Analysis
-
max time kernel
88s -
max time network
90s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
20-07-2024 07:50
Behavioral task
behavioral1
Sample
software.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
software.exe
Resource
win10v2004-20240709-en
General
-
Target
software.exe
-
Size
588KB
-
MD5
e7448d342d7e89f6fa442e0e1dc93c08
-
SHA1
4b42759041cb3a27318d063af1c9c1c8d35c6ef4
-
SHA256
897a5aba27fb713b468c4788ef1a3b8bb4d595afbeb94a3caf7ad6ee11a02361
-
SHA512
55750a59d25a1e127010fbd6fc05d0b9e5eafb331bf22f082a5d9f9dc0e601a792805de6b016344ac8763dfbad90f9ce87f205ef1df271a28cc015345d31f435
-
SSDEEP
6144:cr9iJVLaPXguyOiMV7BoV/q+qbJu2hTMKZwHNsp+l3QiiWKO+LL:haMOTV7BoVi+qbJueTRZn+l3QiOn
Malware Config
Signatures
-
Chaos
Ransomware family first seen in June 2021.
-
Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/memory/4980-0-0x0000000000070000-0x000000000010A000-memory.dmp family_chaos behavioral2/files/0x0009000000023407-6.dat family_chaos -
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4484 bcdedit.exe 4832 bcdedit.exe -
pid Process 2368 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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation software.exe Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 3 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 File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1668 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\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\Admin\AppData\Roaming\Microsoft\Windows\Recent\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\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\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\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\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\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\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\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\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\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\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\Administrative Tools\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\Accessibility\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-701583114-2636601053-947405450-1000\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\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe -
Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.dat svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.jtx svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.jfm svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.log svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSStmp.log svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSSres00001.jrs svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSSres00002.jrs svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.chk svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSTokenDB2.dat svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.chk svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\DataSharing\Storage\DSS.jcp svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\11ssrlkkn.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\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 2948 vssadmin.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000_Classes\Local Settings svchost.exe Key created \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000_Classes\Local Settings mspaint.exe -
Opens file in notepad (likely ransom note) 2 IoCs
pid Process 1068 NOTEPAD.EXE 4348 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1668 svchost.exe -
Suspicious behavior: EnumeratesProcesses 54 IoCs
pid Process 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 4980 software.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 1668 svchost.exe 2052 mspaint.exe 2052 mspaint.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 4980 software.exe Token: SeDebugPrivilege 1668 svchost.exe Token: SeBackupPrivilege 1232 vssvc.exe Token: SeRestorePrivilege 1232 vssvc.exe Token: SeAuditPrivilege 1232 vssvc.exe Token: SeIncreaseQuotaPrivilege 1140 WMIC.exe Token: SeSecurityPrivilege 1140 WMIC.exe Token: SeTakeOwnershipPrivilege 1140 WMIC.exe Token: SeLoadDriverPrivilege 1140 WMIC.exe Token: SeSystemProfilePrivilege 1140 WMIC.exe Token: SeSystemtimePrivilege 1140 WMIC.exe Token: SeProfSingleProcessPrivilege 1140 WMIC.exe Token: SeIncBasePriorityPrivilege 1140 WMIC.exe Token: SeCreatePagefilePrivilege 1140 WMIC.exe Token: SeBackupPrivilege 1140 WMIC.exe Token: SeRestorePrivilege 1140 WMIC.exe Token: SeShutdownPrivilege 1140 WMIC.exe