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Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
04/04/2024, 17:39
Static task
static1
Behavioral task
behavioral1
Sample
slack.msi
Resource
win7-20240319-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
slack.msi
Resource
win10v2004-20240226-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
slack.msi
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Size
1.5MB
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MD5
3703f47cfa7ce06c14374f173c68daf0
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SHA1
11826292538317a69ffffac6fde43418af10c91c
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SHA256
b9dbe9649c761b0eee38419ac39dcd7e90486ee34cd0eb56adde6b2f645f2960
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SHA512
8126b9819d588253588b360b21a8ec0fbf12e90f7d7c7d8f01c81b730d7993409ef4c7ce044b3bdc066f745d4fd471fb2bd93fb7d8e7565f67d4e086622dce4b
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SSDEEP
24576:dFdxLNvYBSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7AmAyTicXFyiYlHfe:dFtvY/W8zBQSc0ZnSKeZKumZr7AByIi+
Score
10/10
Malware Config
Extracted
Family
latrodectus
C2
https://titnovacrion.top/live/
https://skinnyjeanso.com/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 2 IoCs
resource yara_rule behavioral1/memory/852-46-0x00000000001F0000-0x0000000000204000-memory.dmp family_latrodectus_v2 behavioral1/memory/852-48-0x00000000001B0000-0x00000000001C4000-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.
description ioc Process File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: 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) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: 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\MSI9F9C.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f769ccc.msi msiexec.exe File opened for modification C:\Windows\Installer\f769ccc.msi msiexec.exe File created C:\Windows\Installer\f769ccd.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\Installer\MSI9D29.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9F2D.tmp msiexec.exe File opened for modification C:\Windows\Installer\f769ccd.ipi msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 308 MSI9F9C.tmp -
Loads dropped DLL 10 IoCs
pid Process 2168 MsiExec.exe 2168 MsiExec.exe 2168 MsiExec.exe 2168 MsiExec.exe 2168 MsiExec.exe 1472 MsiExec.exe 852 rundll32.exe 852 rundll32.exe 852 rundll32.exe 852 rundll32.exe -
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\CA\Certificates 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\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\CRLs 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\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs 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\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\trust 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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1732 msiexec.exe 1732 msiexec.exe 308 MSI9F9C.tmp 852 rundll32.exe 852 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1624 msiexec.exe Token: SeIncreaseQuotaPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1732 msiexec.exe Token: SeTakeOwnershipPrivilege 1732 msiexec.exe Token: SeSecurityPrivilege 1732 msiexec.exe Token: SeCreateTokenPrivilege 1624 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1624 msiexec.exe Token: SeLockMemoryPrivilege 1624 msiexec.exe Token: SeIncreaseQuotaPrivilege 1624 msiexec.exe Token: SeMachineAccountPrivilege 1624 msiexec.exe Token: SeTcbPrivilege 1624 msiexec.exe Token: SeSecurityPrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeLoadDriverPrivilege 1624 msiexec.exe Token: SeSystemProfilePrivilege 1624 msiexec.exe Token: SeSystemtimePrivilege 1624 msiexec.exe Token: SeProfSingleProcessPrivilege 1624 msiexec.exe Token: SeIncBasePriorityPrivilege 1624 msiexec.exe Token: SeCreatePagefilePrivilege 1624 msiexec.exe Token: SeCreatePermanentPrivilege 1624 msiexec.exe Token: SeBackupPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeShutdownPrivilege 1624 msiexec.exe Token: SeDebugPrivilege 1624 msiexec.exe Token: SeAuditPrivilege 1624 msiexec.exe Token: SeSystemEnvironmentPrivilege 1624 msiexec.exe Token: SeChangeNotifyPrivilege 1624 msiexec.exe Token: SeRemoteShutdownPrivilege 1624 msiexec.exe Token: SeUndockPrivilege 1624 msiexec.exe Token: SeSyncAgentPrivilege 1624 msiexec.exe Token: SeEnableDelegationPrivilege 1624 msiexec.exe Token: SeManageVolumePrivilege 1624 msiexec.exe Token: SeImpersonatePrivilege 1624 msiexec.exe Token: SeCreateGlobalPrivilege 1624 msiexec.exe Token: SeCreateTokenPrivilege 1624 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1624 msiexec.exe Token: SeLockMemoryPrivilege 1624 msiexec.exe Token: SeIncreaseQuotaPrivilege 1624 msiexec.exe Token: SeMachineAccountPrivilege 1624 msiexec.exe Token: SeTcbPrivilege 1624 msiexec.exe Token: SeSecurityPrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeLoadDriverPrivilege 1624 msiexec.exe Token: SeSystemProfilePrivilege 1624 msiexec.exe Token: SeSystemtimePrivilege 1624 msiexec.exe Token: SeProfSingleProcessPrivilege 1624 msiexec.exe Token: SeIncBasePriorityPrivilege 1624 msiexec.exe Token: SeCreatePagefilePrivilege 1624 msiexec.exe Token: SeCreatePermanentPrivilege 1624 msiexec.exe Token: SeBackupPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeShutdownPrivilege 1624 msiexec.exe Token: SeDebugPrivilege 1624 msiexec.exe Token: SeAuditPrivilege 1624 msiexec.exe Token: SeSystemEnvironmentPrivilege 1624 msiexec.exe Token: SeChangeNotifyPrivilege 1624 msiexec.exe Token: SeRemoteShutdownPrivilege 1624 msiexec.exe Token: SeUndockPrivilege 1624 msiexec.exe Token: SeSyncAgentPrivilege 1624 msiexec.exe Token: SeEnableDelegationPrivilege 1624 msiexec.exe Token: SeManageVolumePrivilege 1624 msiexec.exe Token: SeImpersonatePrivilege 1624 msiexec.exe Token: SeCreateGlobalPrivilege 1624 msiexec.exe Token: SeCreateTokenPrivilege 1624 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1624 msiexec.exe 1624 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 2168 1732 msiexec.exe 29 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 1472 1732 msiexec.exe 33 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 msiexec.exe 34 PID 1732 wrote to memory of 308 1732 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\slack.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1624
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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:1732 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F8D0CF91339605A40F5EB200F7B024A5 C2⤵
- Loads dropped DLL
PID:2168
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 858E2703E1B17D1CD0635E57DCFCF3812⤵
- Loads dropped DLL
PID:1472
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C:\Windows\Installer\MSI9F9C.tmp"C:\Windows\Installer\MSI9F9C.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:308
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2708
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000330" "00000000000005AC"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2500
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\digistamp\mbae-api-na.dll, homi1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5869809eae0ae80e2613901d30b4d60cd
SHA1e3d1b416868d62e4dcaae4fb46a63c4d5acb8863
SHA25671f71db950ea41ff5ae081ede9ee6579512cc6ac19735ea7a48d2bd6fd679aac
SHA5120068c784ae25e172d8ae319e2f7f491d1baba8cb3997fc411bf75e47004bf813091e74b94e562bd2be6447eedf03e6e21ef80ccedde4f4957ee75574bc7dc54b
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
740KB
MD5f46e75eb89214e2fbb850b9d29b9f515
SHA11f35835a08f96fd9198864b8ded5baa1a27db710
SHA2569856b816a9d14d3b7db32f30b07624e4bcda7f1e265a7bb7a3e3476bfd54a759
SHA5129168a57de11da133d0ba98c8b7491520e9c75ad4678a5ac11e9220e483bcf7a2b9cc868ffc19de60094e87a5059303d20bd1f4a30c4f567ab4c3237f5f4c520d
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04