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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
03/08/2024, 11:18
Static task
static1
Behavioral task
behavioral1
Sample
8e835926101e52fda6eb78bfd19de530N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8e835926101e52fda6eb78bfd19de530N.exe
Resource
win10v2004-20240802-en
General
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Target
8e835926101e52fda6eb78bfd19de530N.exe
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Size
277KB
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MD5
8e835926101e52fda6eb78bfd19de530
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SHA1
79f7dccd0988846548fd6117d1a5efa9a29a0a5a
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SHA256
039fc087b3471228b0be1f67091597e17f33e4cd04b0d2b4be5428657e314631
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SHA512
7d463ab209a3bf7915b72bedcf04e1c9fb4e6040f646abe5c32647a4d133593998590abe1f6f2cbe0d1049530a74b71ca0bcc4d82b431c3e804b117289a2cf7e
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SSDEEP
6144:pKc/IhkkuPEO9JgoJc7Heh9O1rYVBEbdIaCO1XbTEZFK5m:pKcMEPE4go/GJbdkO1LT9m
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\README.hta
Signatures
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Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request 3 IoCs
flow pid Process 1544 2260 mshta.exe 1546 2260 mshta.exe 1548 2260 mshta.exe -
Contacts a large (518) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Deletes itself 1 IoCs
pid Process 304 cmd.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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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp30D0.bmp" 8e835926101e52fda6eb78bfd19de530N.exe -
Drops file in Program Files directory 6 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\README.hta 8e835926101e52fda6eb78bfd19de530N.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BLANK.ONE 8e835926101e52fda6eb78bfd19de530N.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BUSINESS.ONE 8e835926101e52fda6eb78bfd19de530N.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\DESIGNER.ONE 8e835926101e52fda6eb78bfd19de530N.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\PLANNERS.ONE 8e835926101e52fda6eb78bfd19de530N.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\ACADEMIC.ONE 8e835926101e52fda6eb78bfd19de530N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8e835926101e52fda6eb78bfd19de530N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1856 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 1764 taskkill.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1856 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe 2860 8e835926101e52fda6eb78bfd19de530N.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2860 8e835926101e52fda6eb78bfd19de530N.exe Token: SeIncreaseQuotaPrivilege 2876 WMIC.exe Token: SeSecurityPrivilege 2876 WMIC.exe Token: SeTakeOwnershipPrivilege 2876 WMIC.exe Token: SeLoadDriverPrivilege 2876 WMIC.exe Token: SeSystemProfilePrivilege 2876 WMIC.exe Token: SeSystemtimePrivilege 2876 WMIC.exe Token: SeProfSingleProcessPrivilege 2876 WMIC.exe Token: SeIncBasePriorityPrivilege 2876 WMIC.exe Token: SeCreatePagefilePrivilege 2876 WMIC.exe Token: SeBackupPrivilege 2876 WMIC.exe Token: SeRestorePrivilege 2876 WMIC.exe Token: SeShutdownPrivilege 2876 WMIC.exe Token: SeDebugPrivilege 2876 WMIC.exe Token: SeSystemEnvironmentPrivilege 2876 WMIC.exe Token: SeRemoteShutdownPrivilege 2876 WMIC.exe Token: SeUndockPrivilege 2876 WMIC.exe Token: SeManageVolumePrivilege 2876 WMIC.exe Token: 33 2876 WMIC.exe Token: 34 2876 WMIC.exe Token: 35 2876 WMIC.exe Token: SeIncreaseQuotaPrivilege 2876 WMIC.exe Token: SeSecurityPrivilege 2876 WMIC.exe Token: SeTakeOwnershipPrivilege 2876 WMIC.exe Token: SeLoadDriverPrivilege 2876 WMIC.exe Token: SeSystemProfilePrivilege 2876 WMIC.exe Token: SeSystemtimePrivilege 2876 WMIC.exe Token: SeProfSingleProcessPrivilege 2876 WMIC.exe Token: SeIncBasePriorityPrivilege 2876 WMIC.exe Token: SeCreatePagefilePrivilege 2876 WMIC.exe Token: SeBackupPrivilege 2876 WMIC.exe Token: SeRestorePrivilege 2876 WMIC.exe Token: SeShutdownPrivilege 2876 WMIC.exe Token: SeDebugPrivilege 2876 WMIC.exe Token: SeSystemEnvironmentPrivilege 2876 WMIC.exe Token: SeRemoteShutdownPrivilege 2876 WMIC.exe Token: SeUndockPrivilege 2876 WMIC.exe Token: SeManageVolumePrivilege 2876 WMIC.exe Token: 33 2876 WMIC.exe Token: 34 2876 WMIC.exe Token: 35 2876 WMIC.exe Token: SeBackupPrivilege 1332 vssvc.exe Token: SeRestorePrivilege 1332 vssvc.exe Token: SeAuditPrivilege 1332 vssvc.exe Token: SeDebugPrivilege 1764 taskkill.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2260 mshta.exe 2260 mshta.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2860 8e835926101e52fda6eb78bfd19de530N.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2704 2860 8e835926101e52fda6eb78bfd19de530N.exe 30 PID 2860 wrote to memory of 2704 2860 8e835926101e52fda6eb78bfd19de530N.exe 30 PID 2860 wrote to memory of 2704 2860 8e835926101e52fda6eb78bfd19de530N.exe 30 PID 2860 wrote to memory of 2704 2860 8e835926101e52fda6eb78bfd19de530N.exe 30 PID 2704 wrote to memory of 2876 2704 cmd.exe 32 PID 2704 wrote to memory of 2876 2704 cmd.exe 32 PID 2704 wrote to memory of 2876 2704 cmd.exe 32 PID 2860 wrote to memory of 2260 2860 8e835926101e52fda6eb78bfd19de530N.exe 39 PID 2860 wrote to memory of 2260 2860 8e835926101e52fda6eb78bfd19de530N.exe 39 PID 2860 wrote to memory of 2260 2860 8e835926101e52fda6eb78bfd19de530N.exe 39 PID 2860 wrote to memory of 2260 2860 8e835926101e52fda6eb78bfd19de530N.exe 39 PID 2860 wrote to memory of 304 2860 8e835926101e52fda6eb78bfd19de530N.exe 40 PID 2860 wrote to memory of 304 2860 8e835926101e52fda6eb78bfd19de530N.exe 40 PID 2860 wrote to memory of 304 2860 8e835926101e52fda6eb78bfd19de530N.exe 40 PID 2860 wrote to memory of 304 2860 8e835926101e52fda6eb78bfd19de530N.exe 40 PID 304 wrote to memory of 1764 304 cmd.exe 42 PID 304 wrote to memory of 1764 304 cmd.exe 42 PID 304 wrote to memory of 1764 304 cmd.exe 42 PID 304 wrote to memory of 1856 304 cmd.exe 43 PID 304 wrote to memory of 1856 304 cmd.exe 43 PID 304 wrote to memory of 1856 304 cmd.exe 43 -
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\8e835926101e52fda6eb78bfd19de530N.exe"C:\Users\Admin\AppData\Local\Temp\8e835926101e52fda6eb78bfd19de530N.exe"1⤵
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\system32\wbem\WMIC.exeC:\Windows\system32\wbem\wmic.exe shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2876
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\README.hta"2⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2260
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:304 -
C:\Windows\system32\taskkill.exetaskkill /f /im "8e835926101e52fda6eb78bfd19de530N.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1764
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1856
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1332
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵
- System Location Discovery: System Language Discovery
PID:3004
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD527d84197212d488bcf734b2342220982
SHA1813589ef7058cbae54779bb94a7e30a5aa3fa1f2
SHA2564e12828bddfdabd8de7aabe81be6f9ffc87e1ebdf2c8c19a08bb7a407626bc36
SHA51214e617f9731fc4a8cfcc09bcd11a273f04d9d66816ae338bd86d03fba13e45fc6fe359703327fc52faf5b1c1e21808b2bf66b2389017d02fef88b1095bc21bcd