Analysis
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max time kernel
361s -
max time network
362s -
platform
windows7_x64 -
resource
win7-20240220-en -
submitted
13-03-2024 13:29
Static task
static1
Behavioral task
behavioral1
Sample
cisa.msi
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
cisa.msi
Resource
win10v2004-20240226-en
General
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Target
cisa.msi
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Size
1.5MB
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MD5
c4e8f3e02fd50a4051f11048f1355726
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SHA1
c82bf39c9f4797f346447aecc1070fb8c892010f
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SHA256
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f
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SHA512
e44d8330c4ffdae01614ed5d11c2f112cff9b39bae793242f983d039e1404d371a2697a77fa65b740e43548ab1b203607a6d82b05ff3df741be02bd99a136592
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SSDEEP
24576:QjGxLNvYLSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7A0r7Jh3OnJ3qXIoj:QjivYpW8zBQSc0ZnSKeZKumZr7A+D3O2
Malware Config
Extracted
latrodectus
https://aytobusesre.com/live/
https://scifimond.com/live/
Signatures
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Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 2 IoCs
Processes:
resource yara_rule behavioral1/memory/280-43-0x0000000000130000-0x0000000000144000-memory.dmp family_latrodectus_v2 behavioral1/memory/280-44-0x0000000000130000-0x0000000000144000-memory.dmp family_latrodectus_v2 -
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) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: 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) \??\Y: msiexec.exe -
Drops file in Windows directory 11 IoCs
Processes:
msiexec.exeDrvInst.exedescription ioc Process File opened for modification C:\Windows\Installer\f76276e.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\f76276f.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f76276e.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI27AC.tmp msiexec.exe File created C:\Windows\Installer\f76276f.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI2869.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI28A9.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe -
Executes dropped EXE 1 IoCs
Processes:
MSI28A9.tmppid Process 1568 MSI28A9.tmp -
Loads dropped DLL 10 IoCs
Processes:
MsiExec.exeMsiExec.exerundll32.exepid Process 2612 MsiExec.exe 2612 MsiExec.exe 2612 MsiExec.exe 2612 MsiExec.exe 2612 MsiExec.exe 1852 MsiExec.exe 280 rundll32.exe 280 rundll32.exe 280 rundll32.exe 280 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
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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.
Processes:
MSI28A9.tmpMsiExec.exeMsiExec.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSI28A9.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe -
Modifies data under HKEY_USERS 43 IoCs
Processes:
DrvInst.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs 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\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
msiexec.exeMSI28A9.tmprundll32.exepid Process 2636 msiexec.exe 2636 msiexec.exe 1568 MSI28A9.tmp 280 rundll32.exe 280 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
msiexec.exemsiexec.exedescription pid Process Token: SeShutdownPrivilege 3056 msiexec.exe Token: SeIncreaseQuotaPrivilege 3056 msiexec.exe Token: SeRestorePrivilege 2636 msiexec.exe Token: SeTakeOwnershipPrivilege 2636 msiexec.exe Token: SeSecurityPrivilege 2636 msiexec.exe Token: SeCreateTokenPrivilege 3056 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3056 msiexec.exe Token: SeLockMemoryPrivilege 3056 msiexec.exe Token: SeIncreaseQuotaPrivilege 3056 msiexec.exe Token: SeMachineAccountPrivilege 3056 msiexec.exe Token: SeTcbPrivilege 3056 msiexec.exe Token: SeSecurityPrivilege 3056 msiexec.exe Token: SeTakeOwnershipPrivilege 3056 msiexec.exe Token: SeLoadDriverPrivilege 3056 msiexec.exe Token: SeSystemProfilePrivilege 3056 msiexec.exe Token: SeSystemtimePrivilege 3056 msiexec.exe Token: SeProfSingleProcessPrivilege 3056 msiexec.exe Token: SeIncBasePriorityPrivilege 3056 msiexec.exe Token: SeCreatePagefilePrivilege 3056 msiexec.exe Token: SeCreatePermanentPrivilege 3056 msiexec.exe Token: SeBackupPrivilege 3056 msiexec.exe Token: SeRestorePrivilege 3056 msiexec.exe Token: SeShutdownPrivilege 3056 msiexec.exe Token: SeDebugPrivilege 3056 msiexec.exe Token: SeAuditPrivilege 3056 msiexec.exe Token: SeSystemEnvironmentPrivilege 3056 msiexec.exe Token: SeChangeNotifyPrivilege 3056 msiexec.exe Token: SeRemoteShutdownPrivilege 3056 msiexec.exe Token: SeUndockPrivilege 3056 msiexec.exe Token: SeSyncAgentPrivilege 3056 msiexec.exe Token: SeEnableDelegationPrivilege 3056 msiexec.exe Token: SeManageVolumePrivilege 3056 msiexec.exe Token: SeImpersonatePrivilege 3056 msiexec.exe Token: SeCreateGlobalPrivilege 3056 msiexec.exe Token: SeCreateTokenPrivilege 3056 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3056 msiexec.exe Token: SeLockMemoryPrivilege 3056 msiexec.exe Token: SeIncreaseQuotaPrivilege 3056 msiexec.exe Token: SeMachineAccountPrivilege 3056 msiexec.exe Token: SeTcbPrivilege 3056 msiexec.exe Token: SeSecurityPrivilege 3056 msiexec.exe Token: SeTakeOwnershipPrivilege 3056 msiexec.exe Token: SeLoadDriverPrivilege 3056 msiexec.exe Token: SeSystemProfilePrivilege 3056 msiexec.exe Token: SeSystemtimePrivilege 3056 msiexec.exe Token: SeProfSingleProcessPrivilege 3056 msiexec.exe Token: SeIncBasePriorityPrivilege 3056 msiexec.exe Token: SeCreatePagefilePrivilege 3056 msiexec.exe Token: SeCreatePermanentPrivilege 3056 msiexec.exe Token: SeBackupPrivilege 3056 msiexec.exe Token: SeRestorePrivilege 3056 msiexec.exe Token: SeShutdownPrivilege 3056 msiexec.exe Token: SeDebugPrivilege 3056 msiexec.exe Token: SeAuditPrivilege 3056 msiexec.exe Token: SeSystemEnvironmentPrivilege 3056 msiexec.exe Token: SeChangeNotifyPrivilege 3056 msiexec.exe Token: SeRemoteShutdownPrivilege 3056 msiexec.exe Token: SeUndockPrivilege 3056 msiexec.exe Token: SeSyncAgentPrivilege 3056 msiexec.exe Token: SeEnableDelegationPrivilege 3056 msiexec.exe Token: SeManageVolumePrivilege 3056 msiexec.exe Token: SeImpersonatePrivilege 3056 msiexec.exe Token: SeCreateGlobalPrivilege 3056 msiexec.exe Token: SeCreateTokenPrivilege 3056 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid Process 3056 msiexec.exe 3056 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
msiexec.exedescription pid Process procid_target PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 2612 2636 msiexec.exe 29 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1852 2636 msiexec.exe 33 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 PID 2636 wrote to memory of 1568 2636 msiexec.exe 34 -
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\cisa.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3056
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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:2636 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 3152DCA5BA29B2B767174D51C9C2C138 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2612
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 56D08CFC24AA42F38178C03A4EA1A50B2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1852
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C:\Windows\Installer\MSI28A9.tmp"C:\Windows\Installer\MSI28A9.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1568
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2448
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003D8" "0000000000000588"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1740
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:280
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD59676c3a1e92eb2e5b8672624a4f3ae61
SHA149e1b608f636f6ac610785cc79af1af0f1165233
SHA256d523a9111a24722cad01cd6e692e2c658ce787bcf455817533b1ff76d3764aab
SHA51200339e4365db93e3a6ba0b947e96be7e0a4f4a1ca288edc7440e80f530132553c2b48682572d9c4870fe5edbba4ce8d396c239a940bcaa47083a035e2c361f37
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
694KB
MD5da8ae8e1de522b20a462239c6893613e
SHA17f65ef885815d81d220f9f42877ff0d696b0134c
SHA256aee22a35cbdac3f16c3ed742c0b1bfe9739a13469cf43b36fb2c63565111028c
SHA512d2dca9ba9272a0bdfa88f7520545e21a1f4d18dcacec36b072369cee8e28ba635a0214b47caef74b6f7fcd06e120d898da997e71c8955c72510972c66d2a855d
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04