Analysis
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max time kernel
147s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 01:07
Static task
static1
Behavioral task
behavioral1
Sample
c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf.msi
Resource
win7-20240903-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf.msi
Resource
win10v2004-20241007-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf.msi
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Size
2.0MB
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MD5
309abcad11b67d2498cf87c4e10ff30f
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SHA1
0d805a684b889846a7b00cecc0ee84c7cf93398d
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SHA256
c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf
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SHA512
0f0c0f4a04ae65532a7f4c197ca22c371d904a5b3055e14bd537a3c092d8b4526a597564019395ed0b05d4ffbc6d9b450a8d267de3906f88ac2d320f9c75bdd9
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SSDEEP
49152:ecS3YhW8zBQSc0ZnSKBZKumZr7AQkojSo0kzI8ZVE6VPbe:sYY0Zn3K/AQz3Tbx56
Malware Config
Extracted
Family
latrodectus
C2
https://bestmarsgood.com/test/
https://cerwintifed.com/test/
Signatures
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Detects Latrodectus 3 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/2688-61-0x00007FF47A4C0000-0x00007FF47A4D5000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3520-66-0x00000000022F0000-0x0000000002305000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3520-67-0x00000000022F0000-0x0000000002305000-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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Blocklisted process makes network request 6 IoCs
flow pid Process 28 2688 rundll32.exe 30 2688 rundll32.exe 32 2688 rundll32.exe 36 2688 rundll32.exe 52 2688 rundll32.exe 57 2688 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) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\H: 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) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: 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) \??\H: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Z: 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) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\A: msiexec.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI1162.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{F51335B5-861E-4317-91B1-6EA78A6DECF1} msiexec.exe File opened for modification C:\Windows\Installer\MSI124F.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI1359.tmp msiexec.exe File created C:\Windows\Installer\e580f2e.msi msiexec.exe File opened for modification C:\Windows\Installer\e580f2e.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIF7C.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI10E4.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI1192.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 1288 MSI1359.tmp -
Loads dropped DLL 6 IoCs
pid Process 1588 MsiExec.exe 1588 MsiExec.exe 1588 MsiExec.exe 1588 MsiExec.exe 1412 rundll32.exe 2688 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 2008 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 MSI1359.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2068 msiexec.exe 2068 msiexec.exe 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeShutdownPrivilege 2008 msiexec.exe Token: SeIncreaseQuotaPrivilege 2008 msiexec.exe Token: SeSecurityPrivilege 2068 msiexec.exe Token: SeCreateTokenPrivilege 2008 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2008 msiexec.exe Token: SeLockMemoryPrivilege 2008 msiexec.exe Token: SeIncreaseQuotaPrivilege 2008 msiexec.exe Token: SeMachineAccountPrivilege 2008 msiexec.exe Token: SeTcbPrivilege 2008 msiexec.exe Token: SeSecurityPrivilege 2008 msiexec.exe Token: SeTakeOwnershipPrivilege 2008 msiexec.exe Token: SeLoadDriverPrivilege 2008 msiexec.exe Token: SeSystemProfilePrivilege 2008 msiexec.exe Token: SeSystemtimePrivilege 2008 msiexec.exe Token: SeProfSingleProcessPrivilege 2008 msiexec.exe Token: SeIncBasePriorityPrivilege 2008 msiexec.exe Token: SeCreatePagefilePrivilege 2008 msiexec.exe Token: SeCreatePermanentPrivilege 2008 msiexec.exe Token: SeBackupPrivilege 2008 msiexec.exe Token: SeRestorePrivilege 2008 msiexec.exe