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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 18:19
Static task
static1
Behavioral task
behavioral1
Sample
Document_g55_79a057639-91h49176a6220-1759n0.js
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
Document_g55_79a057639-91h49176a6220-1759n0.js
Resource
win10v2004-20240426-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
Document_g55_79a057639-91h49176a6220-1759n0.js
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Size
533KB
-
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++.
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Detect larodectus Loader variant 2 1 IoCs
resource yara_rule behavioral2/memory/3444-57-0x00000234A0020000-0x00000234A0034000-memory.dmp family_latrodectus_v2 -
Blocklisted process makes network request 4 IoCs
flow pid Process 2 2312 wscript.exe 4 2312 wscript.exe 6 2312 wscript.exe 9 4880 msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 932 MSI3ED4.tmp -
Loads dropped DLL 6 IoCs
pid Process 4728 MsiExec.exe 4728 MsiExec.exe 4728 MsiExec.exe 4728 MsiExec.exe 2640 rundll32.exe 3444 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) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Z: 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) \??\Q: 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) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI396F.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3D97.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3DE7.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3E16.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI3E75.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3ED4.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\MSI3CDB.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 = 0f0000000100000030000000c130bba37b8b350e89fd5ed76b4f78777feee220d3b9e729042bef6af46e8e4c1b252e32b3080c681bc9a8a1afdd0a3c0b000000010000004200000047006c006f00620061006c005300690067006e00200043006f006400650020005300690067006e0069006e006700200052006f006f007400200052003400350000006200000001000000200000007b9d553e1c92cb6e8803e137f4f287d4363757f5d44b37d52f9fca22fb97df8653000000010000001f000000301d301b060567810c010330123010060a2b0601040182373c0101030200c01400000001000000140000001f00bf46800afc7839b7a5b443d95650bbce963b1d00000001000000100000005467b0adde8d858e30ee517b1a19ecd909000000010000000c000000300a06082b060105050703030300000001000000140000004efc31460c619ecae59c1bce2c008036d94c84b8200000000100000076050000308205723082035aa00302010202107653feac75464893f5e5d74a483a4ef8300d06092a864886f70d01010c05003053310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613129302706035504031320476c6f62616c5369676e20436f6465205369676e696e6720526f6f7420523435301e170d3230303331383030303030305a170d3435303331383030303030305a3053310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613129302706035504031320476c6f62616c5369676e20436f6465205369676e696e6720526f6f742052343530820222300d06092a864886f70d01010105000382020f003082020a0282020100b62dc530dd7ae8ab903d0372b03a4b991661b2e5ffa5671d371ce57eec9383aa84f5a3439b98458ab863575d9b00880425e9f868924b82d84bc94a03f3a87f6a8f8a6127bda144d0fdf53f22c2a34f918db305b22882915dfb5988050b9706c298f82ca73324ee503a41ccf0a0b07b1d4dd2a8583896e9dff91b91bb8b102cd2c7431da20974a180af7be6330a0c596b8ebcf4ab5a977b7fae55fb84f080fe844cd7e2babdc475a16fbd61107444b29807e274abff68dc6c263ee91fe5e00487ad30d30c8d037c55b816705c24782025eb676788abba4e34986b7011de38cad4bea1c09ce1df1e0201d83be1674384b6cffc74b72f84a3bfba09373d676cb1455c1961ab4183f5ac1deb770d464773cebfbd9595ed9d2b8810fefa58e8a757e1b3cfa85ae907259b12c49e80723d93dc8c94df3b44e62680fcd2c303f08c0cd245d62ee78f989ee604ee426e677e42167162e704f960c664a1b69c81214e2bc66d689486c699747367317a91f2d48c796e7ca6bb7e466f4dc585122bcf9a224408a88537ce07615706171224c0c43173a1983557477e103a45d92da4519098a9a00737c4651aaa1c6b1677f7a797ec3f1930996f31fbea40b2e7d2c4fac9d0f050767459fa8d6d1732bef8e97e03f4e787759ad44a912c850313022b4280f2896a36cfc84ca0ce9ef8cb8dad16a7d3ded59b18a7c6923af18263f12e0e2464df0203010001a3423040300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e041604141f00bf46800afc7839b7a5b443d95650bbce963b300d06092a864886f70d01010c050003820201005e2bba749734445f764828408493ee016ee9a1b3d68025e67be4bc09913d0ffc76add7d43020bb8f60d091d61cf29cef781a2b943202c12496525202d0f3d1fcf29b396e99e11f8e43417d9a1e5bc95d9a84fc26e687f3747226ada41bd93d3b6a52a03c091e2f1e7bb333b445c7f7acb1af9360ad76aeb8b21578eb836aebffdb46ab24e5ee02fa901f59c02f5dd6b75da45c10b77253f8414eccfa781a254acafe85624361c3b437aa81d2f4d63a0fbd8d597e3047de2b6be72150335fd4679bd4b8679f3c279903ff85438e7312ca20cde861d5b166dc17d6396d0fdbcf2337a182894e1c6b3fd6a0cdaa079d3e4226aad70ceefa47bf1a527ed17581d3c98a62176d4f88a021a0263eaf6dd962301fe99828ae6e8dd58e4c726693808d2ae355c760679042565c22510fb3dc4e39ee4dddd91d7810543b6ed0976f03b51eb22373c612b29a64d0fc958524a8ffdfa1b0dc9140aedf0933abb9dd92b7f1cc91743b69eb67971b90bfe7c7a06f71bb57bfb78f5aed7a406a16cd80842d2fe102d4249443b315fc0c2b1bfd716ffccbbc75173a5e83d2c9b32f1bd59c8d7f54fe7e7ee456a387a79de1595294418f6d5bbe86959aff1a76dd40d2514a70b41f336323773fec271e59e40887ed34824a0f3ffea01dc1f56773458678f4aa29e92787c619dbc61314c33949874da097e06513f59d7756e9dab358c73af2c0cd82 