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240319-zzr9tsgd4t 10Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-03-2024 00:07
Behavioral task
behavioral1
Sample
GH0ST.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
GH0ST.exe
Resource
win10v2004-20240226-en
General
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Target
GH0ST.exe
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Size
127KB
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MD5
90b828929de1319e5b9bf94f4ae990b3
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SHA1
8fc41267cfb9f057e78beca15b775d20fb01434b
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SHA256
14592b6ee58e6c1abe76e8148f087b1da84f54892b1cca31540dd728298bb185
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SHA512
57e50e8c3e424980bfb96d4d1862e998efd50e45df25478fc80537a67a27b8d7aa8cce00400e0126216395205946a38876a2ff494b74d86043c5e5779a4b5921
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SSDEEP
3072:oDk4Rq96liXWAPEV9Ue4znvqg2WVrxuF:h4Rq9UCW7WhZx
Malware Config
Extracted
C:\ProgramData\Adobe\Updater6\read_it.txt
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 4 IoCs
resource yara_rule behavioral1/memory/1244-0-0x0000000000C50000-0x0000000000C76000-memory.dmp family_chaos behavioral1/files/0x0010000000012248-7.dat family_chaos behavioral1/memory/2964-8-0x00000000003E0000-0x0000000000406000-memory.dmp family_chaos behavioral1/memory/2964-11-0x000000001B0B0000-0x000000001B130000-memory.dmp family_chaos -
Deletes shadow copies 2 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 2744 bcdedit.exe 2732 bcdedit.exe -
pid Process 2312 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 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 2964 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\6QIBR00Y\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\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\Local\Microsoft\Feeds Cache\HKGE1S7K\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CYXNIRQN\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\Music\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Default\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NQ9N4B3U\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\Admin\Favorites\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\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\Local\Microsoft\Feeds Cache\87XXOISN\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\JSZQNXMR\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\O29M4VT2\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\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\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\FXU0E4DR\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\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\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\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\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hcrzn80wj.jpg" 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 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2100 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1604 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1244 GH0ST.exe 2964 svchost.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1244 GH0ST.exe 1244 GH0ST.exe 2964 svchost.exe 2964 svchost.exe 2964 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 1244 GH0ST.exe Token: SeDebugPrivilege 2964 svchost.exe Token: SeBackupPrivilege 2632 vssvc.exe Token: SeRestorePrivilege 2632 vssvc.exe Token: SeAuditPrivilege 2632 vssvc.exe Token: SeIncreaseQuotaPrivilege 2136 WMIC.exe Token: SeSecurityPrivilege 2136 WMIC.exe Token: SeTakeOwnershipPrivilege 2136 WMIC.exe Token: SeLoadDriverPrivilege 2136 WMIC.exe Token: SeSystemProfilePrivilege 2136 WMIC.exe Token: SeSystemtimePrivilege 2136 WMIC.exe Token: SeProfSingleProcessPrivilege 2136 WMIC.exe Token: SeIncBasePriorityPrivilege 2136 WMIC.exe Token: SeCreatePagefilePrivilege 2136 WMIC.exe Token: SeBackupPrivilege 2136 WMIC.exe Token: SeRestorePrivilege 2136 WMIC.exe Token: SeShutdownPrivilege 2136 WMIC.exe Token: SeDebugPrivilege 2136 WMIC.exe Token: SeSystemEnvironmentPrivilege 2136 WMIC.exe Token: SeRemoteShutdownPrivilege 2136 