Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
submitted
03/10/2024, 18:43
Static task
static1
Behavioral task
behavioral1
Sample
das.msi
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
das.msi
Resource
win10v2004-20240802-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
das.msi
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Size
1.6MB
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MD5
3cb6b99b20930ac0dbadc10899dc511e
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SHA1
570c4ab78cf4bb22b78aac215a4a79189d4fa9ed
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SHA256
ea1792f689bfe5ad3597c7f877b66f9fcf80d732e5233293d52d374d50cab991
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SHA512
aedf58ea01d59cce191cb9c0f83dbdbf7e3e8f049c764b577d6a957cb5229c50dda7ec6760ca43ad4dbdb085ae02b07bc818f69ca08373243019af6683e4931c
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SSDEEP
49152:5Sj3YhW8zBQSc0ZnSKSZKumZr7A+zafUWM1q:oYY0ZnQK/A7fQ
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/4792-45-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel behavioral2/memory/4792-46-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel behavioral2/memory/4792-62-0x0000000273F40000-0x0000000273F8A000-memory.dmp family_bruteratel -
Blocklisted process makes network request 64 IoCs
flow pid Process 30 4792 rundll32.exe 31 4792 rundll32.exe 32 4792 rundll32.exe 40 4792 rundll32.exe 42 4792 rundll32.exe 44 4792 rundll32.exe 48 4792 rundll32.exe 49 4792 rundll32.exe 50 4792 rundll32.exe 51 4792 rundll32.exe 56 4792 rundll32.exe 58 4792 rundll32.exe 59 4792 rundll32.exe 67 4792 rundll32.exe 68 4792 rundll32.exe 69 4792 rundll32.exe 71 4792 rundll32.exe 72 4792 rundll32.exe 73 4792 rundll32.exe 74 4792 rundll32.exe 75 4792 rundll32.exe 76 4792 rundll32.exe 77 4792 rundll32.exe 78 4792 rundll32.exe 79 4792 rundll32.exe 80 4792 rundll32.exe 81 4792 rundll32.exe 82 4792 rundll32.exe 83 4792 rundll32.exe 85 4792 rundll32.exe 86 4792 rundll32.exe 87 4792 rundll32.exe 88 4792 rundll32.exe 89 4792 rundll32.exe 90 4792 rundll32.exe 91 4792 rundll32.exe 92 4792 rundll32.exe 93 4792 rundll32.exe 94 4792 rundll32.exe 95 4792 rundll32.exe 96 4792 rundll32.exe 97 4792 rundll32.exe 98 4792 rundll32.exe 101 4792 rundll32.exe 102 4792 rundll32.exe 103 4792 rundll32.exe 104 4792 rundll32.exe 105 4792 rundll32.exe 106 4792 rundll32.exe 107 4792 rundll32.exe 108 4792 rundll32.exe 109 4792 rundll32.exe 110 4792 rundll32.exe 111 4792 rundll32.exe 112 4792 rundll32.exe 113 4792 rundll32.exe 115 4792 rundll32.exe 116 4792 rundll32.exe 117 4792 rundll32.exe 118 4792 rundll32.exe 119 4792 rundll32.exe 120 4792 rundll32.exe 121 4792 rundll32.exe 122 4792 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) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI9C90.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\MSI9CFF.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9D4E.tmp msiexec.exe File created C:\Windows\Installer\e579b55.msi msiexec.exe File opened for modification C:\Windows\Installer\e579b55.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI9C60.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9CA1.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{68C54E68-8D6C-454F-B2BE-2596868E8867} 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\MSI9B94.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 1280 MSI9D4E.tmp -
Loads dropped DLL 6 IoCs
pid Process 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 8 rundll32.exe 4792 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 3028 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 MSI9D4E.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 64 IoCs
pid Process 4520 msiexec.exe 4520 msiexec.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe 4792 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeShutdownPrivilege 3028 msiexec.exe Token: SeIncreaseQuotaPrivilege 3028 msiexec.exe Token: SeSecurityPrivilege 4520 msiexec.exe Token: SeCreateTokenPrivilege 3028 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3028 msiexec.exe Token: SeLockMemoryPrivilege 3028 msiexec.exe Token: SeIncreaseQuotaPrivilege 3028 msiexec.exe Token: SeMachineAccountPrivilege 3028 msiexec.exe Token: SeTcbPrivilege 3028 msiexec.exe Token: SeSecurityPrivilege 3028 msiexec.exe Token: SeTakeOwnershipPrivilege 3028 msiexec.exe Token: SeLoadDriverPrivilege 3028 msiexec.exe Token: SeSystemProfilePrivilege 3028 msiexec.exe Token: SeSystemtimePrivilege 3028 msiexec.exe Token: SeProfSingleProcessPrivilege 3028 msiexec.exe Token: SeIncBasePriorityPrivilege 3028 msiexec.exe Token: SeCreatePagefilePrivilege 3028 msiexec.exe Token: SeCreatePermanentPrivilege 3028 msiexec.exe Token: SeBackupPrivilege 3028 msiexec.exe Token: SeRestorePrivilege 3028 msiexec.exe Token: SeShutdownPrivilege 3028 msiexec.exe Token: SeDebugPrivilege 3028 msiexec.exe Token: SeAuditPrivilege 3028 msiexec.exe Token: SeSystemEnvironmentPrivilege 3028 msiexec.exe Token: SeChangeNotifyPrivilege 3028 msiexec.exe Token: SeRemoteShutdownPrivilege 3028 msiexec.exe Token: SeUndockPrivilege 3028 msiexec.exe Token: SeSyncAgentPrivilege 3028 msiexec.exe Token: SeEnableDelegationPrivilege 3028 msiexec.exe Token: SeManageVolumePrivilege 3028 msiexec.exe Token: SeImpersonatePrivilege 3028 msiexec.exe Token: SeCreateGlobalPrivilege 3028 msiexec.exe Token: SeBackupPrivilege 4944 vssvc.exe Token: SeRestorePrivilege 4944 vssvc.exe Token: SeAuditPrivilege 4944 vssvc.exe Token: SeBackupPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeRestorePrivilege 4520 msiexec.exe Token: SeTakeOwnershipPrivilege 4520 msiexec.exe Token: SeBackupPrivilege 412 srtasks.exe Token: SeRestorePrivilege 412 srtasks.exe Token: SeSecurityPrivilege 412 srtasks.exe Token: SeTakeOwnershipPrivilege 412 srtasks.exe Token: SeBackupPrivilege 412 srtasks.exe Token: SeRestorePrivilege 412 srtasks.exe Token: SeSecurityPrivilege 412 srtasks.exe Token: SeTakeOwnershipPrivilege 412 srtasks.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3028 msiexec.exe 3028 msiexec.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4520 wrote to memory of 412 4520 msiexec.exe 91 PID 4520 wrote to memory of 412 4520 msiexec.exe 91 PID 4520 wrote to memory of 3172 4520 msiexec.exe 93 PID 4520 wrote to memory of 3172 4520 msiexec.exe 93 PID 4520 wrote to memory of 3172 4520 msiexec.exe 93 PID 4520 wrote to memory of 1280 4520 msiexec.exe 94 PID 4520 wrote to memory of 1280 4520 msiexec.exe 94 PID 4520 wrote to memory of 1280 4520 msiexec.exe 94 PID 8 wrote to memory of 4792 8 rundll32.exe 96 PID 8 wrote to memory of 4792 8 rundll32.exe 96 -
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\das.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3028
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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:4520 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:412
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding D7F6D4038CAAB1D08FF92443521B8BE72⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3172
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C:\Windows\Installer\MSI9D4E.tmp"C:\Windows\Installer\MSI9D4E.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:1280
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4944
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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:8 -
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:4792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5a142f218e820526debd196e6e58a2f7d
SHA1f592f997237849a197fb4cb66e41b438bfbf98f5
SHA256d51de4f6afc7c32e6fd14aed7567ee1d575d5d27e988a5b69a19853d9587e445
SHA5124301084688e3c8c988f8166cda4ecb98639d15005644abfd3f5c5527f742538562fe5a30d31d724c6291cd23154fbe26ff13c047006149e8407b890a2faf94a6
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Filesize
749KB
MD5b1ca25f5bb4edd293b3711c77eb99a6f
SHA1178bba8686ea329b884a652fe0f8a0ae0c53d367
SHA25697a6331239d451d7dfe15bfe17de8b419df741ae68bacd440808f8b8d3f99b8a
SHA512d5a282a8f81e117b79616c44a260d89c7fee06f4ac1387675bc79c3bd7599a5d49fbe3d8fb3d4d42eea81a17564abc2d42288bc2dc468d1b16ed633ba421b32d
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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
23.7MB
MD55d6156017795bc867366055d11a4b13a
SHA176ecef70adf15a7cd430e5c148008fcdcb19d63a
SHA25675b9fa5acad0f74baf9a5067a26def5b09e4dd7f68cced7b8e0763a9030be6a7
SHA5129d4f33e14f0978965f2718255d15a8955d7e2b0410fb133f5e230b7246b6e9d4dcbd39091368190df98d76c8bce3f5670c5b30057ebca1df01075fd7089fb421
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\??\Volume{848480a2-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{72cc2cd4-dbc2-4333-a772-f0332d062e81}_OnDiskSnapshotProp
Filesize6KB
MD5fa48604c5ccd0695d9932f00199a984e
SHA183fa26a79f7c847415e22f4ca3427cfbcee5803b
SHA256035042974aa6f9acaf12974a132232c1b458ab5a7eb88bb7e3907e6a2d291cef
SHA51298bfbdf2d94b9cd65d26b2135b0ff3b117bc04906164a176661ec4da4ae35edd7110f7809923821807aaecb35478ceac536a8f3a1ecffd765096872456ae953e