fatalrat | 4bf33d5531fe319bed3d1550608ded652ef6b52437b6cc94d47a0d388f5bb03b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-07-2024 16:16

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General

Target

4bf33d5531fe319bed3d1550608ded652ef6b52437b6cc94d47a0d388f5bb03b.msi
Size

9.5MB
MD5

8b1b9af08bc62e4608d21b5568c0a581
SHA1

acc808accbb6897da328a1def679b42e198bf9e0
SHA256

4bf33d5531fe319bed3d1550608ded652ef6b52437b6cc94d47a0d388f5bb03b
SHA512

9c03511ccc5c4f1ee386a61e91f9afadc7310d1798a2ba7d233a308fa73dfa260a868c4e30efd92b3259406f645fc50e0449b89aeab8827d32c4c725dd2f971f
SSDEEP

196608:nWxLkNZONFiVDfWpugrukEa3bwQLWnhLQusRQR7p+2+E:nELkNZONFMUFruxoNazsRO7pJt

Score

10^/10

fatalrat bootkit infostealer persistence privilege_escalation rat upx

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/3064-392-0x0000000000BD0000-0x0000000000BFA000-memory.dmp	fatalrat

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/444-425-0x0000000000220000-0x00000000007C3000-memory.dmp	upx
behavioral1/memory/444-438-0x0000000000220000-0x00000000007C3000-memory.dmp	upx
behavioral1/memory/444-445-0x0000000000220000-0x00000000007C3000-memory.dmp	upx
behavioral1/memory/444-446-0x0000000000220000-0x00000000007C3000-memory.dmp	upx
behavioral1/memory/444-461-0x0000000000220000-0x00000000007C3000-memory.dmp	upx

Blocklisted process makes network request 5 IoCs

flow	pid	Process
3	2568	msiexec.exe
5	2568	msiexec.exe
7	2568	msiexec.exe
8	2688	msiexec.exe
13	876	MsiExec.exe

Enumerates connected drives 3 TTPs 46 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

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

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	WPS.exe

Drops file in Windows directory 24 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSIEFA5.tmp	msiexec.exe
File created	C:\Windows\Installer\f76e521.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE965.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEB89.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEDAD.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEE3A.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\Installer\MSIE916.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF1E9.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF1EA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF25.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF26.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\Installer\f76e521.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE740.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE8A7.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIED1F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF071.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEB1A.tmp	msiexec.exe
File created	C:\Windows\Installer\f76e524.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\f76e524.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF1EB.tmp	msiexec.exe

Executes dropped EXE 5 IoCs

pid	Process
696	MSIF1E9.tmp
1812	MSIF1EA.tmp
3064	thelper.exe
2088	thelper.exe
444	WPS.exe

Loads dropped DLL 34 IoCs

pid	Process
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
876	MsiExec.exe
1380	MsiExec.exe
1380	MsiExec.exe
876	MsiExec.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
3064	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe
2088	thelper.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

pid	Process
2568	msiexec.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D	msiexec.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	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	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\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\Microsoft\SystemCertificates\trust	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\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
876	MsiExec.exe
2688	msiexec.exe
2688	msiexec.exe
444	WPS.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2568	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2568	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeSecurityPrivilege	2688	msiexec.exe
Token: SeCreateTokenPrivilege	2568	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2568	msiexec.exe
Token: SeLockMemoryPrivilege	2568	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2568	msiexec.exe
Token: SeMachineAccountPrivilege	2568	msiexec.exe
Token: SeTcbPrivilege	2568	msiexec.exe
Token: SeSecurityPrivilege	2568	msiexec.exe
Token: SeTakeOwnershipPrivilege	2568	msiexec.exe
Token: SeLoadDriverPrivilege	2568	msiexec.exe
Token: SeSystemProfilePrivilege	2568	msiexec.exe
Token: SeSystemtimePrivilege	2568	msiexec.exe
Token: SeProfSingleProcessPrivilege	2568	msiexec.exe
Token: SeIncBasePriorityPrivilege	2568	msiexec.exe
Token: SeCreatePagefilePrivilege	2568	msiexec.exe
Token: SeCreatePermanentPrivilege	2568	msiexec.exe
Token: SeBackupPrivilege	2568	msiexec.exe
Token: SeRestorePrivilege	2568	msiexec.exe
Token: SeShutdownPrivilege	2568	msiexec.exe
Token: SeDebugPrivilege	2568	msiexec.exe
Token: SeAuditPrivilege	2568	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2568	msiexec.exe
Token: SeChangeNotifyPrivilege	2568	msiexec.exe
Token: SeRemoteShutdownPrivilege	2568	msiexec.exe
Token: SeUndockPrivilege	2568	msiexec.exe
Token: SeSyncAgentPrivilege	2568	msiexec.exe
Token: SeEnableDelegationPrivilege	2568	msiexec.exe
Token: SeManageVolumePrivilege	2568	msiexec.exe
Token: SeImpersonatePrivilege	2568	msiexec.exe
Token: SeCreateGlobalPrivilege	2568	msiexec.exe
Token: SeBackupPrivilege	2664	vssvc.exe
Token: SeRestorePrivilege	2664	vssvc.exe
Token: SeAuditPrivilege	2664	vssvc.exe
Token: SeBackupPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2852	DrvInst.exe
Token: SeLoadDriverPrivilege	2852	DrvInst.exe
Token: SeLoadDriverPrivilege	2852	DrvInst.exe
Token: SeLoadDriverPrivilege	2852	DrvInst.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe
Token: SeTakeOwnershipPrivilege	2688	msiexec.exe
Token: SeRestorePrivilege	2688	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2568	msiexec.exe
2568	msiexec.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 876	2688	msiexec.exe	35
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 1380	2688	msiexec.exe	36
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 696	2688	msiexec.exe	37
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 2688 wrote to memory of 1812	2688	msiexec.exe	38
PID 3064 wrote to memory of 2088	3064	thelper.exe	41
PID 3064 wrote to memory of 2088	3064	thelper.exe	41
PID 3064 wrote to memory of 2088	3064	thelper.exe	41
PID 3064 wrote to memory of 2088	3064	thelper.exe	41

