Analysis
- max time kernel
93s - max time network
116s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
04/08/2024, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
WaveInstaller.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
WaveInstaller.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
opengl32.dll
Resource
win10v2004-20240802-en
General
- Target WaveInstaller.exe
- Size 55.9MB
- Sample240804-sd558ssdlh
- SHA256 a0fe8a8ecab5d9d7df5a364a95352e1d861c8ca851c4339b65aa4841b3619617
- MD5 521646f158f26a3790605f3c3ff47a5e
- SHA1 a0fc21bf69705c2d8934e71841d5e803048b23b9
- SHA512 c47839fe320cec955ea5abd331a47ec5bb39ed02e61c72b295272f01be57fdb0a361f124e2fe1b0f4f7326ed71542e5a42ada87b635a70e89ac2523ab50cb856
- SSDEEP 393216:hxIdZflFnaY4nRSn3pPPa7uksiL2YS2xg5gC33QSau/puRDHbUXyZ8s:gdZflFnaTEKuu25e4daEgpbUXyms
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2156 created 2912 2156 BitLockerToGo.exe 50 - Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2000 powershell.exe 2660 powershell.exe 2000 powershell.exe 2660 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 2232 driver1.exe - Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum WaveInstaller.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 WaveInstaller.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 1200 tasklist.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2232 set thread context of 2156 2232 driver1.exe 94 - Program crash 2 IoCs
pid pid_target Process procid_target 4640 2156 WerFault.exe 94 4296 2156 WerFault.exe 94 - System Location Discovery: System Language Discovery 1 TTPs 2 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 BitLockerToGo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language openwith.exe - Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 3248 wmic.exe - GoLang User-Agent 3 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 19 Go-http-client/1.1 HTTP User-Agent header 20 Go-http-client/1.1 HTTP User-Agent header 18 Go-http-client/1.1 - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1600 schtasks.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2000 powershell.exe 2000 powershell.exe 2660 powershell.exe 2660 powershell.exe 2156 BitLockerToGo.exe 2156 BitLockerToGo.exe 4764 openwith.exe 4764 openwith.exe 4764 openwith.exe 4764 openwith.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3036 WaveInstaller.exe Token: SeIncreaseQuotaPrivilege 3248 wmic.exe Token: SeSecurityPrivilege 3248 wmic.exe Token: SeTakeOwnershipPrivilege 3248 wmic.exe Token: SeLoadDriverPrivilege 3248 wmic.exe Token: SeSystemProfilePrivilege 3248 wmic.exe Token: SeSystemtimePrivilege 3248 wmic.exe Token: SeProfSingleProcessPrivilege 3248 wmic.exe Token: SeIncBasePriorityPrivilege 3248 wmic.exe Token: SeCreatePagefilePrivilege 3248 wmic.exe Token: SeBackupPrivilege 3248 wmic.exe Token: SeRestorePrivilege 3248 wmic.exe Token: SeShutdownPrivilege 3248 wmic.exe Token: SeDebugPrivilege 3248 wmic.exe Token: SeSystemEnvironmentPrivilege 3248 wmic.exe Token: SeRemoteShutdownPrivilege 3248 wmic.exe Token: SeUndockPrivilege 3248 wmic.exe Token: SeManageVolumePrivilege 3248 wmic.exe Token: 33 3248 wmic.exe Token: 34 3248 wmic.exe Token: 35 3248 wmic.exe Token: 36 3248 wmic.exe Token: SeIncreaseQuotaPrivilege 3248 wmic.exe Token: SeSecurityPrivilege 3248 wmic.exe Token: SeTakeOwnershipPrivilege 3248 wmic.exe Token: SeLoadDriverPrivilege 3248 wmic.exe Token: SeSystemProfilePrivilege 3248 wmic.exe Token: SeSystemtimePrivilege 3248 wmic.exe Token: SeProfSingleProcessPrivilege 3248 wmic.exe Token: SeIncBasePriorityPrivilege 3248 wmic.exe Token: SeCreatePagefilePrivilege 3248 wmic.exe Token: SeBackupPrivilege 3248 wmic.exe Token: SeRestorePrivilege 3248 wmic.exe Token: SeShutdownPrivilege 3248 wmic.exe Token: SeDebugPrivilege 3248 wmic.exe Token: SeSystemEnvironmentPrivilege 3248 wmic.exe Token: SeRemoteShutdownPrivilege 3248 wmic.exe Token: SeUndockPrivilege 3248 wmic.exe Token: SeManageVolumePrivilege 3248 wmic.exe Token: 33 3248 wmic.exe Token: 34 3248 wmic.exe Token: 35 3248 wmic.exe Token: 36 3248 wmic.exe Token: SeDebugPrivilege 1200 tasklist.exe Token: SeDebugPrivilege 2000 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeIncreaseQuotaPrivilege 4584 wmic.exe Token: SeSecurityPrivilege 4584 wmic.exe Token: SeTakeOwnershipPrivilege 4584 wmic.exe Token: SeLoadDriverPrivilege 4584 wmic.exe Token: SeSystemProfilePrivilege 4584 wmic.exe Token: SeSystemtimePrivilege 4584 wmic.exe Token: SeProfSingleProcessPrivilege 4584 wmic.exe Token: SeIncBasePriorityPrivilege 4584 wmic.exe Token: SeCreatePagefilePrivilege 4584 wmic.exe Token: SeBackupPrivilege 4584 wmic.exe Token: SeRestorePrivilege 4584 wmic.exe Token: SeShutdownPrivilege 4584 wmic.exe Token: SeDebugPrivilege 4584 wmic.exe Token: SeSystemEnvironmentPrivilege 4584 wmic.exe Token: SeRemoteShutdownPrivilege 4584 wmic.exe Token: SeUndockPrivilege 4584 wmic.exe Token: SeManageVolumePrivilege 4584 wmic.exe Token: 33 4584 wmic.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3036 WaveInstaller.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3036 wrote to memory of 3248 3036 WaveInstaller.exe 86 PID 3036 wrote to memory of 3248 3036 WaveInstaller.exe 86 PID 3036 wrote to memory of 1200 3036 WaveInstaller.exe 87 PID 3036 wrote to memory of 1200 3036 WaveInstaller.exe 87 PID 3036 wrote to memory of 2000 3036 WaveInstaller.exe 88 PID 3036 wrote to memory of 2000 3036 WaveInstaller.exe 88 PID 2000 wrote to memory of 2660 2000 powershell.exe 89 PID 2000 wrote to memory of 2660 2000 powershell.exe 89 PID 3036 wrote to memory of 4584 3036 WaveInstaller.exe 91 PID 3036 wrote to memory of 4584 3036 WaveInstaller.exe 91 PID 3036 wrote to memory of 2232 3036 WaveInstaller.exe 92 PID 3036 wrote to memory of 2232 3036 WaveInstaller.exe 92 PID 3036 wrote to memory of 1600 3036 WaveInstaller.exe 93 PID 3036 wrote to memory of 1600 3036 WaveInstaller.exe 93 PID 2232 wrote to memory of 2156 2232 driver1.exe 94 PID 2232 wrote to memory of 2156 2232 driver1.exe 94 PID 2232 wrote to memory of 2156 2232 driver1.exe 94 PID 2232 wrote to memory of 2156 2232 driver1.exe 94 PID 2232 wrote to memory of 2156 2232 driver1.exe 94 PID 2156 wrote to memory of 4764 2156 BitLockerToGo.exe 95 PID 2156 wrote to memory of 4764 2156 BitLockerToGo.exe 95 PID 2156 wrote to memory of 4764 2156 BitLockerToGo.exe 95 PID 2156 wrote to memory of 4764 2156 BitLockerToGo.exe 95 PID 2156 wrote to memory of 4764 2156 BitLockerToGo.exe 95 - 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\sihost.exesihost.exe1⤵PID:2912
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C:\Windows\SysWOW64\openwith.exe"C:\Windows\system32\openwith.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4764
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C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"1⤵
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\System32\Wbem\wmic.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:3248
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C:\Windows\system32\tasklist.exetasklist2⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1200
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe\""2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660
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C:\Windows\System32\Wbem\wmic.exewmic csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4584
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C:\ProgramData\driver1.exeC:\ProgramData\driver1.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exeC:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 4524⤵
- Program crash
PID:4640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 4444⤵
- Program crash
PID:4296
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C:\Windows\system32\schtasks.exeschtasks /create /tn WinDriver /tr C:\ProgramData\Microsoft\WinDriver.exe /sc onstart /ru SYSTEM2⤵
- Scheduled Task/Job: Scheduled Task
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2156 -ip 21561⤵PID:2936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2156 -ip 21561⤵PID:3768
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\ProgramData\driver1.exe
- Size 7.3MB
- SHA256 ce3b888419f9e46029d630e56e15e64eb28b9f92652a1acf477a87a5aebe3f48
- MD5 69c08e5d078bd287b3cb43b7c35bc831
- SHA1 307b8de9da4d24d474e44beaf4f32c15b258b0f6
- SHA512 1bf71b7fc5e991dda21f6ed1c62895d5ba161b01677cba0901568df0a4bf3d6419cc3c04e83007566ee21de2cd66230af37de40b5ff61701ac4ad820a7b73152
- SSDEEP 98304:qpGxoV+okXp8PVFlr/xGTElV9FSMqGYG1DVID:Eo8PDflV9FMG1DVID
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 119B
- SHA256 c95e085f42475222cc2b9f826603fefdc1a07c7dd09fc6b34b9b653bd9e941c2
- MD5 052411e7391aa5b946a2e4704acac937
- SHA1 076644cf01f4f88ad27b2aa3255159ccf1bdc1b6
- SHA512 5d7660f8226f3b73263125270b6a1188cad3301e8f2fa0355af9472cc71afe4dcd00fd8eff4057ff50a4fdb2d0064928123ff74043d12d761b546c2749d9e9a0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_amkq0aht.btn.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512