Analysis
-
max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2024 01:50
Static task
static1
Behavioral task
behavioral1
Sample
bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e.js
Resource
win7-20240220-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e.js
Resource
win10v2004-20240226-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e.js
-
Size
533KB
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MD5
9b86cd448940a50ab43472676dacb5c0
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SHA1
1798cb554fb40bfe6dce86759987e1a3b489f73a
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SHA256
bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e
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SHA512
c3861177009fb9d20fe9b95d6e779ac3ede9a599b8a82a1e0df45d2525e22ee1d80111807223a3572b701dd4caa9d680e9dae9419fa7925fcd85bc59ba9e0ddf
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SSDEEP
6144:VTgoYSJ9u2EKHnzirPK86zjXKnjXMjHtIfC3YsS61l3wioIfOEu6TcX3soAEiO8u:xgUJsriGrK8ODNp33ZdBfG3mEsmd
Score
10/10
Malware Config
Extracted
Family
latrodectus
C2
https://jarinamaers.shop/live/
https://startmast.shop/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
-
Detect larodectus Loader variant 2 1 IoCs
resource yara_rule behavioral2/memory/5108-50-0x0000017AD8BE0000-0x0000017AD8BF4000-memory.dmp family_latrodectus_v2 -
Blocklisted process makes network request 4 IoCs
flow pid Process 2 1600 wscript.exe 4 1600 wscript.exe 6 1600 wscript.exe 12 2124 msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 4548 MSI3A5B.tmp -
Loads dropped DLL 6 IoCs
pid Process 3456 MsiExec.exe 3456 MsiExec.exe 3456 MsiExec.exe 3456 MsiExec.exe 2844 rundll32.exe 5108 rundll32.exe -
Enumerates connected drives 3 TTPs 23 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) \??\K: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: 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) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI3A5B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIFB19.tmp 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\MSI340D.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3556.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI35F4.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI146E.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI37D9.tmp msiexec.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EFC31460C619ECAE59C1BCE2C008036D94C84B8 wscript.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EFC31460C619ECAE59C1BCE2C008036D94C84B8\Blob = 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 wscript.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EFC31460C619ECAE59C1BCE2C008036D94C84B8\Blob = 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 wscript.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2124 msiexec.exe 2124 msiexec.exe 4548 MSI3A5B.tmp 4548 MSI3A5B.tmp 2844 rundll32.exe 2844 rundll32.exe 2844 rundll32.exe 2844 rundll32.exe 5108 rundll32.exe 5108 rundll32.exe 5108 rundll32.exe 5108 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 1600 wscript.exe Token: SeIncreaseQuotaPrivilege 1600 wscript.exe Token: SeSecurityPrivilege 2124 msiexec.exe Token: SeCreateTokenPrivilege 1600 wscript.exe Token: SeAssignPrimaryTokenPrivilege 1600 wscript.exe Token: SeLockMemoryPrivilege 1600 wscript.exe Token: SeIncreaseQuotaPrivilege 1600 wscript.exe Token: SeMachineAccountPrivilege 1600 wscript.exe Token: SeTcbPrivilege 1600 wscript.exe Token: SeSecurityPrivilege 1600 wscript.exe Token: SeTakeOwnershipPrivilege 1600 wscript.exe Token: SeLoadDriverPrivilege 1600 wscript.exe Token: SeSystemProfilePrivilege 1600 wscript.exe Token: SeSystemtimePrivilege 1600 wscript.exe Token: SeProfSingleProcessPrivilege 1600 wscript.exe Token: SeIncBasePriorityPrivilege 1600 wscript.exe Token: SeCreatePagefilePrivilege 1600 wscript.exe Token: SeCreatePermanentPrivilege 1600 wscript.exe Token: SeBackupPrivilege 1600 wscript.exe Token: SeRestorePrivilege 1600 wscript.exe Token: SeShutdownPrivilege 1600 wscript.exe Token: SeDebugPrivilege 1600 wscript.exe Token: SeAuditPrivilege 1600 wscript.exe Token: SeSystemEnvironmentPrivilege 1600 wscript.exe Token: SeChangeNotifyPrivilege 1600 wscript.exe Token: SeRemoteShutdownPrivilege 1600 wscript.exe Token: SeUndockPrivilege 1600 wscript.exe Token: SeSyncAgentPrivilege 1600 wscript.exe Token: SeEnableDelegationPrivilege 1600 wscript.exe Token: SeManageVolumePrivilege 1600 wscript.exe Token: SeImpersonatePrivilege 1600 wscript.exe Token: SeCreateGlobalPrivilege 1600 wscript.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe Token: SeRestorePrivilege 2124 msiexec.exe Token: SeTakeOwnershipPrivilege 2124 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2124 wrote to memory of 3456 2124 msiexec.exe 94 PID 2124 wrote to memory of 3456 2124 msiexec.exe 94 PID 2124 wrote to memory of 3456 2124 msiexec.exe 94 PID 2124 wrote to memory of 4548 2124 msiexec.exe 95 PID 2124 wrote to memory of 4548 2124 msiexec.exe 95 PID 2124 wrote to memory of 4548 2124 msiexec.exe 95 PID 2844 wrote to memory of 5108 2844 rundll32.exe 99 PID 2844 wrote to memory of 5108 2844 rundll32.exe 99 -
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.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e.js1⤵
- Blocklisted process makes network request
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1600
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding EBE5B9566EE18588B229234C12ACE07E2⤵
- Loads dropped DLL
PID:3456
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C:\Windows\Installer\MSI3A5B.tmp"C:\Windows\Installer\MSI3A5B.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4548
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\glosar\beta.dll, homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", homq2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:5108
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3780 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:1424
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b468b9ab0d40aa5c5c07dec8e1a9e545
SHA1548572dffd2b526f66c0e37caf2b18e7a267bde2
SHA256116f656bba57c2772f55444316a29efc2518e5ea64e49b0739989f5b76e1575f
SHA5120c088ca7588876e8b831f2742cce50a27cb0b143e4ed3f22768931bcb64a584d0d8b13c4f5c51835835a84e90793704d02d8ed776fdc411d14f65100d0bb86e7
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Filesize
364KB
MD5a1c84c14a82f2cbb7e9a5f253d721159
SHA13aa5e70111c290c45daac06984281dfb5439115b
SHA25653e65d071870f127bc6bf6c8e8ddfd131558153513976744ee7460eeb766d081
SHA512f76691853fa45d93246dfd8569af5ec7e66fdd7536241b92ee10bb9202b0502e66dfd030fe539956fb28fe20e71b33cae524038c356facf555d4a130c64665ed
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
1.3MB
MD5f83ed040b4e52088817df73ef51fe0d3
SHA13d011c54ae9a66ef2a865afd694712b338feed5d
SHA256a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417
SHA512c4fe6171f4590a3f588bba5818d05ed525619fc3333f911ea785bebea11788f144b71974254f6dbf270a2b89f9c21698d882d378274cf63005223fe5618d15f0