Analysis
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max time kernel
117s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-11-2024 02:12
Static task
static1
Behavioral task
behavioral1
Sample
33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe
Resource
win10v2004-20241007-en
General
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Target
33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe
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Size
311KB
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MD5
a299bb3e2e868a3862c5352542979240
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SHA1
3ceb105b75611610f6cf1eefe3b918420353f065
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SHA256
33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aa
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SHA512
2a5e5f725d286b726409a7270e2ade74c26c27464dd2aad16aab234e030f7b9c077c1a3c94ff1f45a5e196aacd2dee8ce6ad3c5ef0abece6b2d2f3c2ca2ebec3
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SSDEEP
6144:Tf1g8dVoLtpzFMO0XGuaBxfwLUncgESZemE2:TfG8dVgtpRfN4ocwv9
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\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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Cerber family
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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 4 IoCs
flow pid Process 3269 2352 mshta.exe 3272 2352 mshta.exe 3274 2352 mshta.exe 3276 2352 mshta.exe -
Contacts a large (1095) 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 2348 cmd.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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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp7E.bmp" 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe -
Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\ACADEMIC.ONE 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\README.hta 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BLANK.ONE 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\BUSINESS.ONE 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\DESIGNER.ONE 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ONENOTE\14\Stationery\PLANNERS.ONE 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.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 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.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 1608 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 2344 taskkill.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1608 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe Token: SeIncreaseQuotaPrivilege 2680 WMIC.exe Token: SeSecurityPrivilege 2680 WMIC.exe Token: SeTakeOwnershipPrivilege 2680 WMIC.exe Token: SeLoadDriverPrivilege 2680 WMIC.exe Token: SeSystemProfilePrivilege 2680 WMIC.exe Token: SeSystemtimePrivilege 2680 WMIC.exe Token: SeProfSingleProcessPrivilege 2680 WMIC.exe Token: SeIncBasePriorityPrivilege 2680 WMIC.exe Token: SeCreatePagefilePrivilege 2680 WMIC.exe Token: SeBackupPrivilege 2680 WMIC.exe Token: SeRestorePrivilege 2680 WMIC.exe Token: SeShutdownPrivilege 2680 WMIC.exe Token: SeDebugPrivilege 2680 WMIC.exe Token: SeSystemEnvironmentPrivilege 2680 WMIC.exe Token: SeRemoteShutdownPrivilege 2680 WMIC.exe Token: SeUndockPrivilege 2680 WMIC.exe Token: SeManageVolumePrivilege 2680 WMIC.exe Token: 33 2680 WMIC.exe Token: 34 2680 WMIC.exe Token: 35 2680 WMIC.exe Token: SeIncreaseQuotaPrivilege 2680 WMIC.exe Token: SeSecurityPrivilege 2680 WMIC.exe Token: SeTakeOwnershipPrivilege 2680 WMIC.exe Token: SeLoadDriverPrivilege 2680 WMIC.exe Token: SeSystemProfilePrivilege 2680 WMIC.exe Token: SeSystemtimePrivilege 2680 WMIC.exe Token: SeProfSingleProcessPrivilege 2680 WMIC.exe Token: SeIncBasePriorityPrivilege 2680 WMIC.exe Token: SeCreatePagefilePrivilege 2680 WMIC.exe Token: SeBackupPrivilege 2680 WMIC.exe Token: SeRestorePrivilege 2680 WMIC.exe Token: SeShutdownPrivilege 2680 WMIC.exe Token: SeDebugPrivilege 2680 WMIC.exe Token: SeSystemEnvironmentPrivilege 2680 WMIC.exe Token: SeRemoteShutdownPrivilege 2680 WMIC.exe Token: SeUndockPrivilege 2680 WMIC.exe Token: SeManageVolumePrivilege 2680 WMIC.exe Token: 33 2680 WMIC.exe Token: 34 2680 WMIC.exe Token: 35 2680 WMIC.exe Token: SeBackupPrivilege 2668 vssvc.exe Token: SeRestorePrivilege 2668 vssvc.exe Token: SeAuditPrivilege 2668 vssvc.exe Token: SeDebugPrivilege 2344 taskkill.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2080 wrote to memory of 1452 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 28 PID 2080 wrote to memory of 1452 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 28 PID 2080 wrote to memory of 1452 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 28 PID 2080 wrote to memory of 1452 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 28 PID 1452 wrote to memory of 2680 1452 cmd.exe 30 PID 1452 wrote to memory of 2680 1452 cmd.exe 30 PID 1452 wrote to memory of 2680 1452 cmd.exe 30 PID 2080 wrote to memory of 2352 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 38 PID 2080 wrote to memory of 2352 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 38 PID 2080 wrote to memory of 2352 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 38 PID 2080 wrote to memory of 2352 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 38 PID 2080 wrote to memory of 2348 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 39 PID 2080 wrote to memory of 2348 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 39 PID 2080 wrote to memory of 2348 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 39 PID 2080 wrote to memory of 2348 2080 33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe 39 PID 2348 wrote to memory of 2344 2348 cmd.exe 41 PID 2348 wrote to memory of 2344 2348 cmd.exe 41 PID 2348 wrote to memory of 2344 2348 cmd.exe 41 PID 2348 wrote to memory of 1608 2348 cmd.exe 42 PID 2348 wrote to memory of 1608 2348 cmd.exe 42 PID 2348 wrote to memory of 1608 2348 cmd.exe 42 -
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\33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe"C:\Users\Admin\AppData\Local\Temp\33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.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:2080 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Windows\system32\wbem\WMIC.exeC:\Windows\system32\wbem\wmic.exe shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2680
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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
PID:2352
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\system32\taskkill.exetaskkill /f /im "33842966256e6ad79cb3cb03d9e190b17aa1b225a95289f387396e02e5af80aaN.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2344
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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:1608
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2668
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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:1452
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
66KB
MD5461e8713fb9061a671f725189fb5ecbf
SHA12400bb363099d8dc379ea8bde47da328bcf1a423
SHA2563c1d1c726c7efaa1b608ea0617a5e2eb4d7411207eb959c54b078c1a86b5fda0
SHA512482ddd92182a0ad95e9fbe26306004916656cbbbe4d7b95ae4d0e9652be79cd78dfaf1bb907e6a17f71a6656642573817289c6bb287906dc2431d87dd4877db2