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

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\4bf33d5531fe319bed3d1550608ded652ef6b52437b6cc94d47a0d388f5bb03b.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2568

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 86FC24854E57CF3B81F4C186D9D046C1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:876
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding A73CB615512903BBA7CEA43899DC6B52 M Global\MSI0000
  2⤵
  - Loads dropped DLL
  PID:1380
- C:\Windows\Installer\MSIF1E9.tmp
  "C:\Windows\Installer\MSIF1E9.tmp" /DontWait "C:\Users\Admin\AppData\Roaming\WPS.exe"
  2⤵
  - Executes dropped EXE
  PID:696
- C:\Windows\Installer\MSIF1EA.tmp
  "C:\Windows\Installer\MSIF1EA.tmp" /DontWait "C:\ProgramData\Microsoft\MF\thelper.exe"
  2⤵
  - Executes dropped EXE
  PID:1812

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000588" "00000000000005D8"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2852

C:\ProgramData\Microsoft\MF\thelper.exe
"C:\ProgramData\Microsoft\MF\thelper.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\thelper.exe
  "C:\Users\Admin\AppData\Local\thelper.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2088

C:\Users\Admin\AppData\Roaming\WPS.exe
"C:\Users\Admin\AppData\Roaming\WPS.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Config.Msi\f76e525.rbs

Filesize
377KB

MD5
e8260505be60e37a0a70cdef0ef1ab66

SHA1
cb355819e068fe48a42fbc5202f09e97fd3be063

SHA256
b3e203246fa80335ff7340cd61357289a6a5836ec10f81d96cf708950cfcbce5

SHA512
b75e41e122bac1001864aaa61e8a94708ee699141c5870eae04e3cccb97a4c3a39b7e666a6eef632f44b3b131eeb6a608e6881e48bb45d6ed38488d26a758a58

Download Submit
C:\ProgramData\Microsoft\MF\Mi.jpg

Filesize
199KB

MD5
75cbb4f1e63e245bd3462cab5cb5be2c

SHA1
2961f8579ed879cdc1bd50dde56c6441965818ed

SHA256
dec9df011a3ee5fb9a9544bda976eec41667f344bc0b3166392f4cfffaf3f7c6

SHA512
f7620741cf450da09981f8fc8449d79981490696b84b65f35354f5be7d0d3a6ed6ce8a08334e50f5b9d81ddaaebe30b4fdb6da6fd8015b0270477d761e2ee642

Download Submit
C:\ProgramData\Microsoft\MF\XLFSIO2.DLL

Filesize
209KB

MD5
1bc7af7a8512cf79d4f0efc5cb138ce3

SHA1
68fd202d9380cacd2f8e0ce06d8df1c03c791c5b

SHA256
ef474b18f89310c067a859d55abd4e4f42fdac732e49eafe4246545e36872a62

SHA512
84de4d193d22a305be2ba28fc67bd1cccf83616cead721e57347f1b2e0736d351fef1abf168f7914caa1bcc7a72db43769991016673cd4646def544802ee8960

