Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-05-2024 10:16
Behavioral task
behavioral1
Sample
Chrome.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Chrome.msi
Resource
win10v2004-20240419-en
General
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Target
Chrome.msi
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Size
288KB
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MD5
10cca9ff7368ddfb2301d36fa386669a
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SHA1
9ec12af4a97eda16513aa51ec685601c64eec626
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SHA256
ba9933fa2ea29f27d73736ecd78d3f598e4786f2207e29fa6c7f42f008d529a9
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SHA512
c72938d43e08de87c0328a500810e0c33448110eefb3eaf9569dbb9b91e61e9db4022ca6359e84e2a9b376077d5242948ecdbd2fb433b508a4006463d56d1c85
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SSDEEP
3072:81L7cspAtO9mXwCGjtYNKbYO2gjpcm8rRuqpjCL42loHUvU0yGxr5GqM2a8VlhD5:btO9iRQYpgjpjew5DHyGxcqo8f7
Malware Config
Signatures
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Detect MafiaWare666 ransomware 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\files.cab family_mafiaware666 C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\files\WindowsFormsApp1_original.exe family_mafiaware666 behavioral1/memory/1384-71-0x0000000001060000-0x000000000106E000-memory.dmp family_mafiaware666 -
MafiaWare666 Ransomware
MafiaWare666 is ransomware written in C# with multiple variants.
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Renames multiple (90) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies file permissions 1 TTPs 1 IoCs
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Drops desktop.ini file(s) 3 IoCs
Processes:
WindowsFormsApp1_original.exedescription ioc process File opened for modification C:\Users\Admin\Desktop\desktop.ini WindowsFormsApp1_original.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini WindowsFormsApp1_original.exe File opened for modification C:\Users\Admin\Documents\desktop.ini WindowsFormsApp1_original.exe -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
msiexec.exemsiexec.exedescription ioc process File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in Windows directory 10 IoCs
Processes:
msiexec.exeEXPAND.EXEDrvInst.exedescription ioc process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI2F6A.tmp msiexec.exe File opened for modification C:\Windows\Logs\DPX\setupact.log EXPAND.EXE File opened for modification C:\Windows\Logs\DPX\setuperr.log EXPAND.EXE File opened for modification C:\Windows\Installer\f762e8f.msi msiexec.exe File created C:\Windows\Installer\f762e90.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f762e8f.msi msiexec.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsFormsApp1_original.exepid process 1384 WindowsFormsApp1_original.exe -
Loads dropped DLL 5 IoCs
Processes:
MsiExec.exepid process 1476 MsiExec.exe 1476 MsiExec.exe 1476 MsiExec.exe 1476 MsiExec.exe 1476 MsiExec.exe -
Modifies data under HKEY_USERS 43 IoCs
Processes:
DrvInst.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
msiexec.exepid process 2344 msiexec.exe 2344 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 53 IoCs
Processes:
msiexec.exemsiexec.exevssvc.exeDrvInst.exedescription pid process Token: SeShutdownPrivilege 2024 msiexec.exe Token: SeIncreaseQuotaPrivilege 2024 msiexec.exe Token: SeRestorePrivilege 2344 msiexec.exe Token: SeTakeOwnershipPrivilege 2344 msiexec.exe Token: SeSecurityPrivilege 2344 msiexec.exe Token: SeCreateTokenPrivilege 2024 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2024 msiexec.exe Token: SeLockMemoryPrivilege 2024 msiexec.exe Token: SeIncreaseQuotaPrivilege 2024 msiexec.exe Token: SeMachineAccountPrivilege 2024 msiexec.exe Token: SeTcbPrivilege 2024 msiexec.exe Token: SeSecurityPrivilege 2024 msiexec.exe Token: SeTakeOwnershipPrivilege 2024 msiexec.exe Token: SeLoadDriverPrivilege 2024 msiexec.exe Token: SeSystemProfilePrivilege 2024 msiexec.exe Token: SeSystemtimePrivilege 2024 msiexec.exe Token: SeProfSingleProcessPrivilege 2024 msiexec.exe Token: SeIncBasePriorityPrivilege 2024 msiexec.exe Token: SeCreatePagefilePrivilege 2024 msiexec.exe Token: SeCreatePermanentPrivilege 2024 msiexec.exe Token: SeBackupPrivilege 2024 msiexec.exe Token: SeRestorePrivilege 2024 msiexec.exe Token: SeShutdownPrivilege 2024 msiexec.exe Token: SeDebugPrivilege 2024 msiexec.exe Token: SeAuditPrivilege 2024 msiexec.exe Token: SeSystemEnvironmentPrivilege 2024 msiexec.exe Token: SeChangeNotifyPrivilege 2024 msiexec.exe Token: SeRemoteShutdownPrivilege 2024 msiexec.exe Token: SeUndockPrivilege 2024 msiexec.exe Token: SeSyncAgentPrivilege 2024 msiexec.exe Token: SeEnableDelegationPrivilege 2024 msiexec.exe Token: SeManageVolumePrivilege 2024 msiexec.exe Token: SeImpersonatePrivilege 2024 msiexec.exe Token: SeCreateGlobalPrivilege 2024 msiexec.exe Token: SeBackupPrivilege 2944 vssvc.exe Token: SeRestorePrivilege 2944 vssvc.exe Token: SeAuditPrivilege 2944 vssvc.exe Token: SeBackupPrivilege 2344 msiexec.exe Token: SeRestorePrivilege 2344 msiexec.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2548 DrvInst.exe Token: SeLoadDriverPrivilege 2548 DrvInst.exe Token: SeLoadDriverPrivilege 2548 DrvInst.exe Token: SeLoadDriverPrivilege 2548 DrvInst.exe Token: SeRestorePrivilege 2344 msiexec.exe Token: SeTakeOwnershipPrivilege 2344 msiexec.exe Token: SeRestorePrivilege 2344 msiexec.exe Token: SeTakeOwnershipPrivilege 2344 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
msiexec.exepid process 2024 msiexec.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
msiexec.exeMsiExec.exedescription pid process target process PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 2344 wrote to memory of 1476 2344 msiexec.exe MsiExec.exe PID 1476 wrote to memory of 2304 1476 MsiExec.exe ICACLS.EXE PID 1476 wrote to memory of 2304 1476 MsiExec.exe ICACLS.EXE PID 1476 wrote to memory of 2304 1476 MsiExec.exe ICACLS.EXE PID 1476 wrote to memory of 2304 1476 MsiExec.exe ICACLS.EXE PID 1476 wrote to memory of 300 1476 MsiExec.exe EXPAND.EXE PID 1476 wrote to memory of 300 1476 MsiExec.exe EXPAND.EXE PID 1476 wrote to memory of 300 1476 MsiExec.exe EXPAND.EXE PID 1476 wrote to memory of 300 1476 MsiExec.exe EXPAND.EXE PID 1476 wrote to memory of 1384 1476 MsiExec.exe WindowsFormsApp1_original.exe PID 1476 wrote to memory of 1384 1476 MsiExec.exe WindowsFormsApp1_original.exe PID 1476 wrote to memory of 1384 1476 MsiExec.exe WindowsFormsApp1_original.exe PID 1476 wrote to memory of 1384 1476 MsiExec.exe WindowsFormsApp1_original.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Chrome.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2024
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 85E1D924C2FC9627174799C9DBE115D72⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\ICACLS.EXE"C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\." /SETINTEGRITYLEVEL (CI)(OI)HIGH3⤵
- Modifies file permissions
PID:2304
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C:\Windows\SysWOW64\EXPAND.EXE"C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files3⤵
- Drops file in Windows directory
PID:300
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C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\files\WindowsFormsApp1_original.exe"C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\files\WindowsFormsApp1_original.exe"3⤵
- Drops desktop.ini file(s)
- Executes dropped EXE
PID:1384
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005A0" "00000000000005A4"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5b050ee720b47e099ebeb9fb585ddcd80
SHA1710b83b1c892872623581cc629a22f7f58672651
SHA256040c3c2ec3e91c3f6d6b7b895017f08ece1998d0fcae1d40d75312fdf3dae5fc
SHA51286209153e7be31e5dd638f79dbef639fd8c5642d56b01bc9f8a4370553cf71fcedc82141072739625a7cf397096f0e8cacc774a92796d13ca81b83ed5a89a32e
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C:\Users\Admin\AppData\Local\Temp\MW-e1438e29-25fb-4b23-b3bb-088647172f68\files\WindowsFormsApp1_original.exe
Filesize37KB
MD5fcb4ddf79552dbc16151c4f002e72a81
SHA15a6655bf73e42c6e0eb35b58aba5bba91745fb49
SHA2561e16152df45f8830bc7f5682342fd632dd724cccfd752f9fd1be4cd2c2606179
SHA5122ef11bf7e3539d812e54a2b6ccd5901fa60e1c873ac19e71e0b1d305090a742f492e2d4ed836b3897f8795335b9181bceb555e2a5c143cff59843ef921e1a4d3
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Filesize
436B
MD53c54dfc2686916e6a4670c59be3b0b8e
SHA14477effd05a4e165fd9018de4c0f10443bf0491f
SHA2569db42a09db6a25a07bcd14b39d3f0dcaaa5bc45904a452b83bd798aca1631386
SHA512773b54e1727436aed941538746a646e0226ac9a9e6f5917dddc30e7c1033ba05ecf6fd66145d8bedbe070ac29dc5b4160287d5659cd4e6dc117be63005f1f373
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Filesize
1KB
MD5efb4ff50901cc46e91262c747ccdeea5
SHA15750d25beadcf3c636f7eeb65863a1a8f6c63ab4
SHA256306ffee0725f53e2c02911e570d3530e250b6c8afe26daeb607e18dfdd6f9595
SHA512b090ed6e9031edfc24d907cc3bf1dbb2004357bccd04c2a56977875fb53a23ef568b8fc31ab5ef3f2267b3e7191cdda41e43f87f45c81a0395aeb93b54525e4a
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Filesize
208KB
MD50c8921bbcc37c6efd34faf44cf3b0cb5
SHA1dcfa71246157edcd09eecaf9d4c5e360b24b3e49
SHA256fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
SHA512ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108