WMIC.exe Token: SeUndockPrivilege 2136 WMIC.exe Token: SeManageVolumePrivilege 2136 WMIC.exe Token: 33 2136 WMIC.exe Token: 34 2136 WMIC.exe Token: 35 2136 WMIC.exe Token: SeIncreaseQuotaPrivilege 2136 WMIC.exe Token: SeSecurityPrivilege 2136 WMIC.exe Token: SeTakeOwnershipPrivilege 2136 WMIC.exe Token: SeLoadDriverPrivilege 2136 WMIC.exe Token: SeSystemProfilePrivilege 2136 WMIC.exe Token: SeSystemtimePrivilege 2136 WMIC.exe Token: SeProfSingleProcessPrivilege 2136 WMIC.exe Token: SeIncBasePriorityPrivilege 2136 WMIC.exe Token: SeCreatePagefilePrivilege 2136 WMIC.exe Token: SeBackupPrivilege 2136 WMIC.exe Token: SeRestorePrivilege 2136 WMIC.exe Token: SeShutdownPrivilege 2136 WMIC.exe Token: SeDebugPrivilege 2136 WMIC.exe Token: SeSystemEnvironmentPrivilege 2136 WMIC.exe Token: SeRemoteShutdownPrivilege 2136 WMIC.exe Token: SeUndockPrivilege 2136 WMIC.exe Token: SeManageVolumePrivilege 2136 WMIC.exe Token: 33 2136 WMIC.exe Token: 34 2136 WMIC.exe Token: 35 2136 WMIC.exe Token: SeBackupPrivilege 2212 wbengine.exe Token: SeRestorePrivilege 2212 wbengine.exe Token: SeSecurityPrivilege 2212 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1244 wrote to memory of 2964 1244 GH0ST.exe 28 PID 1244 wrote to memory of 2964 1244 GH0ST.exe 28 PID 1244 wrote to memory of 2964 1244 GH0ST.exe 28 PID 2964 wrote to memory of 2612 2964 svchost.exe 29 PID 2964 wrote to memory of 2612 2964 svchost.exe 29 PID 2964 wrote to memory of 2612 2964 svchost.exe 29 PID 2612 wrote to memory of 2100 2612 cmd.exe 31 PID 2612 wrote to memory of 2100 2612 cmd.exe 31 PID 2612 wrote to memory of 2100 2612 cmd.exe 31 PID 2612 wrote to memory of 2136 2612 cmd.exe 34 PID 2612 wrote to memory of 2136 2612 cmd.exe 34 PID 2612 wrote to memory of 2136 2612 cmd.exe 34 PID 2964 wrote to memory of 2600 2964 svchost.exe 36 PID 2964 wrote to memory of 2600 2964 svchost.exe 36 PID 2964 wrote to memory of 2600 2964 svchost.exe 36 PID 2600 wrote to memory of 2732 2600 cmd.exe 38 PID 2600 wrote to memory of 2732 2600 cmd.exe 38 PID 2600 wrote to memory of 2732 2600 cmd.exe 38 PID 2600 wrote to memory of 2744 2600 cmd.exe 39 PID 2600 wrote to memory of 2744 2600 cmd.exe 39 PID 2600 wrote to memory of 2744 2600 cmd.exe 39 PID 2964 wrote to memory of 2760 2964 svchost.exe 40 PID 2964 wrote to memory of 2760 2964 svchost.exe 40 PID 2964 wrote to memory of 2760 2964 svchost.exe 40 PID 2760 wrote to memory of 2312 2760 cmd.exe 42 PID 2760 wrote to memory of 2312 2760 cmd.exe 42 PID 2760 wrote to memory of 2312 2760 cmd.exe 42 PID 2964 wrote to memory of 1604 2964 svchost.exe 47 PID 2964 wrote to memory of 1604 2964 svchost.exe 47 PID 2964 wrote to memory of 1604 2964 svchost.exe 47 -
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\GH0ST.exe"C:\Users\Admin\AppData\Local\Temp\GH0ST.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2100
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2136
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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:2600 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2732
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:2744
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2312
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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:1604
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2632
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2212
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2160
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:1852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
582B
MD5ed5cc52876db869de48a4783069c2a5e
SHA1a9d51ceaeff715ace430f9462ab2ee4e7f33e70e
SHA25645726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36
SHA5121745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5
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Filesize
127KB
MD590b828929de1319e5b9bf94f4ae990b3
SHA18fc41267cfb9f057e78beca15b775d20fb01434b
SHA25614592b6ee58e6c1abe76e8148f087b1da84f54892b1cca31540dd728298bb185
SHA51257e50e8c3e424980bfb96d4d1862e998efd50e45df25478fc80537a67a27b8d7aa8cce00400e0126216395205946a38876a2ff494b74d86043c5e5779a4b5921
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Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0