Token: SeDebugPrivilege 1140 WMIC.exe Token: SeSystemEnvironmentPrivilege 1140 WMIC.exe Token: SeRemoteShutdownPrivilege 1140 WMIC.exe Token: SeUndockPrivilege 1140 WMIC.exe Token: SeManageVolumePrivilege 1140 WMIC.exe Token: 33 1140 WMIC.exe Token: 34 1140 WMIC.exe Token: 35 1140 WMIC.exe Token: 36 1140 WMIC.exe Token: SeIncreaseQuotaPrivilege 1140 WMIC.exe Token: SeSecurityPrivilege 1140 WMIC.exe Token: SeTakeOwnershipPrivilege 1140 WMIC.exe Token: SeLoadDriverPrivilege 1140 WMIC.exe Token: SeSystemProfilePrivilege 1140 WMIC.exe Token: SeSystemtimePrivilege 1140 WMIC.exe Token: SeProfSingleProcessPrivilege 1140 WMIC.exe Token: SeIncBasePriorityPrivilege 1140 WMIC.exe Token: SeCreatePagefilePrivilege 1140 WMIC.exe Token: SeBackupPrivilege 1140 WMIC.exe Token: SeRestorePrivilege 1140 WMIC.exe Token: SeShutdownPrivilege 1140 WMIC.exe Token: SeDebugPrivilege 1140 WMIC.exe Token: SeSystemEnvironmentPrivilege 1140 WMIC.exe Token: SeRemoteShutdownPrivilege 1140 WMIC.exe Token: SeUndockPrivilege 1140 WMIC.exe Token: SeManageVolumePrivilege 1140 WMIC.exe Token: 33 1140 WMIC.exe Token: 34 1140 WMIC.exe Token: 35 1140 WMIC.exe Token: 36 1140 WMIC.exe Token: SeBackupPrivilege 4000 wbengine.exe Token: SeRestorePrivilege 4000 wbengine.exe Token: SeSecurityPrivilege 4000 wbengine.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1068 NOTEPAD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2052 mspaint.exe 4748 OpenWith.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4980 wrote to memory of 1668 4980 software.exe 87 PID 4980 wrote to memory of 1668 4980 software.exe 87 PID 1668 wrote to memory of 964 1668 svchost.exe 90 PID 1668 wrote to memory of 964 1668 svchost.exe 90 PID 964 wrote to memory of 2948 964 cmd.exe 93 PID 964 wrote to memory of 2948 964 cmd.exe 93 PID 964 wrote to memory of 1140 964 cmd.exe 97 PID 964 wrote to memory of 1140 964 cmd.exe 97 PID 1668 wrote to memory of 3676 1668 svchost.exe 98 PID 1668 wrote to memory of 3676 1668 svchost.exe 98 PID 3676 wrote to memory of 4484 3676 cmd.exe 100 PID 3676 wrote to memory of 4484 3676 cmd.exe 100 PID 3676 wrote to memory of 4832 3676 cmd.exe 101 PID 3676 wrote to memory of 4832 3676 cmd.exe 101 PID 1668 wrote to memory of 2720 1668 svchost.exe 102 PID 1668 wrote to memory of 2720 1668 svchost.exe 102 PID 2720 wrote to memory of 2368 2720 cmd.exe 104 PID 2720 wrote to memory of 2368 2720 cmd.exe 104 PID 1668 wrote to memory of 1068 1668 svchost.exe 109 PID 1668 wrote to memory of 1068 1668 svchost.exe 109 -
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.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\software.exe"C:\Users\Admin\AppData\Local\Temp\software.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980 -
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
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:2948
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1140
-
-
-
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:3676 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:4484
-
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:4832
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:2368
-
-
-
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)
- Suspicious use of FindShellTrayWindow
PID:1068
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1232
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4000
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4592
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:2332
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\read_it.txt1⤵
- Opens file in notepad (likely ransom note)
PID:4348
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4300
-
C:\Windows\system32\mspaint.exe"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\InstallSet.jpeg" /ForceBootstrapPaint3D1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2052
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc1⤵
- Drops file in System32 directory
PID:2056
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
PID:4748
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
588KB
MD5e7448d342d7e89f6fa442e0e1dc93c08
SHA14b42759041cb3a27318d063af1c9c1c8d35c6ef4
SHA256897a5aba27fb713b468c4788ef1a3b8bb4d595afbeb94a3caf7ad6ee11a02361
SHA51255750a59d25a1e127010fbd6fc05d0b9e5eafb331bf22f082a5d9f9dc0e601a792805de6b016344ac8763dfbad90f9ce87f205ef1df271a28cc015345d31f435
-
Filesize
480B
MD557285d2fcf6f1a943a90b1abca3a5191
SHA11d7e84747a9b2763502787169907fc6bd6183047
SHA256163526ec93c5c74cfa37ad2be9396a53398ac129cf358fd0a487656810bd3f8e
SHA51298b2ab132c52136b6b6259f79ae3efc944a2b3e09619ea9a0daaffbed6dff8e7eade25ee876f0ea96aa1dd29cfe342c15eb4fafaecb85aea5c18cef5663d1632