Analysis
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max time kernel
273s -
max time network
286s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
26-04-2024 22:50
Static task
static1
Behavioral task
behavioral1
Sample
neo.msi
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral2
Sample
neo.msi
Resource
win10-20240404-en
windows10-1703-x64
Behavioral task
behavioral3
Sample
neo.msi
Resource
win10v2004-20240419-en
windows10-2004-x64
Behavioral task
behavioral4
Sample
neo.msi
Resource
win11-20240419-en
windows11-21h2-x64
General
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Target
neo.msi
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Size
1.5MB
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MD5
37605a3eb80f3366e56938031a9ac917
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SHA1
0582a0dd69d6027fb94765254ed91ad736ade305
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SHA256
4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
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SHA512
772bb5538f5af14146d9bcf8d8c29a70860ecdf84b4af6cc99dae7589f60847ca7cb87b068bd2aa86f620e79d394c223b96c9fe95fe390e8a9c8422282f5b405
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SSDEEP
49152:JZH3YuW8zBQSc0ZnSKmZKumZr7AQB7aLTB:7Y90Zn0K/AQwLF
Malware Config
Extracted
latrodectus
https://jarinamaers.shop/live/
https://startmast.shop/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 1 IoCs
resource yara_rule behavioral2/memory/4904-70-0x000001C006550000-0x000001C006564000-memory.dmp family_latrodectus_v2 -
Blocklisted process makes network request 1 IoCs
flow pid Process 22 4904 rundll32.exe -
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) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File created C:\Windows\Installer\e57926c.msi msiexec.exe File opened for modification C:\Windows\Installer\e57926c.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI9472.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI929B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9386.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{B135729E-0574-44D1-B7A1-6E44550F506B} msiexec.exe File opened for modification C:\Windows\Installer\MSI94E1.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 412 MSI94E1.tmp -
Loads dropped DLL 11 IoCs
pid Process 4808 MsiExec.exe 4808 MsiExec.exe 4808 MsiExec.exe 4808 MsiExec.exe 4808 MsiExec.exe 4808 MsiExec.exe 1448 MsiExec.exe 1448 MsiExec.exe 3104 rundll32.exe 4904 rundll32.exe 4332 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4296 msiexec.exe 4296 msiexec.exe 412 MSI94E1.tmp 412 MSI94E1.tmp 3104 rundll32.exe 3104 rundll32.exe 3104 rundll32.exe 3104 rundll32.exe 4904 rundll32.exe 4904 rundll32.exe 4904 rundll32.exe 4904 rundll32.exe 4332 rundll32.exe 4332 rundll32.exe 4332 rundll32.exe 4332 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1844 msiexec.exe Token: SeIncreaseQuotaPrivilege 1844 msiexec.exe Token: SeSecurityPrivilege 4296 msiexec.exe Token: SeCreateTokenPrivilege 1844 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1844 msiexec.exe Token: SeLockMemoryPrivilege 1844 msiexec.exe Token: SeIncreaseQuotaPrivilege 1844 msiexec.exe Token: SeMachineAccountPrivilege 1844 msiexec.exe Token: SeTcbPrivilege 1844 msiexec.exe Token: SeSecurityPrivilege 1844 msiexec.exe Token: SeTakeOwnershipPrivilege 1844 msiexec.exe Token: SeLoadDriverPrivilege 1844 msiexec.exe Token: SeSystemProfilePrivilege 1844 msiexec.exe Token: SeSystemtimePrivilege 1844 msiexec.exe Token: SeProfSingleProcessPrivilege 1844 msiexec.exe Token: SeIncBasePriorityPrivilege 1844 msiexec.exe Token: SeCreatePagefilePrivilege 1844 msiexec.exe Token: SeCreatePermanentPrivilege 1844 msiexec.exe Token: SeBackupPrivilege 1844 msiexec.exe Token: SeRestorePrivilege 1844 msiexec.exe Token: SeShutdownPrivilege 1844 msiexec.exe Token: SeDebugPrivilege 1844 msiexec.exe Token: SeAuditPrivilege 1844 msiexec.exe Token: SeSystemEnvironmentPrivilege 1844 msiexec.exe Token: SeChangeNotifyPrivilege 1844 msiexec.exe Token: SeRemoteShutdownPrivilege 1844 msiexec.exe Token: SeUndockPrivilege 1844 msiexec.exe Token: SeSyncAgentPrivilege 1844 msiexec.exe Token: SeEnableDelegationPrivilege 1844 msiexec.exe Token: SeManageVolumePrivilege 1844 msiexec.exe Token: SeImpersonatePrivilege 1844 msiexec.exe Token: SeCreateGlobalPrivilege 1844 msiexec.exe Token: SeCreateTokenPrivilege 1844 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1844 msiexec.exe Token: SeLockMemoryPrivilege 1844 msiexec.exe Token: SeIncreaseQuotaPrivilege 1844 msiexec.exe Token: SeMachineAccountPrivilege 1844 msiexec.exe Token: SeTcbPrivilege 1844 msiexec.exe Token: SeSecurityPrivilege 1844 msiexec.exe Token: SeTakeOwnershipPrivilege 1844 msiexec.exe Token: SeLoadDriverPrivilege 1844 msiexec.exe Token: SeSystemProfilePrivilege 1844 msiexec.exe Token: SeSystemtimePrivilege 1844 msiexec.exe Token: SeProfSingleProcessPrivilege 1844 msiexec.exe Token: SeIncBasePriorityPrivilege 1844 msiexec.exe Token: SeCreatePagefilePrivilege 1844 msiexec.exe Token: SeCreatePermanentPrivilege 1844 msiexec.exe Token: SeBackupPrivilege 1844 msiexec.exe Token: SeRestorePrivilege 1844 msiexec.exe Token: SeShutdownPrivilege 1844 msiexec.exe Token: SeDebugPrivilege 1844 msiexec.exe Token: SeAuditPrivilege 1844 msiexec.exe Token: SeSystemEnvironmentPrivilege 1844 msiexec.exe Token: SeChangeNotifyPrivilege 1844 msiexec.exe Token: SeRemoteShutdownPrivilege 1844 msiexec.exe Token: SeUndockPrivilege 1844 msiexec.exe Token: SeSyncAgentPrivilege 1844 msiexec.exe Token: SeEnableDelegationPrivilege 1844 msiexec.exe Token: SeManageVolumePrivilege 1844 msiexec.exe Token: SeImpersonatePrivilege 1844 msiexec.exe Token: SeCreateGlobalPrivilege 1844 msiexec.exe Token: SeCreateTokenPrivilege 1844 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1844 msiexec.exe Token: SeLockMemoryPrivilege 1844 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1844 msiexec.exe 1844 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4296 wrote to memory of 4808 4296 msiexec.exe 77 PID 4296 wrote to memory of 4808 4296 msiexec.exe 77 PID 4296 wrote to memory of 4808 4296 msiexec.exe 77 PID 4296 wrote to memory of 3708 4296 msiexec.exe 80 PID 4296 wrote to memory of 3708 4296 msiexec.exe 80 PID 4296 wrote to memory of 1448 4296 msiexec.exe 82 PID 4296 wrote to memory of 1448 4296 msiexec.exe 82 PID 4296 wrote to memory of 1448 4296 msiexec.exe 82 PID 4296 wrote to memory of 412 4296 msiexec.exe 83 PID 4296 wrote to memory of 412 4296 msiexec.exe 83 PID 4296 wrote to memory of 412 4296 msiexec.exe 83 PID 3104 wrote to memory of 4904 3104 rundll32.exe 85 PID 3104 wrote to memory of 4904 3104 rundll32.exe 85 -
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\neo.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1844
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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:4296 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F979C51B9AB472DBDABD693B7601DE05 C2⤵
- Loads dropped DLL
PID:4808
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:3708
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 04B45657092F0BE3AA07BBC41332E8BE2⤵
- Loads dropped DLL
PID:1448
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C:\Windows\Installer\MSI94E1.tmp"C:\Windows\Installer\MSI94E1.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:412
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2044
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_d4e8c604.dll", homq2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4904
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\??\c:\windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_d4e8c604.dll", homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4332
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD507deda7e6973cc68232e34eddee55db3
SHA1d6f6277d2e217418de632bac06d74fc29e728e82
SHA2560213765cf648d19f8531b54d8835c9e3bf10a96bf7c1adda566d46ba9558257b
SHA512fd8d1902bffd41ca816ab1e96ad4e8304c775ade273235a81f0b598397285de83bf483dadcca3510bd8102e7603b3ea67ef6c5b6ac3f7e3d8a71c24a497de557
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
885KB
MD5bd3a3714ee9a071ebeb59ac91d9ebb5a
SHA155110a221f20a4ceec34c58d0179fa31f8c102e9
SHA2564cf2b612939359977df51a32d2f63e2cb0c6c601e114b8e4812bd548d1db85fe
SHA5127244220f29057339c99a22c20268187ba6f6681251f4ce4f305ad22dc030f6078b4f298ef10ad392dc5d036c41c7b8c28c2bd997ea39ef7ab023cb9b5c946dc8
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
26.0MB
MD519681aa54d28ab316af1ac0662424bc5
SHA1697f7bebd071525b8b1f700a2554e6ddf3d2979b
SHA25637ad0a30ae3ab8532edec5d5bd6e73455b1552c4ee3fe51590716c693a7a8381
SHA5128c431a755c56d448732f40884bc0154a1114c0b1584bbaed36c25c4428d968ebcbf521281ceac911d65b753c2f4ae7901097e086efe52bdd10b041ded4dfe32d
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\??\Volume{38fc5f00-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{880de1a7-fadc-4817-b765-64b3cd8b627a}_OnDiskSnapshotProp
Filesize5KB
MD5f6d8976a3729108a318ce80af2b376d5
SHA14d93f75fc6cc62f4ab0f37454863800a2f31fd9c
SHA2568cf8ce6b416cbc9cefdb35b12789659b629da5bb725e0f49239c764e6e463d93
SHA5120cf42dba7adefe20e8dce8845a042aebc0f6805839ad1f0fb861bb9b8f768dd8f878ebab8879af3c95e393582219920e7c5be2f7be8bd38b04ce8f6004be070b