exe Token: 33 1700 WMIC.exe Token: 34 1700 WMIC.exe Token: 35 1700 WMIC.exe Token: SeIncreaseQuotaPrivilege 1700 WMIC.exe Token: SeSecurityPrivilege 1700 WMIC.exe Token: SeTakeOwnershipPrivilege 1700 WMIC.exe Token: SeLoadDriverPrivilege 1700 WMIC.exe Token: SeSystemProfilePrivilege 1700 WMIC.exe Token: SeSystemtimePrivilege 1700 WMIC.exe Token: SeProfSingleProcessPrivilege 1700 WMIC.exe Token: SeIncBasePriorityPrivilege 1700 WMIC.exe Token: SeCreatePagefilePrivilege 1700 WMIC.exe Token: SeBackupPrivilege 1700 WMIC.exe Token: SeRestorePrivilege 1700 WMIC.exe Token: SeShutdownPrivilege 1700 WMIC.exe Token: SeDebugPrivilege 1700 WMIC.exe Token: SeSystemEnvironmentPrivilege 1700 WMIC.exe Token: SeRemoteShutdownPrivilege 1700 WMIC.exe Token: SeUndockPrivilege 1700 WMIC.exe Token: SeManageVolumePrivilege 1700 WMIC.exe Token: 33 1700 WMIC.exe Token: 34 1700 WMIC.exe Token: 35 1700 WMIC.exe Token: SeBackupPrivilege 1256 wbengine.exe Token: SeRestorePrivilege 1256 wbengine.exe Token: SeSecurityPrivilege 1256 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2032 wrote to memory of 2584 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 30 PID 2032 wrote to memory of 2584 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 30 PID 2032 wrote to memory of 2584 2032 2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe 30 PID 2584 wrote to memory of 2932 2584 telegram.exe 32 PID 2584 wrote to memory of 2932 2584 telegram.exe 32 PID 2584 wrote to memory of 2932 2584 telegram.exe 32 PID 2932 wrote to memory of 2836 2932 cmd.exe 34 PID 2932 wrote to memory of 2836 2932 cmd.exe 34 PID 2932 wrote to memory of 2836 2932 cmd.exe 34 PID 2932 wrote to memory of 1700 2932 cmd.exe 37 PID 2932 wrote to memory of 1700 2932 cmd.exe 37 PID 2932 wrote to memory of 1700 2932 cmd.exe 37 PID 2584 wrote to memory of 1248 2584 telegram.exe 39 PID 2584 wrote to memory of 1248 2584 telegram.exe 39 PID 2584 wrote to memory of 1248 2584 telegram.exe 39 PID 1248 wrote to memory of 1484 1248 cmd.exe 41 PID 1248 wrote to memory of 1484 1248 cmd.exe 41 PID 1248 wrote to memory of 1484 1248 cmd.exe 41 PID 1248 wrote to memory of 1504 1248 cmd.exe 42 PID 1248 wrote to memory of 1504 1248 cmd.exe 42 PID 1248 wrote to memory of 1504 1248 cmd.exe 42 PID 2584 wrote to memory of 1380 2584 telegram.exe 43 PID 2584 wrote to memory of 1380 2584 telegram.exe 43 PID 2584 wrote to memory of 1380 2584 telegram.exe 43 PID 1380 wrote to memory of 2784 1380 cmd.exe 45 PID 1380 wrote to memory of 2784 1380 cmd.exe 45 PID 1380 wrote to memory of 2784 1380 cmd.exe 45 PID 2584 wrote to memory of 1748 2584 telegram.exe 50 PID 2584 wrote to memory of 1748 2584 telegram.exe 50 PID 2584 wrote to memory of 1748 2584 telegram.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\2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_ee823ebee4208d6df2d5a7b2ed649fbd_destroyer_wannacry.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Roaming\telegram.exe"C:\Users\Admin\AppData\Roaming\telegram.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2836
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1700
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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:1248 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:1484
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:1504
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2784
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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:1748
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2688
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1256
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2772
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:2568
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
99B
MD5a34e8b5fea52beb91dfc151fb35d4118
SHA1d83d2450fa25795e7dd9b4a74a94aa4f559d7ca8
SHA2563afcfc4894491b146cc04a21471937958945e7c8a8cc31621adc8607dec92e97
SHA5127e51e3b4d68a7851e30a02d06e8efcfca44612ea2d5e52efec29fe1474b681be5ea75b2aca9066aa0994e2b79064750f0cbf9a05d56387e3eeaab3cda75f9e05
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Filesize
26KB
MD5ee823ebee4208d6df2d5a7b2ed649fbd
SHA15290996b13e019f190ffcdf7ecb81cd4adf10b51
SHA2566ac7524a67a5d7c592be2914fda31804a96c0966dcd53332a87a26018216e3b4
SHA512fc3a9d6b6515ecf83bd5b704c631750ce67e7c4b21ad5980c92975cf42cfd1a6728d532f091fc6abbf8368a29bc0abf7f3b37a6d932ba2550a44dd4dfe1b9617
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0