Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
submitted
17/09/2024, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
4dbb76374e57bb0aeda7f060d7b49fd1c0bba480ab1527dfa0ea009db0383298.msi
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4dbb76374e57bb0aeda7f060d7b49fd1c0bba480ab1527dfa0ea009db0383298.msi
Resource
win10v2004-20240802-en
General
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Target
4dbb76374e57bb0aeda7f060d7b49fd1c0bba480ab1527dfa0ea009db0383298.msi
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Size
1.5MB
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MD5
f1f8dcc624cbbbf64c48207f3ab75587
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SHA1
bd32787754b124da7ecfcc3badc8eaa80de5c90b
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SHA256
4dbb76374e57bb0aeda7f060d7b49fd1c0bba480ab1527dfa0ea009db0383298
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SHA512
5c9892355af5da5389a631ba79df05c39a678d10f0fe9af80c83d4e16681f8e828d22992083dc877117d87434b973a648f308a34797c4e04fd0db93788cafb05
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SSDEEP
24576:XD7xLN3Y2MvZCFlp8zBQSc0ZoCvqK9x0ECIgYmfLVYeBZr7A4mK8OdBsCaatxxo:XD73YhW8zBQSc0ZnSKBZKumZr7A3K8YR
Malware Config
Extracted
latrodectus
https://indepahote.com/test/
https://pikchestop.com/test/
Signatures
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Detects Latrodectus 1 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral1/memory/1624-63-0x00000000002B0000-0x00000000002C6000-memory.dmp family_latrodectus_1_4 -
Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: 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) \??\X: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIE699.tmp msiexec.exe File opened for modification C:\Windows\Installer\f76e429.ipi msiexec.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\f76e428.msi msiexec.exe File created C:\Windows\Installer\f76e429.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\Installer\f76e428.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIE495.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIE708.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 2124 MSIE708.tmp -
Loads dropped DLL 14 IoCs
pid Process 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 2140 MsiExec.exe 2000 rundll32.exe 2000 rundll32.exe 2000 rundll32.exe 2000 rundll32.exe 1624 rundll32.exe 1624 rundll32.exe 1624 rundll32.exe 1624 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 2256 msiexec.exe -
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 MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSIE708.tmp -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs 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 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\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs 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\CA\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\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs 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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2004 msiexec.exe 2004 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2256 msiexec.exe Token: SeIncreaseQuotaPrivilege 2256 msiexec.exe Token: SeRestorePrivilege 2004 msiexec.exe Token: SeTakeOwnershipPrivilege 2004 msiexec.exe Token: SeSecurityPrivilege 2004 msiexec.exe Token: SeCreateTokenPrivilege 2256 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2256 msiexec.exe Token: SeLockMemoryPrivilege 2256 msiexec.exe Token: SeIncreaseQuotaPrivilege 2256 msiexec.exe Token: SeMachineAccountPrivilege 2256 msiexec.exe Token: SeTcbPrivilege 2256 msiexec.exe Token: SeSecurityPrivilege 2256 msiexec.exe Token: SeTakeOwnershipPrivilege 2256 msiexec.exe Token: SeLoadDriverPrivilege 2256 msiexec.exe Token: SeSystemProfilePrivilege 2256 msiexec.exe Token: SeSystemtimePrivilege 2256 msiexec.exe Token: SeProfSingleProcessPrivilege 2256 msiexec.exe Token: SeIncBasePriorityPrivilege 2256 msiexec.exe Token: SeCreatePagefilePrivilege 2256 msiexec.exe Token: SeCreatePermanentPrivilege 2256 msiexec.exe Token: SeBackupPrivilege 2256 msiexec.exe Token: SeRestorePrivilege 2256 msiexec.exe Token: SeShutdownPrivilege 2256 msiexec.exe Token: SeDebugPrivilege 2256 msiexec.exe Token: SeAuditPrivilege 2256 msiexec.exe Token: SeSystemEnvironmentPrivilege 2256 msiexec.exe Token: SeChangeNotifyPrivilege 2256 msiexec.exe Token: SeRemoteShutdownPrivilege 2256 msiexec.exe Token: SeUndockPrivilege 2256 msiexec.exe Token: SeSyncAgentPrivilege 2256 msiexec.exe Token: SeEnableDelegationPrivilege 2256 msiexec.exe Token: SeManageVolumePrivilege 2256 msiexec.exe Token: SeImpersonatePrivilege 2256 msiexec.exe Token: SeCreateGlobalPrivilege 2256 msiexec.exe Token: SeCreateTokenPrivilege 2256 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2256 msiexec.exe Token: SeLockMemoryPrivilege 2256 msiexec.exe Token: SeIncreaseQuotaPrivilege 2256 msiexec.exe Token: SeMachineAccountPrivilege 2256 msiexec.exe Token: SeTcbPrivilege 2256 msiexec.exe Token: SeSecurityPrivilege 2256 msiexec.exe Token: SeTakeOwnershipPrivilege 2256 msiexec.exe Token: SeLoadDriverPrivilege 2256 msiexec.exe Token: SeSystemProfilePrivilege 2256 msiexec.exe Token: SeSystemtimePrivilege 2256 msiexec.exe Token: SeProfSingleProcessPrivilege 2256 msiexec.exe Token: SeIncBasePriorityPrivilege 2256 msiexec.exe Token: SeCreatePagefilePrivilege 2256 msiexec.exe Token: SeCreatePermanentPrivilege 2256 msiexec.exe Token: SeBackupPrivilege 2256 msiexec.exe Token: SeRestorePrivilege 2256 msiexec.exe Token: SeShutdownPrivilege 2256 msiexec.exe Token: SeDebugPrivilege 2256 msiexec.exe Token: SeAuditPrivilege 2256 msiexec.exe Token: SeSystemEnvironmentPrivilege 2256 msiexec.exe Token: SeChangeNotifyPrivilege 2256 msiexec.exe Token: SeRemoteShutdownPrivilege 2256 msiexec.exe Token: SeUndockPrivilege 2256 msiexec.exe Token: SeSyncAgentPrivilege 2256 msiexec.exe Token: SeEnableDelegationPrivilege 2256 msiexec.exe Token: SeManageVolumePrivilege 2256 msiexec.exe Token: SeImpersonatePrivilege 2256 msiexec.exe Token: SeCreateGlobalPrivilege 2256 msiexec.exe Token: SeCreateTokenPrivilege 2256 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2256 msiexec.exe 2256 msiexec.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 3020 2004 msiexec.exe 31 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2140 2004 msiexec.exe 36 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2004 wrote to memory of 2124 2004 msiexec.exe 37 PID 2000 wrote to memory of 1624 2000 rundll32.exe 39 PID 2000 wrote to memory of 1624 2000 rundll32.exe 39 PID 2000 wrote to memory of 1624 2000 rundll32.exe 39 -
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.
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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\4dbb76374e57bb0aeda7f060d7b49fd1c0bba480ab1527dfa0ea009db0383298.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2256
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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:2004 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 57B2D0FC5CA489275E47D05FF3F585AA C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3020
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 9966965629B25983C9D2BB59DC5B51E12⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2140
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C:\Windows\Installer\MSIE708.tmp"C:\Windows\Installer\MSIE708.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\nvidia.dll, AnselEnableCheck2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2124
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2732
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003CC" "00000000000005D4"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2704
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\nvidia.dll, AnselEnableCheck1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_79e169f8.dll", AnselEnableCheck2⤵
- Loads dropped DLL
PID:1624
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD589b0a75ae887e998146db49e19d26b79
SHA10957952cadb0df2acbe65e57444db02d73fc5559
SHA25698ac344a809645366b18983939dce6b65148da22efe99633e7b012034774dc93
SHA512e662282f070cf2f54b21098e1f8ceb34a52f3399157f86d26b70f07a4f0b5108a79acc1f958add3efc92b3c35cdb127e9a74537879de22a665795645c62fe235
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Filesize
701KB
MD58703a1209bd5be3e9c15eb4e5db332de
SHA10e110df37f6315f3a76b12714afcc55323563388
SHA2561db686635bcdde30163e1e624c4d8f107fd2a20507690151c69cc6a0c482207a
SHA5122dbd2753264091580055bbbcde0c6de15c3eaa593f1c1eabf0d65cc886298149798dde80259058090b2bbb446dfab27589d90fe3f92411721d90c81c9234b9c4
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e