Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 02:10
Static task
static1
Behavioral task
behavioral1
Sample
29549b75a198ad3aee4f8b9ea328bc9a73eb0e0d07e36775438bbe7268d453f9.msi
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
29549b75a198ad3aee4f8b9ea328bc9a73eb0e0d07e36775438bbe7268d453f9.msi
Resource
win10v2004-20241007-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
29549b75a198ad3aee4f8b9ea328bc9a73eb0e0d07e36775438bbe7268d453f9.msi
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Size
1.6MB
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MD5
9775cb36162fab5d8dbe372cd5910ba7
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SHA1
a06d73422ecb931b6b6ae9f2af5f08f50b3d52dc
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SHA256
29549b75a198ad3aee4f8b9ea328bc9a73eb0e0d07e36775438bbe7268d453f9
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SHA512
42cc3d3746fc416097b7de340cf1782febe957ee45e17b5c368f6509bb5112cfdd808d223283ef424b5ee1aab0dddc78562a778f196f7962c3f27839f4f60564
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SSDEEP
49152:gfj3YhW8zBQSc0ZnSKSZKumZr7AlFBBdtM:cYY0ZnQK/AlprM
Malware Config
Signatures
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Brute Ratel C4
A customized command and control framework for red teaming and adversary simulation.
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Bruteratel family
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Detect BruteRatel badger 3 IoCs
resource yara_rule behavioral2/memory/2696-45-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel behavioral2/memory/2696-46-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel behavioral2/memory/2696-62-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel -
Blocklisted process makes network request 11 IoCs
flow pid Process 38 2696 rundll32.exe 51 2696 rundll32.exe 52 2696 rundll32.exe 53 2696 rundll32.exe 55 2696 rundll32.exe 63 2696 rundll32.exe 64 2696 rundll32.exe 65 2696 rundll32.exe 66 2696 rundll32.exe 84 2696 rundll32.exe 85 2696 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) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: 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) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: 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) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: 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\MSI11AE.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI149F.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\SourceHash{61449C75-AB36-4299-A465-A142FC439D7F} msiexec.exe File opened for modification C:\Windows\Installer\MSI15D9.tmp msiexec.exe File created C:\Windows\Installer\e581141.msi msiexec.exe File opened for modification C:\Windows\Installer\e581141.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI1336.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI13D3.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI1712.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 4496 MSI1712.tmp -
Loads dropped DLL 6 IoCs
pid Process 1284 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 3228 rundll32.exe 2696 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 2920 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 MSI1712.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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 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 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2164 msiexec.exe 2164 msiexec.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe 2696 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeShutdownPrivilege 2920 msiexec.exe Token: SeIncreaseQuotaPrivilege 2920 msiexec.exe Token: SeSecurityPrivilege 2164 msiexec.exe Token: SeCreateTokenPrivilege 2920 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2920 msiexec.exe Token: SeLockMemoryPrivilege 2920 msiexec.exe Token: SeIncreaseQuotaPrivilege 2920 msiexec.exe Token: SeMachineAccountPrivilege 2920 msiexec.exe Token: SeTcbPrivilege 2920 msiexec.exe Token: SeSecurityPrivilege 2920 msiexec.exe Token: SeTakeOwnershipPrivilege 2920 msiexec.exe Token: SeLoadDriverPrivilege 2920 msiexec.exe Token: SeSystemProfilePrivilege 2920 msiexec.exe Token: SeSystemtimePrivilege 2920 msiexec.exe Token: SeProfSingleProcessPrivilege 2920 msiexec.exe Token: SeIncBasePriorityPrivilege 2920 msiexec.exe Token: SeCreatePagefilePrivilege 2920 msiexec.exe Token: SeCreatePermanentPrivilege 2920 msiexec.exe