Token: SeShutdownPrivilege 2008 msiexec.exe Token: SeDebugPrivilege 2008 msiexec.exe Token: SeAuditPrivilege 2008 msiexec.exe Token: SeSystemEnvironmentPrivilege 2008 msiexec.exe Token: SeChangeNotifyPrivilege 2008 msiexec.exe Token: SeRemoteShutdownPrivilege 2008 msiexec.exe Token: SeUndockPrivilege 2008 msiexec.exe Token: SeSyncAgentPrivilege 2008 msiexec.exe Token: SeEnableDelegationPrivilege 2008 msiexec.exe Token: SeManageVolumePrivilege 2008 msiexec.exe Token: SeImpersonatePrivilege 2008 msiexec.exe Token: SeCreateGlobalPrivilege 2008 msiexec.exe Token: SeBackupPrivilege 1480 vssvc.exe Token: SeRestorePrivilege 1480 vssvc.exe Token: SeAuditPrivilege 1480 vssvc.exe Token: SeBackupPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeRestorePrivilege 2068 msiexec.exe Token: SeTakeOwnershipPrivilege 2068 msiexec.exe Token: SeBackupPrivilege 3148 srtasks.exe Token: SeRestorePrivilege 3148 srtasks.exe Token: SeSecurityPrivilege 3148 srtasks.exe Token: SeTakeOwnershipPrivilege 3148 srtasks.exe Token: SeBackupPrivilege 3148 srtasks.exe Token: SeRestorePrivilege 3148 srtasks.exe Token: SeSecurityPrivilege 3148 srtasks.exe Token: SeTakeOwnershipPrivilege 3148 srtasks.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2008 msiexec.exe 2008 msiexec.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2068 wrote to memory of 3148 2068 msiexec.exe 102 PID 2068 wrote to memory of 3148 2068 msiexec.exe 102 PID 2068 wrote to memory of 1588 2068 msiexec.exe 104 PID 2068 wrote to memory of 1588 2068 msiexec.exe 104 PID 2068 wrote to memory of 1588 2068 msiexec.exe 104 PID 2068 wrote to memory of 1288 2068 msiexec.exe 105 PID 2068 wrote to memory of 1288 2068 msiexec.exe 105 PID 2068 wrote to memory of 1288 2068 msiexec.exe 105 PID 1412 wrote to memory of 2688 1412 rundll32.exe 107 PID 1412 wrote to memory of 2688 1412 rundll32.exe 107 PID 2688 wrote to memory of 3520 2688 rundll32.exe 56 -
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\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3520
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf.msi2⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2008
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Windows\system32\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2688
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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:2068 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding A025941A42A46760AFA7478B9775ECF82⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1588
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C:\Windows\Installer\MSI1359.tmp"C:\Windows\Installer\MSI1359.tmp" /DontWait C:/Windows/SysWOW64/rundll32.exe C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1288
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:1480
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD568850b1319516f99da7e7cd935d9efbe
SHA15e59af9d7d5af6534a54ee23f9984d91be271a3c
SHA256e7d8468929e7c93f0cfee769ddd2b58680c6d2809f8e5e3c265a27911ea4af71
SHA512da169a2ba1fa8ed7a90f296389e086af4b16d5585c6281783381e57b417fd219d42295f3fc7d443434ccf5137ef9465497ccd1cbace0024f37c39aa7c1315d4a
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Filesize
1.3MB
MD5dd862590d9e4ea1791df147912ae4c8f
SHA1852d7a9ea4db5ff4cd51a92447a8d5701cfb322b
SHA25614ffcbbfb305287ea15264df3363567f36a26917ae2018af0f40e2009b8a7184
SHA5123e9222d8bd91d3e53f5e378318a78a7c5aa12011272031f7c0d8c36c5b255db1d0a168cc02e1159eb021dd18206352dd6dcb857fefc2222937c467350dc6d568
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
24.1MB
MD5417a3a41f6679af07d8ec51c168e701b
SHA10d39ad1d7c5507d121b14a664155730431dc8298
SHA2564944964449c955b03c4566ec36af7de37e238f2ffe0f7460e9f24dbaf49ce315
SHA51249fa095ee9f376e0a55a8d4bd545533f80bfd707be292004d82ae865591d280262db7463c36fee23c3acab12f69edce8013fa45bf27e28a4ba71373f5d4ac58e
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\??\Volume{0576a638-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{8074ad89-5c5d-4898-883e-eebbaaea2347}_OnDiskSnapshotProp
Filesize6KB
MD5e9243c70562b9e2cb7f4c6861c74624b
SHA19cf157e164de1041973652c9c0ca9feaa0da1074
SHA25605a144a2804416585b36c0cb8ae94e25cb2ea9096ad3a66e64c261b6b51f638d
SHA51240e321cf7bdd8ade590af7d526ffc6829a53d6e7347aa8a4ba7a159c623534aa4faaae77d779b3b059bdbd9538963cdc3e8b06831713f61d3ad0d5b142b132fc