Download Submit
C:\ProgramData\Microsoft\MF\XLGraphic.dll

Filesize
730KB

MD5
74c75ae5b97ad708dbe6f69d3a602430

SHA1
a02764d99b44ce4b1d199ef0f8ce73431d094a6a

SHA256
89fbb6b1ca9168a452e803dbdc6343db7c661ad70860a245d76b3b08830156e2

SHA512
52c5f7e00dffb1c0719d18184da2cc8ec2ad178b222775f167b87320f0683a3c2846e30190bc506f12d14c07fa45896935b3d4ac396baa14d7564996e35c2ada

Download Submit
C:\ProgramData\Microsoft\MF\XLUE.dll

Filesize
2.4MB

MD5
0abbe96e1f7a254e23a80f06a1018c69

SHA1
0b83322fd5e18c9da8c013a0ed952cffa34381ae

SHA256
10f099f68741c179d5ad60b226d15233bb02d73f84ce51a5bbbbc4eb6a08e9d4

SHA512
2924e1e11e11bd655f27eb0243f87002a50a2d4b80e0b0e3ad6fd4c3d75c44222fab426fcaa695881b0093babf544e8aeee50a065ea92274145b0f88b1db0c58

Download Submit
C:\ProgramData\Microsoft\MF\libexpat.dll

Filesize
668KB

MD5
5ff790879aab8078884eaac71affeb4a

SHA1
59352663fdcf24bb01c1f219410e49c15b51d5c5

SHA256
cceca70f34bbcec861a02c3700de79ea17d80c0a7b9f33d7edd1357a714e0f2f

SHA512
34fbaffc48912e3d3fa2d224e001121e8b36f5be7284a33eb31d306b9a5c00de6e23a9fdc1a17a61fb1371768f0b0e30b9c6e899a08c735fc70482d5aa8ea824

Download Submit
C:\ProgramData\Microsoft\MF\libpng13.dll

Filesize
157KB

MD5
bb1922dfbdd99e0b89bec66c30c31b73

SHA1
f7a561619c101ba9b335c0b3d318f965b8fc1dfb

SHA256
76457f38cbbdd3dce078a40d42d9ac0dc26ae1c4bb68ab9c880eb7ffb400fd99

SHA512
3054574dd645feb1468cee53db2fd456e4f923eaf5fd686557a01c72c0572b19d70f3885d47fe42e97cdf7ccc2c674a6e966ff19668907cf7828e0a943cf474a

Download Submit
C:\ProgramData\Microsoft\MF\mt.dll

Filesize
1.5MB

MD5
9ded3fdffb0ff7f62e6a0a7f996c0caf

SHA1
fcc959b28a32923ccdb1ca4e304c74a31dede929

SHA256
87aab1db611adb132f503c08c32dc4efc23c9216d97e918f7279f86920701c93

SHA512
a7e7cb96a78827b01e71c595ca0d106eaf7afe35d4a548e5beccf0b009cc02d33274822958dca4998a427d8b4027eaefe99b40b3648e24730c81df34eab32ba0

Download Submit
C:\ProgramData\Microsoft\MF\thelper.exe

Filesize
226KB

MD5
17749f66292f190ef93652eb512c5ab7

SHA1
e2f651aa9d37404063ffc79e920787c9d3e71fdb

SHA256
0aa17ee66b8dae520e82a94388b1a1d603ec2aed20c464d6cac9a521d4167f24

SHA512
2ef192a191dc40a16c9b8768e749175c1a57319ab896809691effcc5de61c4a38fd8a8388b8907a1985e505907a8529f4d10990e362831092c75dafb8900b13e

Download Submit
C:\ProgramData\Microsoft\MF\zlib1.dll

Filesize
62KB

MD5
37163aacc5534fbab012fb505be8d647

SHA1
73de6343e52180a24c74f4629e38a62ed8ad5f81

SHA256
0a6357a8852daaafe7aed300e2f7e69d993cac4156e882baa8a3a56b583255ba

SHA512
c3bed1c9bc58652ed16b162ed16a93cf7479a0492db7e6ea577001dbe859affc0b20387d93d23e06e73f49f395e4c9a5a07680f000ebb82d32269742c16a5242

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C5C8CC0A7FE31816B4641D0465402560

Filesize
1KB

MD5
e94fb54871208c00df70f708ac47085b

SHA1
4efc31460c619ecae59c1bce2c008036d94c84b8

SHA256
7b9d553e1c92cb6e8803e137f4f287d4363757f5d44b37d52f9fca22fb97df86

SHA512
2e15b76e16264abb9f5ef417752a1cbb75f29c11f96ac7d73793172bd0864db65f2d2b7be0f16bbbe686068f0c368815525f1e39db5a0d6ca3ab18be6923b898

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

Filesize
342B

MD5
4fe93b9afc4650d2f73b223bc7090b94

SHA1
9f0aa9d2f0cef6517ba0813b36d33be37c7bd353

SHA256
34e7c855bf4da3e46ef58491cb24f209bf0da16aa3df58e13624ce2e908d0e8b

SHA512
4c1cf2ca7212aca59bb8a3b683daf760a4613cef275cb9f3c98414acc85d41e87813afcae95fb7ca085fa833425c95cac0878f11c713f6bca133dd6a16c2f3e9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C5C8CC0A7FE31816B4641D0465402560

Filesize
264B

MD5
abbf7bf670630fe5bba6da67dc6aa876

SHA1
dc5a783592b2f12d09b37a2348f1ae947aaf2790

SHA256
0eb07c7a6cdcc7db03a27747d35aed8a687dc0e016f917f28cc968c5f3004283

SHA512
8f0e45366b74ecc2ffde1f370c8824b8eacf59673eb33cdb355a5e687819c80e9c65612dda7f86c68dfed7f81c43d79f13f54b6b0672288363e61558a40a40f0

Download Submit
C:\Users\Admin\AppData\Local\AdvinstAnalytics\6696c9562ff508bfba81ef0a\76.23.66\tracking.ini

Filesize
84B

MD5
6485e1ce0dc195c4200de9a20180d65a

SHA1
4ded2d28b2514250faa81fa1d63d1ff60ce67c3b

SHA256
e6304a2d1f355dbb1e356c38d2c0ccb1b3589d6cc9b2e4398c661a2c802ed017

SHA512
18578a464349b6e54299e1f0cb73a591844560cd94d2166bbd63da515a60de697a42f0eb61770862d2f2f3d38de59bbc1f24927658cf39e02a9ce8c0df99b488

Download Submit
C:\Users\Admin\AppData\Local\AdvinstAnalytics\6696c9562ff508bfba81ef0a\76.23.66\{3EBE481C-7E43-457B-96D7-3C56C9FC060F}.session

Filesize
4KB

MD5
b45c21e234b00a020406399fc7accd60

SHA1
242c18884d623c74aa719039023c203f366d8359

SHA256
5c1fc0eb6d4f39cfb611f2d23c3ce5a8d73df1468e92b65b6f4b6af560adbf67

SHA512
15f9d904d1814dff33c001feaf795b67b395c0d80030ff9b9a41d7f74da7ae580b403895905db4bede45db8c379f271a5330d76974f97bdc28e917228893c7e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC515.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC538.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Windows\Installer\MSIE8A7.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Windows\Installer\MSIE965.tmp

Filesize
897KB

MD5
6189cdcb92ab9ddbffd95facd0b631fa

SHA1
b74c72cefcb5808e2c9ae4ba976fa916ba57190d

SHA256
519f7ac72beba9d5d7dcf71fcac15546f5cfd3bcfc37a5129e63b4e0be91a783

SHA512
ee9ce27628e7a07849cd9717609688ca4229d47579b69e3d3b5b2e7c2433369de9557ef6a13fa59964f57fb213cd8ca205b35f5791ea126bde5a4e00f6a11caf

Download Submit
C:\Windows\Installer\MSIEF26.tmp

Filesize
187KB

MD5
f11e8ec00dfd2d1344d8a222e65fea09

SHA1
235ed90cc729c50eb6b8a36ebcd2cf044a2d8b20

SHA256
775037d6d7de214796f2f5850440257ae7f04952b73538da2b55db45f3b26e93

SHA512
6163dd8fd18b4520d7fda0986a80f2e424fe55f5d65d67f5a3519a366e53049f902a08164ea5669476100b71bb2f0c085327b7c362174cb7a051d268f10872d3

Download Submit
C:\Windows\Installer\MSIF1E9.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
\ProgramData\Microsoft\MF\XLFSIO.dll

Filesize
900KB

MD5
a06090c5f2d3df2cedc51cc99e19e821

SHA1
701ac97c2fd140464b234f666a0453d058c9fabf

SHA256
64ffdffb82fc649e6847b3c4f8678d9cca0d5117fa54c9abbb746625d3feef89

SHA512
541804db74a25fc5f50801f23b4d9f2be788d3c95d3d23dd8098f4c8888d1fc808e6eb6959c458965c639ea28b594a87dff7f3a89c4750c109b29b573c4535cf

Download Submit
\ProgramData\Microsoft\MF\XLLuaRuntime.dll

Filesize
249KB

MD5
5362cb2efe55c6d6e9b51849ec0706b2

SHA1
d91acbe95dedc3bcac7ec0051c04ddddd5652778

SHA256
1d7519acca9c8a013c31af2064fbc599a0b14cfd1dfb793a345fab14045fed40

SHA512
dbd591c3d0b9847d9cef59277c03ec89e246db0e54b58fbbe9d492b75cdcb32d75444012cdfb1c77376d15db7fde1f74e694d2487c481ce29a2133342b91e1f5

Download Submit
\ProgramData\Microsoft\MF\ic.dll

Filesize
1.6MB

MD5
bb1197bea58b158554fa3fa25866d1ea

SHA1
cae7f395ed42fa2dd3362f4c816fb678072feb49

SHA256
20a04729fdd8e02e2fb5be79af130c364d0f3ce85e49478a6819a0a2020ae844

SHA512
f80b7669da861400a5b5add8148b85cc62994819e3a3a2220475d7ec2fc31f70bc3c683d5a5d6043b319b428a0ac47b9b41201aee7aba5d5cc927a8556dd7b73

Download Submit
\Windows\Installer\MSIE740.tmp

Filesize
770KB

MD5
356fc2c181cc37e3f8ae4d6b855ebfcb

SHA1
2ead1e69f14099ae33a3216a9312c88007b73cd1

SHA256
c92b2d9623f19f8acfeac5fd894346515631ebb590e68f22c40a35fbacbef03c

SHA512
74ea73d3206ba1c6f1963caa4866589fe86636f68815c74733644ad6c4913de3f1399770f6095a48c9d94a7d934072d8d8b409a393de644265f6e456455dcebd

Download Submit
memory/444-461-0x0000000000220000-0x00000000007C3000-memory.dmp

Filesize
5.6MB

Download
memory/444-446-0x0000000000220000-0x00000000007C3000-memory.dmp

Filesize
5.6MB

Download
memory/444-445-0x0000000000220000-0x00000000007C3000-memory.dmp

Filesize
5.6MB

Download
memory/444-438-0x0000000000220000-0x00000000007C3000-memory.dmp

Filesize
5.6MB

Download
memory/444-425-0x0000000000220000-0x00000000007C3000-memory.dmp

Filesize
5.6MB

Download
memory/696-356-0x0000000000120000-0x0000000000122000-memory.dmp

Filesize
8KB

Download
memory/1812-355-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/2088-413-0x0000000000560000-0x0000000000595000-memory.dmp

Filesize
212KB

Download
memory/2088-407-0x0000000000450000-0x0000000000558000-memory.dmp

Filesize
1.0MB

Download
memory/2088-416-0x00000000005A0000-0x00000000005DF000-memory.dmp

Filesize
252KB

Download
memory/2088-420-0x0000000072980000-0x0000000072B97000-memory.dmp

Filesize
2.1MB

Download
memory/2088-421-0x0000000072740000-0x0000000072974000-memory.dmp

Filesize
2.2MB

Download
memory/2088-419-0x0000000021C90000-0x0000000021D7F000-memory.dmp

Filesize
956KB

Download
memory/3064-376-0x0000000000580000-0x00000000005BF000-memory.dmp

Filesize
252KB

Download
memory/3064-392-0x0000000000BD0000-0x0000000000BFA000-memory.dmp

Filesize
168KB

Download
memory/3064-381-0x0000000021C90000-0x0000000021D7F000-memory.dmp

Filesize
956KB

Download
memory/3064-422-0x0000000021C90000-0x0000000021D7F000-memory.dmp

Filesize
956KB

Download
memory/3064-372-0x00000000001E0000-0x0000000000215000-memory.dmp

Filesize
212KB

Download
memory/3064-362-0x0000000000470000-0x0000000000578000-memory.dmp

Filesize
1.0MB

Download
memory/3064-423-0x0000000072980000-0x0000000072B97000-memory.dmp

Filesize
2.1MB

Download
memory/3064-424-0x0000000072740000-0x0000000072974000-memory.dmp

Filesize
2.2MB

Download
memory/3064-385-0x0000000072980000-0x0000000072B97000-memory.dmp

Filesize
2.1MB

Download
memory/3064-386-0x0000000072740000-0x0000000072974000-memory.dmp

Filesize
2.2MB

Download
memory/3064-388-0x0000000000680000-0x00000000006B1000-memory.dmp

Filesize
196KB

Download