Token: SeBackupPrivilege 2920 msiexec.exe Token: SeRestorePrivilege 2920 msiexec.exe Token: SeShutdownPrivilege 2920 msiexec.exe Token: SeDebugPrivilege 2920 msiexec.exe Token: SeAuditPrivilege 2920 msiexec.exe Token: SeSystemEnvironmentPrivilege 2920 msiexec.exe Token: SeChangeNotifyPrivilege 2920 msiexec.exe Token: SeRemoteShutdownPrivilege 2920 msiexec.exe Token: SeUndockPrivilege 2920 msiexec.exe Token: SeSyncAgentPrivilege 2920 msiexec.exe Token: SeEnableDelegationPrivilege 2920 msiexec.exe Token: SeManageVolumePrivilege 2920 msiexec.exe Token: SeImpersonatePrivilege 2920 msiexec.exe Token: SeCreateGlobalPrivilege 2920 msiexec.exe Token: SeBackupPrivilege 2076 vssvc.exe Token: SeRestorePrivilege 2076 vssvc.exe Token: SeAuditPrivilege 2076 vssvc.exe Token: SeBackupPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeRestorePrivilege 2164 msiexec.exe Token: SeTakeOwnershipPrivilege 2164 msiexec.exe Token: SeBackupPrivilege 1632 srtasks.exe Token: SeRestorePrivilege 1632 srtasks.exe Token: SeSecurityPrivilege 1632 srtasks.exe Token: SeTakeOwnershipPrivilege 1632 srtasks.exe Token: SeBackupPrivilege 1632 srtasks.exe Token: SeRestorePrivilege 1632 srtasks.exe Token: SeSecurityPrivilege 1632 srtasks.exe Token: SeTakeOwnershipPrivilege 1632 srtasks.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2920 msiexec.exe 2920 msiexec.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2164 wrote to memory of 1632 2164 msiexec.exe 103 PID 2164 wrote to memory of 1632 2164 msiexec.exe 103 PID 2164 wrote to memory of 1284 2164 msiexec.exe 105 PID 2164 wrote to memory of 1284 2164 msiexec.exe 105 PID 2164 wrote to memory of 1284 2164 msiexec.exe 105 PID 2164 wrote to memory of 4496 2164 msiexec.exe 106 PID 2164 wrote to memory of 4496 2164 msiexec.exe 106 PID 2164 wrote to memory of 4496 2164 msiexec.exe 106 PID 3228 wrote to memory of 2696 3228 rundll32.exe 108 PID 3228 wrote to memory of 2696 3228 rundll32.exe 108 -
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\29549b75a198ad3aee4f8b9ea328bc9a73eb0e0d07e36775438bbe7268d453f9.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2920
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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:2164 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding DD63C7B4C4B73FBFE9E322ADE0094B6B2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1284
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C:\Windows\Installer\MSI1712.tmp"C:\Windows\Installer\MSI1712.tmp" /DontWait C:/Windows/SysWOW64/rundll32.exe C:\Users\Admin\AppData\Roaming\vierm_soft_x64.dll, GetDeepDVCState2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4496
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\vierm_soft_x64.dll, GetDeepDVCState1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\system32\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\vierm_soft_x64.dll, GetDeepDVCState2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD54f234b67a52cb1b86779939f27894448
SHA1e96ec9eb3dd1cd8af61f5f2ec5bdc81e7e8f71a0
SHA2563dace61e2f33ce9d59851ed474f99d5de307764d941353ab4190f62bb52fc5c2
SHA512820ec3f7479e47d209d087e775d12f18bdd46e742e201c3d0c1add15628665de0125b3ff0ce19001b4f7765107fa5c297e71ec8178609a924828a15a3c2178d5
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Filesize
666KB
MD5877c8b214d984656143d7576f832d935
SHA126bedae9e05afbff75ede2efc7777a376e362b6a
SHA25628f5e949ecad3606c430cea5a34d0f3e7218f239bcfa758a834dceb649e78abc
SHA512f07ac6795f4d8de38ac7f92a5ae308d2bdc30e29cebdf93b7fdee958c04bb83b1a28c4e6ac4e6a770b6d207af2a886cc93028b26e8850327f55391118f2d621a
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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
24.1MB
MD5255d2ef27dc9d1e11dad76458babe078
SHA170b16eb762241cc4a111f55f04c3581657826f54
SHA256f8a66e6d79e47e12e6a4459a9bc1fc4cc1f856d561f4182cd08369f1d75c838f
SHA512c829b99c08ee30ef7143fec6f0dae9ddffb421c003e61cf52d44e8364bdf51a1198a89b5d9661d5c464244d1e3f9d29f2f645c0dee7622d502b2a283da609ab5
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\??\Volume{ff55cfe6-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{62186c5c-1c6e-4bf7-9bee-d24b0b32de74}_OnDiskSnapshotProp
Filesize6KB
MD5da30d25c621bb86ab4dbefcd462959a1
SHA1de7cd3748f4a47c8c501bcf6c54eb3055dbe4de2
SHA2569a8e11738b298483e6ae00305f805ccb74f64dc118be0fa7aacf3375418a4dcc
SHA512ba1b425a5beafc90fd29af78dec444b75ff16c29a8bbcf2312b2e41da2714fd08814ee5e64158c21d347660f7db7e612ed87e96d3e14293ac3522639a57b649f