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 4880 msiexec.exe 4880 msiexec.exe 932 MSI3ED4.tmp 932 MSI3ED4.tmp 2640 rundll32.exe 2640 rundll32.exe 2640 rundll32.exe 2640 rundll32.exe 3444 rundll32.exe 3444 rundll32.exe 3444 rundll32.exe 3444 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 2312 wscript.exe Token: SeIncreaseQuotaPrivilege 2312 wscript.exe Token: SeSecurityPrivilege 4880 msiexec.exe Token: SeCreateTokenPrivilege 2312 wscript.exe Token: SeAssignPrimaryTokenPrivilege 2312 wscript.exe Token: SeLockMemoryPrivilege 2312 wscript.exe Token: SeIncreaseQuotaPrivilege 2312 wscript.exe Token: SeMachineAccountPrivilege 2312 wscript.exe Token: SeTcbPrivilege 2312 wscript.exe Token: SeSecurityPrivilege 2312 wscript.exe Token: SeTakeOwnershipPrivilege 2312 wscript.exe Token: SeLoadDriverPrivilege 2312 wscript.exe Token: SeSystemProfilePrivilege 2312 wscript.exe Token: SeSystemtimePrivilege 2312 wscript.exe Token: SeProfSingleProcessPrivilege 2312 wscript.exe Token: SeIncBasePriorityPrivilege 2312 wscript.exe Token: SeCreatePagefilePrivilege 2312 wscript.exe Token: SeCreatePermanentPrivilege 2312 wscript.exe Token: SeBackupPrivilege 2312 wscript.exe Token: SeRestorePrivilege 2312 wscript.exe Token: SeShutdownPrivilege 2312 wscript.exe Token: SeDebugPrivilege 2312 wscript.exe Token: SeAuditPrivilege 2312 wscript.exe Token: SeSystemEnvironmentPrivilege 2312 wscript.exe Token: SeChangeNotifyPrivilege 2312 wscript.exe Token: SeRemoteShutdownPrivilege 2312 wscript.exe Token: SeUndockPrivilege 2312 wscript.exe Token: SeSyncAgentPrivilege 2312 wscript.exe Token: SeEnableDelegationPrivilege 2312 wscript.exe Token: SeManageVolumePrivilege 2312 wscript.exe Token: SeImpersonatePrivilege 2312 wscript.exe Token: SeCreateGlobalPrivilege 2312 wscript.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe Token: SeRestorePrivilege 4880 msiexec.exe Token: SeTakeOwnershipPrivilege 4880 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4880 wrote to memory of 4728 4880 msiexec.exe 86 PID 4880 wrote to memory of 4728 4880 msiexec.exe 86 PID 4880 wrote to memory of 4728 4880 msiexec.exe 86 PID 4880 wrote to memory of 932 4880 msiexec.exe 87 PID 4880 wrote to memory of 932 4880 msiexec.exe 87 PID 4880 wrote to memory of 932 4880 msiexec.exe 87 PID 2640 wrote to memory of 3444 2640 rundll32.exe 89 PID 2640 wrote to memory of 3444 2640 rundll32.exe 89 -
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\Document_g55_79a057639-91h49176a6220-1759n0.js1⤵
- Blocklisted process makes network request
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:2312
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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:4880 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 4097BA875D242428B3136422C014525A2⤵
- Loads dropped DLL
PID:4728
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C:\Windows\Installer\MSI3ED4.tmp"C:\Windows\Installer\MSI3ED4.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\glosar\beta.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:932
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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:2640 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_c34cd7.dll", homq2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3444
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD504cf254e38d376457356d012ad61e574
SHA1d04e74f5cebf3f01078b197fd4d421e9c89ed2ba
SHA256fc190fa0041e7a7623d1cd8fd7167d553094f65903580e1e2890a73e009e0f1e
SHA51224f30e6edecf723f8df7d85a1e2e165243a314a4081eeec60ff59c73b50dfb30819f9718433179441d73b68999789a9416b7b8b15bfd07f0dc053e98c6767e58
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Filesize
364KB
MD5a1c84c14a82f2cbb7e9a5f253d721159
SHA13aa5e70111c290c45daac06984281dfb5439115b
SHA25653e65d071870f127bc6bf6c8e8ddfd131558153513976744ee7460eeb766d081
SHA512f76691853fa45d93246dfd8569af5ec7e66fdd7536241b92ee10bb9202b0502e66dfd030fe539956fb28fe20e71b33cae524038c356facf555d4a130c64665ed
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Filesize
1.3MB
MD5f83ed040b4e52088817df73ef51fe0d3
SHA13d011c54ae9a66ef2a865afd694712b338feed5d
SHA256a9fa025fe912c8ad5e6566c675e045732c4d89f4187bfd94c4e916dd9fe25417
SHA512c4fe6171f4590a3f588bba5818d05ed525619fc3333f911ea785bebea11788f144b71974254f6dbf270a2b89f9c21698d882d378274cf63005223fe5618d15f0
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04