1b8f9447633021747685b230b426e4138d411a98240ebc040abdf25995065857

Reason

Remote task has failed: Machine shutdown

General

Target

1b8f9447633021747685b230b426e4138d411a98240ebc040abdf25995065857.msi
Size

300KB
MD5

d0bd80d612c1c80cfa645224ef8ec2b4
SHA1

a1d3bb499cdd115c151cbcc3571a8835feecbd94
SHA256

1b8f9447633021747685b230b426e4138d411a98240ebc040abdf25995065857
SHA512

91491c7b54447fdebc75dd2f081cd90ffc909f8b6706c6a956bb88aad9bc712f97ec090304738b9bf2fb2ec8076c895694d44e26b7c1daba127ed109ddd00752

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

MsiExec.exe

flow pid process

10 3272 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

3272 MsiExec.exe
3272 MsiExec.exe

flow	pid	process
10	3272	MsiExec.exe

pid	process
3272	MsiExec.exe
3272	MsiExec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\AdminQgt7s© = "\"C:\\AdminQgt7s©\\tCL3C©.exe\""	reg.exe

Enumerates connected drives 3 TTPs 48 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.exe

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

Drops file in Windows directory 9 IoCs

Processes:

msiexec.exe

description	ioc	process
File created	C:\Windows\Installer\f7478df.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI79C9.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{3F619FA0-6D2A-41D7-8ED5-E5B522D88431}	msiexec.exe
File opened for modification	C:\Windows\Installer\f7478df.msi	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\MSI80B0.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8295.tmp	msiexec.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

792 reg.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msiexec.exewlrmdr.exe

pid process

4004 msiexec.exe
4004 msiexec.exe
3892 wlrmdr.exe
3892 wlrmdr.exe

pid	process
792	reg.exe

description	flow	ioc
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4004	msiexec.exe
4004	msiexec.exe
3892	wlrmdr.exe
3892	wlrmdr.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

msiexec.exemsiexec.exeshutdown.exe

description	pid	process
Token: SeShutdownPrivilege	808	msiexec.exe
Token: SeIncreaseQuotaPrivilege	808	msiexec.exe
Token: SeSecurityPrivilege	4004	msiexec.exe
Token: SeCreateTokenPrivilege	808	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	808	msiexec.exe
Token: SeLockMemoryPrivilege	808	msiexec.exe
Token: SeIncreaseQuotaPrivilege	808	msiexec.exe
Token: SeMachineAccountPrivilege	808	msiexec.exe
Token: SeTcbPrivilege	808	msiexec.exe
Token: SeSecurityPrivilege	808	msiexec.exe
Token: SeTakeOwnershipPrivilege	808	msiexec.exe
Token: SeLoadDriverPrivilege	808	msiexec.exe
Token: SeSystemProfilePrivilege	808	msiexec.exe
Token: SeSystemtimePrivilege	808	msiexec.exe
Token: SeProfSingleProcessPrivilege	808	msiexec.exe
Token: SeIncBasePriorityPrivilege	808	msiexec.exe
Token: SeCreatePagefilePrivilege	808	msiexec.exe
Token: SeCreatePermanentPrivilege	808	msiexec.exe
Token: SeBackupPrivilege	808	msiexec.exe
Token: SeRestorePrivilege	808	msiexec.exe
Token: SeShutdownPrivilege	808	msiexec.exe
Token: SeDebugPrivilege	808	msiexec.exe
Token: SeAuditPrivilege	808	msiexec.exe
Token: SeSystemEnvironmentPrivilege	808	msiexec.exe
Token: SeChangeNotifyPrivilege	808	msiexec.exe
Token: SeRemoteShutdownPrivilege	808	msiexec.exe
Token: SeUndockPrivilege	808	msiexec.exe
Token: SeSyncAgentPrivilege	808	msiexec.exe
Token: SeEnableDelegationPrivilege	808	msiexec.exe
Token: SeManageVolumePrivilege	808	msiexec.exe
Token: SeImpersonatePrivilege	808	msiexec.exe
Token: SeCreateGlobalPrivilege	808	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeRestorePrivilege	4004	msiexec.exe
Token: SeTakeOwnershipPrivilege	4004	msiexec.exe
Token: SeShutdownPrivilege	3676	shutdown.exe
Token: SeRemoteShutdownPrivilege	3676	shutdown.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

msiexec.exeMsiExec.exe

pid process

808 msiexec.exe
3272 MsiExec.exe
3272 MsiExec.exe
3272 MsiExec.exe
808 msiexec.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

wlrmdr.exeLogonUI.exe

pid process

3892 wlrmdr.exe
356 LogonUI.exe

pid	process
808	msiexec.exe
3272	MsiExec.exe
3272	MsiExec.exe
3272	MsiExec.exe
808	msiexec.exe

pid	process
3892	wlrmdr.exe
356	LogonUI.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

msiexec.exeMsiExec.execmd.execmd.exe

description	pid	process	target process
PID 4004 wrote to memory of 3272	4004	msiexec.exe	MsiExec.exe
PID 4004 wrote to memory of 3272	4004	msiexec.exe	MsiExec.exe
PID 4004 wrote to memory of 3272	4004	msiexec.exe	MsiExec.exe
PID 3272 wrote to memory of 3104	3272	MsiExec.exe	cmd.exe
PID 3272 wrote to memory of 3104	3272	MsiExec.exe	cmd.exe
PID 3272 wrote to memory of 3104	3272	MsiExec.exe	cmd.exe
PID 3272 wrote to memory of 3820	3272	MsiExec.exe	cmd.exe
PID 3272 wrote to memory of 3820	3272	MsiExec.exe	cmd.exe
PID 3272 wrote to memory of 3820	3272	MsiExec.exe	cmd.exe
PID 3820 wrote to memory of 3676	3820	cmd.exe	shutdown.exe
PID 3820 wrote to memory of 3676	3820	cmd.exe	shutdown.exe
PID 3820 wrote to memory of 3676	3820	cmd.exe	shutdown.exe
PID 3104 wrote to memory of 792	3104	cmd.exe	reg.exe
PID 3104 wrote to memory of 792	3104	cmd.exe	reg.exe
PID 3104 wrote to memory of 792	3104	cmd.exe	reg.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\1b8f9447633021747685b230b426e4138d411a98240ebc040abdf25995065857.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:808

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding F842C348AEA41AA1C6DF45DB5E57A714
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C start /MIN reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "AdminQgt7s©" /t reg_sz /d "\"C:\AdminQgt7s©\tCL3C©.exe\"
3⤵
- Suspicious use of WriteProcessMemory
PID:3104

C:\Windows\SysWOW64\reg.exe
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "AdminQgt7s©" /t reg_sz /d "\"C:\AdminQgt7s©\tCL3C©.exe\"
4⤵
- Adds Run key to start application
- Modifies registry key
PID:792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C start /MIN shutdown -r -f -t 20 -c "Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas..."
3⤵
- Suspicious use of WriteProcessMemory
PID:3820

C:\Windows\SysWOW64\shutdown.exe
shutdown -r -f -t 20 -c "Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas..."
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3676

C:\Windows\system32\wlrmdr.exe
-s -1 -f 2 -t You're about to be signed out -m Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas... -a 3
1⤵
PID:412

C:\Windows\system32\wlrmdr.exe
-s -1 -f 2 -t You're about to be signed out -m Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas... -a 3
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3892

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ad2855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\Installer\MSI79C9.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
C:\Windows\Installer\MSI80B0.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI79C9.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI80B0.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
memory/792-128-0x0000000000000000-mapping.dmp

Download
memory/3104-125-0x0000000000000000-mapping.dmp

Download
memory/3272-118-0x0000000000000000-mapping.dmp

Download
memory/3676-127-0x0000000000000000-mapping.dmp

Download
memory/3820-126-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads