rhadamanthys | b4346702b4b5029cbd627b5df724550f8b783ba22876e5070dadc0ed5c214df2

General

Target

Obsidian_Installer_v.3.15.exe.msi
Size

23.0MB
MD5

4295dda40427af8df6738b3531d63389
SHA1

cb5a45de787c34eda399a3cad64abd3b6133f514
SHA256

b4346702b4b5029cbd627b5df724550f8b783ba22876e5070dadc0ed5c214df2
SHA512

31ae6245cc6188e9d8b471c9cb169263fb7189e3d7653266857db01e3b92b1773ddc1971e3468734f48294f48aaf1a1e93b21d3ffc89dc30f6fcf8549c6a24e2
SSDEEP

393216:u66L7jpW/sxwA0Ip5AGgrJmD1Y5D9xAgAmBOn4AZENqMJiaErOQtt4KgTD5v2X:uHWUxOQxZDKNfAuOri9rQtlKy

Score

10^/10

rhadamanthys discovery persistence privilege_escalation stealer

Malware Config

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

MsiExec.exe

description pid process target process

PID 1964 created 1372 1964 MsiExec.exe Explorer.EXE
Blocklisted process makes network request 3 IoCs

Processes:

msiexec.exemsiexec.exe

flow pid process

3 1592 msiexec.exe
5 1592 msiexec.exe
7 2296 msiexec.exe

description	pid	process	target process
PID 1964 created 1372	1964	MsiExec.exe	Explorer.EXE

flow	pid	process
3	1592	msiexec.exe
5	1592	msiexec.exe
7	2296	msiexec.exe

Enumerates connected drives 3 TTPs 64 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\A:	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe

Drops file in Windows directory 11 IoCs

Processes:

msiexec.exeDrvInst.exe

description	ioc	process
File created	C:\Windows\Installer\f7819da.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f7819d8.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File created	C:\Windows\Installer\f7819d7.msi	msiexec.exe
File created	C:\Windows\Installer\f7819d8.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4190.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\Installer\f7819d7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI26BF.tmp	msiexec.exe

Loads dropped DLL 1 IoCs

Processes:

MsiExec.exe

pid process

1964 MsiExec.exe
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Msiexec
T1218.007

Processes:

msiexec.exe

pid process

1592 msiexec.exe

pid	process
1964	MsiExec.exe

pid	process
1592	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.

discovery

System Language Discovery

T1614.001

Processes:

msiexec.exedialer.exeMsiExec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe

Modifies data under HKEY_USERS 46 IoCs

Processes:

DrvInst.exemsiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe

Modifies registry class 22 IoCs

Processes:

msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\Assignment = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\InstanceType = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\PackageCode = "7A74966847EC2A34B99EB7B98AF9DD09"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\F44E241F0BCCADE479DE975C6A0CB160\DefaultFeature	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\Version = "16777216"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\AdvertiseFlags = "388"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A425586BD2489EF4F8012A4FFEF4857B	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\PackageName = "Obsidian_Installer_v.3.15.exe.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\F44E241F0BCCADE479DE975C6A0CB160	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\DeploymentFlags = "2"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A425586BD2489EF4F8012A4FFEF4857B\F44E241F0BCCADE479DE975C6A0CB160	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\F44E241F0BCCADE479DE975C6A0CB160\ProductName = "Installer"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

MsiExec.exemsiexec.exedialer.exe

pid process

1964 MsiExec.exe
1964 MsiExec.exe
2296 msiexec.exe
2296 msiexec.exe
1880 dialer.exe
1880 dialer.exe
1880 dialer.exe
1880 dialer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msiexec.exe

pid process

1320 msiexec.exe

pid	process
1964	MsiExec.exe
1964	MsiExec.exe
2296	msiexec.exe
2296	msiexec.exe
1880	dialer.exe
1880	dialer.exe
1880	dialer.exe
1880	dialer.exe

pid	process
1320	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1592	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1592	msiexec.exe
Token: SeRestorePrivilege	2296	msiexec.exe
Token: SeTakeOwnershipPrivilege	2296	msiexec.exe
Token: SeSecurityPrivilege	2296	msiexec.exe
Token: SeCreateTokenPrivilege	1592	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1592	msiexec.exe
Token: SeLockMemoryPrivilege	1592	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1592	msiexec.exe
Token: SeMachineAccountPrivilege	1592	msiexec.exe
Token: SeTcbPrivilege	1592	msiexec.exe
Token: SeSecurityPrivilege	1592	msiexec.exe
Token: SeTakeOwnershipPrivilege	1592	msiexec.exe
Token: SeLoadDriverPrivilege	1592	msiexec.exe
Token: SeSystemProfilePrivilege	1592	msiexec.exe
Token: SeSystemtimePrivilege	1592	msiexec.exe
Token: SeProfSingleProcessPrivilege	1592	msiexec.exe
Token: SeIncBasePriorityPrivilege	1592	msiexec.exe
Token: SeCreatePagefilePrivilege	1592	msiexec.exe
Token: SeCreatePermanentPrivilege	1592	msiexec.exe
Token: SeBackupPrivilege	1592	msiexec.exe
Token: SeRestorePrivilege	1592	msiexec.exe
Token: SeShutdownPrivilege	1592	msiexec.exe
Token: SeDebugPrivilege	1592	msiexec.exe
Token: SeAuditPrivilege	1592	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1592	msiexec.exe
Token: SeChangeNotifyPrivilege	1592	msiexec.exe
Token: SeRemoteShutdownPrivilege	1592	msiexec.exe
Token: SeUndockPrivilege	1592	msiexec.exe
Token: SeSyncAgentPrivilege	1592	msiexec.exe
Token: SeEnableDelegationPrivilege	1592	msiexec.exe
Token: SeManageVolumePrivilege	1592	msiexec.exe
Token: SeImpersonatePrivilege	1592	msiexec.exe
Token: SeCreateGlobalPrivilege	1592	msiexec.exe
Token: SeBackupPrivilege	3000	vssvc.exe
Token: SeRestorePrivilege	3000	vssvc.exe
Token: SeAuditPrivilege	3000	vssvc.exe
Token: SeBackupPrivilege	2296	msiexec.exe
Token: SeRestorePrivilege	2296	msiexec.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2412	DrvInst.exe
Token: SeLoadDriverPrivilege	2412	DrvInst.exe
Token: SeLoadDriverPrivilege	2412	DrvInst.exe
Token: SeLoadDriverPrivilege	2412	DrvInst.exe
Token: SeRestorePrivilege	2296	msiexec.exe
Token: SeTakeOwnershipPrivilege	2296	msiexec.exe
Token: SeRestorePrivilege	2296	msiexec.exe
Token: SeTakeOwnershipPrivilege	2296	msiexec.exe
Token: SeShutdownPrivilege	1320	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1320	msiexec.exe
Token: SeCreateTokenPrivilege	1320	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1320	msiexec.exe
Token: SeLockMemoryPrivilege	1320	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1320	msiexec.exe
Token: SeMachineAccountPrivilege	1320	msiexec.exe
Token: SeTcbPrivilege	1320	msiexec.exe
Token: SeSecurityPrivilege	1320	msiexec.exe
Token: SeTakeOwnershipPrivilege	1320	msiexec.exe
Token: SeLoadDriverPrivilege	1320	msiexec.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msiexec.exemsiexec.exe

pid process

1592 msiexec.exe
1320 msiexec.exe
1592 msiexec.exe

pid	process
1592	msiexec.exe
1320	msiexec.exe
1592	msiexec.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

msiexec.exeMsiExec.exe

description	pid	process	target process
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 2296 wrote to memory of 1964	2296	msiexec.exe	MsiExec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1320	1964	MsiExec.exe	msiexec.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe
PID 1964 wrote to memory of 1880	1964	MsiExec.exe	dialer.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1372
- C:\Windows\system32\msiexec.exe
  msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Obsidian_Installer_v.3.15.exe.msi
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - Event Triggered Execution: Installer Packages
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1592
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1880

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 2EB20E6EC43C3427C0547DC93315D924
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\dXNlcg==.msi"
    3⤵
    - Enumerates connected drives
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:1320

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3000

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000048C" "0000000000000060"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Privilege Escalation

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Defense Evasion

System Binary Proxy Execution

1

T1218

Msiexec

1

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Config.Msi\f7819d9.rbs

Filesize
6KB

MD5
1cc87c045c98f254b276744ad7f2b787

SHA1
5379bab7ce8fcf18d0b003b8a89312826adeaa82

SHA256
6b7e7c923d4f3f62f4f27e33ffcddbad80be2575f40ee517311606e9d9b47e4b

SHA512
9f496a198f3069b5590630d96c7c3f84ee09342c36d746d4dd94a3547c2aefe0aed87317fab2da06920925765391de7a6470df244e06fad39cb2db1447ee3517

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07298EE8EBA9732300AE62BDCA6B6898

Filesize
1KB

MD5
e11e31581aae545302f6176a117b4d95

SHA1
743af0529bd032a0f44a83cdd4baa97b7c2ec49a

SHA256
2e7bf16cc22485a7bbe2aa8696750761b0ae39be3b2fe9d0cc6d4ef73491425c

SHA512
c63aba6ca79c60a92b3bd26d784a5436e45a626022958bf6c194afc380c7bfb01fadf0b772513bbdbd7f1bb73691b0edb2f60b2f235ec9e0b81c427e04fbe451

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07298EE8EBA9732300AE62BDCA6B6898

Filesize
312B

MD5
9cab25a1c84e6694a29f4dffadd8f6f5

SHA1
53fe9d8ec481286b328386ed6ffe7420ed7fd3de

SHA256
022236727acb1c65221c30cd79f096cfa0e43814c6e79e093f629ed4ac1d78ec

SHA512
7a60b7c958b67ff16a038c5bf3251e0570462d3a122919253c2262db2894b9d8096f0be84aeafb3035497b3faa94b6a8dd30897837da1f98c00f27a229a732a5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
502db7fbe67b5378681b74360fa2388b

SHA1
1b3b5eb5370cc1da2373ca59f5f60c917b0242c2

SHA256
29e510aa9a8854171079cfaa0cae7bd6e1988eef39baefe635bf863956181db0

SHA512
6bcab51c9ee15545df013cf54fb6d2cb4e561c5f7f002bd42427391384aee248c9c38d8c4d9fcaac1ae287dc7a378cd083d4caee7fce5bb59c5027266516fe1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab905F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar984E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\dXNlcg==.msi

Filesize
22.3MB

MD5
e969fa4b30951a66e9bf28b21fd75174

SHA1
dc818acf470ad20f56f464e4839650564f023a7f

SHA256
96811ea4f9266ba8ee5c758c146fbc84f3cfe5ec4c5c966b5885e11b5f696f74

SHA512
6da2ec033f58843a06270ef04c55ba0ee8449df685f1902ab953bf511acd0a4735532db3bff73858c082005b4df27d5c376a4fb324f9506b85564356286b0f68

Download Submit
\Windows\Installer\MSI26BF.tmp

Filesize
193KB

MD5
7e274959f4347527c246a2c6343105e7

SHA1
8885c1a2624ccd01102d9eabfa9050fd19093f16

SHA256
dbe502732e67c80c03fba12a885f3c68023eeff31fcde8170f4733d8261b540e

SHA512
bf4666efec860030f2795ebdb5ed34a11f2611a342ea1b752dd232072425420b9155804fc43ed7546c4fd3973bc68cdfc9c5cd9765d3c529891a0862173df4b9

Download Submit
memory/1880-173-0x0000000002010000-0x0000000002410000-memory.dmp

Filesize
4.0MB

Download
memory/1880-171-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/1880-174-0x0000000076EF0000-0x0000000077099000-memory.dmp

Filesize
1.7MB

Download
memory/1880-176-0x0000000075010000-0x0000000075057000-memory.dmp

Filesize
284KB

Download
memory/1964-168-0x0000000076EF0000-0x0000000077099000-memory.dmp

Filesize
1.7MB

Download
memory/1964-170-0x0000000075010000-0x0000000075057000-memory.dmp

Filesize
284KB

Download
memory/1964-167-0x0000000005500000-0x0000000005900000-memory.dmp

Filesize
4.0MB

Download
memory/1964-166-0x0000000005500000-0x0000000005900000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads