53cacd3f0415f660597b5636056c0303fb9559ce5a8d9197930ef94c273be306

Reason

Machine shutdown

General

Target

4_2342234575679328584.msi
Size

266KB
MD5

7c07a45d87cc4651a1fd84ec84a26305
SHA1

a2c9403bd3c9482cf666bfef2261e0625d1b5132
SHA256

53cacd3f0415f660597b5636056c0303fb9559ce5a8d9197930ef94c273be306
SHA512

e60e20bdd286bde8828679a8176695119c7bb4d9e679d2ba746f272e1cf868e1a35eb2afb4e0eef15e33cf3927293110e4544d111f5c5c3dbdecea4101414684

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

MsiExec.exe

flow pid process

5 1820 MsiExec.exe
6 1820 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

1820 MsiExec.exe
1820 MsiExec.exe

flow	pid	process
5	1820	MsiExec.exe
6	1820	MsiExec.exe

pid	process
1820	MsiExec.exe
1820	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-1-5-21-3825035466-2522850611-591511364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\mÈçlëgìÝàäåÚáÜçâ.App.Refresh.System = "C:\\ProgramData\\Exported Files\\mÈçlëgìÝàäåÚáÜçâ.App.Refresh.System.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)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
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)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	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)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Drops file in Program Files directory 8 IoCs

Processes:

MsiExec.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\EXPORT~1\msvcr120.dll	MsiExec.exe
File created	C:\PROGRA~3\EXPORT~1\Avira.OE.NativeCore.dll	MsiExec.exe
File opened for modification	C:\PROGRA~3\EXPORT~1\Avira.OE.NativeCore.dll	MsiExec.exe
File created	C:\PROGRA~3\EXPORT~1\build1	MsiExec.exe
File opened for modification	C:\PROGRA~3\EXPORT~1\build1	MsiExec.exe
File created	C:\PROGRA~3\EXPORT~1\msvcp120.dll	MsiExec.exe
File opened for modification	C:\PROGRA~3\EXPORT~1\msvcp120.dll	MsiExec.exe
File created	C:\PROGRA~3\EXPORT~1\msvcr120.dll	MsiExec.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\MSI3008.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f742ba4.ipi	msiexec.exe
File created	C:\Windows\Installer\f742ba2.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f742ba2.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2C1F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2DC5.tmp	msiexec.exe
File created	C:\Windows\Installer\f742ba4.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1144 msiexec.exe
1144 msiexec.exe

pid	process
1144	msiexec.exe
1144	msiexec.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

msiexec.exemsiexec.exeshutdown.exe

description	pid	process
Token: SeShutdownPrivilege	1068	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1068	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeSecurityPrivilege	1144	msiexec.exe
Token: SeCreateTokenPrivilege	1068	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1068	msiexec.exe
Token: SeLockMemoryPrivilege	1068	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1068	msiexec.exe
Token: SeMachineAccountPrivilege	1068	msiexec.exe
Token: SeTcbPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	1068	msiexec.exe
Token: SeTakeOwnershipPrivilege	1068	msiexec.exe
Token: SeLoadDriverPrivilege	1068	msiexec.exe
Token: SeSystemProfilePrivilege	1068	msiexec.exe
Token: SeSystemtimePrivilege	1068	msiexec.exe
Token: SeProfSingleProcessPrivilege	1068	msiexec.exe
Token: SeIncBasePriorityPrivilege	1068	msiexec.exe
Token: SeCreatePagefilePrivilege	1068	msiexec.exe
Token: SeCreatePermanentPrivilege	1068	msiexec.exe
Token: SeBackupPrivilege	1068	msiexec.exe
Token: SeRestorePrivilege	1068	msiexec.exe
Token: SeShutdownPrivilege	1068	msiexec.exe
Token: SeDebugPrivilege	1068	msiexec.exe
Token: SeAuditPrivilege	1068	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1068	msiexec.exe
Token: SeChangeNotifyPrivilege	1068	msiexec.exe
Token: SeRemoteShutdownPrivilege	1068	msiexec.exe
Token: SeUndockPrivilege	1068	msiexec.exe
Token: SeSyncAgentPrivilege	1068	msiexec.exe
Token: SeEnableDelegationPrivilege	1068	msiexec.exe
Token: SeManageVolumePrivilege	1068	msiexec.exe
Token: SeImpersonatePrivilege	1068	msiexec.exe
Token: SeCreateGlobalPrivilege	1068	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeShutdownPrivilege	1764	shutdown.exe
Token: SeRemoteShutdownPrivilege	1764	shutdown.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe
Token: SeRestorePrivilege	1144	msiexec.exe
Token: SeTakeOwnershipPrivilege	1144	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1068 msiexec.exe
1068 msiexec.exe

pid	process
1068	msiexec.exe
1068	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

msiexec.exeMsiExec.exe

description	pid	process	target process
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1144 wrote to memory of 1820	1144	msiexec.exe	MsiExec.exe
PID 1820 wrote to memory of 1492	1820	MsiExec.exe	reg.exe
PID 1820 wrote to memory of 1492	1820	MsiExec.exe	reg.exe
PID 1820 wrote to memory of 1492	1820	MsiExec.exe	reg.exe
PID 1820 wrote to memory of 1492	1820	MsiExec.exe	reg.exe
PID 1820 wrote to memory of 1764	1820	MsiExec.exe	shutdown.exe
PID 1820 wrote to memory of 1764	1820	MsiExec.exe	shutdown.exe
PID 1820 wrote to memory of 1764	1820	MsiExec.exe	shutdown.exe
PID 1820 wrote to memory of 1764	1820	MsiExec.exe	shutdown.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\4_2342234575679328584.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1068

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:1144

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding AD17E9DF71C17DE1F5155603F3A1DC96
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\reg.exe
"C:\Windows\System32\reg.exe" ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "mÈçlëgìÝàäåÚáÜçâ.App.Refresh.System" /t REG_SZ /F /D "C:\ProgramData\Exported Files\mÈçlëgìÝàäåÚáÜçâ.App.Refresh.System.exe"
3⤵
- Adds Run key to start application
PID:1492

C:\WINDOWS\SysWOW64\shutdown.exe
"C:\WINDOWS\system32\shutdown.exe" -r -t 1 -f
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764

C:\Windows\system32\wlrmdr.exe
-s -1 -f 2 -t You are about to be logged off -m Windows will shut down in less than a minute. -a 3
1⤵
PID:1344

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1628

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2024

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

1

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:\Users\Admin\AppData\Local\Temp\MSI42887.LOG
MD5
7cca4032fe6dfa381f335b330cbd9e87

SHA1
585e335c75d279353371253b370f151c76553cd8

SHA256
f240e36ad6f9f3a7bd2ac5af5837ba36ed7d73b6553ae3d22a313475b21adb82

SHA512
5b08c3f968d1c18ba977b52e8fdfbb91f38a366ccb8d3d138915046f2fa64583ac1ad404a934f1268a94c3a315af05fd6df50dccda324b661a8eb31da30d540b

Download Submit
C:\Windows\Installer\MSI2C1F.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
C:\Windows\Installer\MSI2DC5.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI2C1F.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI2DC5.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
memory/744-12-0x000007FEF77D0000-0x000007FEF7A4A000-memory.dmp

Filesize
2.5MB

Download
memory/1068-16-0x00000000021E0000-0x00000000021E4000-memory.dmp

Filesize
16KB

Download
memory/1068-2-0x000007FEFBE81000-0x000007FEFBE83000-memory.dmp

Filesize
8KB

Download
memory/1344-17-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1492-13-0x0000000000000000-mapping.dmp

Download
memory/1628-19-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/1764-14-0x0000000000000000-mapping.dmp

Download
memory/1820-6-0x00000000756C1000-0x00000000756C3000-memory.dmp

Filesize
8KB

Download
memory/1820-11-0x0000000000540000-0x0000000000542000-memory.dmp

Filesize
8KB

Download
memory/1820-5-0x0000000000000000-mapping.dmp

Download
memory/2024-21-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads