a8c35c7bd501ca58d64791fbb065d32c3265440a78995f3fdccf7da0f77aa7c4

Reason

Machine shutdown

General

Target

XMLFC-NI_91.msi
Size

268KB
MD5

ea216c4397537df9d792c82c852796fa
SHA1

c9706304fa18ff3640f4f4db414f026b4de4cbee
SHA256

eb1cc652821c6f0665e79abe6dffee13461ffd001a331ffc6752460b7e2d073d
SHA512

32c00bf837c78c4e4c6e14fd57ee658100547231255aa08cafd4ff9e65455c79e6c405e3b2574da2f422253a32f5a185d41edaad1d0e33c08744514e84cf7e1a

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

MsiExec.exe

flow pid process

5 1964 MsiExec.exe
7 1964 MsiExec.exe
9 1964 MsiExec.exe
11 1964 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

1964 MsiExec.exe
1964 MsiExec.exe

flow	pid	process
5	1964	MsiExec.exe
7	1964	MsiExec.exe
9	1964	MsiExec.exe
11	1964	MsiExec.exe

pid	process
1964	MsiExec.exe
1964	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\ÙÔÜgîâÞßÚæåÅvæÞ×.App.Refresh.System = "C:\\ProgramData\\Exported Files\\ÙÔÜgîâÞßÚæåÅvæÞ×.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)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	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)	\??\E:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe

Drops file in Program Files directory 8 IoCs

Processes:

MsiExec.exe

description	ioc	process
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
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

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE16.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f74063a.ipi	msiexec.exe
File created	C:\Windows\Installer\f740638.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f740638.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6D4.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8B9.tmp	msiexec.exe
File created	C:\Windows\Installer\f74063a.ipi	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1420 msiexec.exe
1420 msiexec.exe

pid	process
1420	msiexec.exe
1420	msiexec.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

msiexec.exemsiexec.exeshutdown.exe

description	pid	process
Token: SeShutdownPrivilege	1336	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1336	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeSecurityPrivilege	1420	msiexec.exe
Token: SeCreateTokenPrivilege	1336	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1336	msiexec.exe
Token: SeLockMemoryPrivilege	1336	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1336	msiexec.exe
Token: SeMachineAccountPrivilege	1336	msiexec.exe
Token: SeTcbPrivilege	1336	msiexec.exe
Token: SeSecurityPrivilege	1336	msiexec.exe
Token: SeTakeOwnershipPrivilege	1336	msiexec.exe
Token: SeLoadDriverPrivilege	1336	msiexec.exe
Token: SeSystemProfilePrivilege	1336	msiexec.exe
Token: SeSystemtimePrivilege	1336	msiexec.exe
Token: SeProfSingleProcessPrivilege	1336	msiexec.exe
Token: SeIncBasePriorityPrivilege	1336	msiexec.exe
Token: SeCreatePagefilePrivilege	1336	msiexec.exe
Token: SeCreatePermanentPrivilege	1336	msiexec.exe
Token: SeBackupPrivilege	1336	msiexec.exe
Token: SeRestorePrivilege	1336	msiexec.exe
Token: SeShutdownPrivilege	1336	msiexec.exe
Token: SeDebugPrivilege	1336	msiexec.exe
Token: SeAuditPrivilege	1336	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1336	msiexec.exe
Token: SeChangeNotifyPrivilege	1336	msiexec.exe
Token: SeRemoteShutdownPrivilege	1336	msiexec.exe
Token: SeUndockPrivilege	1336	msiexec.exe
Token: SeSyncAgentPrivilege	1336	msiexec.exe
Token: SeEnableDelegationPrivilege	1336	msiexec.exe
Token: SeManageVolumePrivilege	1336	msiexec.exe
Token: SeImpersonatePrivilege	1336	msiexec.exe
Token: SeCreateGlobalPrivilege	1336	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeShutdownPrivilege	736	shutdown.exe
Token: SeRemoteShutdownPrivilege	736	shutdown.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1336 msiexec.exe
1336 msiexec.exe

pid	process
1336	msiexec.exe
1336	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

msiexec.exeMsiExec.exe

description	pid	process	target process
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1420 wrote to memory of 1964	1420	msiexec.exe	MsiExec.exe
PID 1964 wrote to memory of 1468	1964	MsiExec.exe	reg.exe
PID 1964 wrote to memory of 1468	1964	MsiExec.exe	reg.exe
PID 1964 wrote to memory of 1468	1964	MsiExec.exe	reg.exe
PID 1964 wrote to memory of 1468	1964	MsiExec.exe	reg.exe
PID 1964 wrote to memory of 736	1964	MsiExec.exe	shutdown.exe
PID 1964 wrote to memory of 736	1964	MsiExec.exe	shutdown.exe
PID 1964 wrote to memory of 736	1964	MsiExec.exe	shutdown.exe
PID 1964 wrote to memory of 736	1964	MsiExec.exe	shutdown.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\XMLFC-NI_91.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1336

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:1420

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding F886F3D089AA85FC4227DE57F5BD4DB7
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\reg.exe
"C:\Windows\System32\reg.exe" ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "ÙÔÜgîâÞßÚæåÅvæÞ×.App.Refresh.System" /t REG_SZ /F /D "C:\ProgramData\Exported Files\ÙÔÜgîâÞßÚæåÅvæÞ×.App.Refresh.System.exe"
3⤵
- Adds Run key to start application
PID:1468

C:\WINDOWS\SysWOW64\shutdown.exe
"C:\WINDOWS\system32\shutdown.exe" -r -t 1 -f
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:736

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:1076

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1684

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1992

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\MSI40406.LOG
MD5
7ef2249da99028b9502d53ba1fe13a41

SHA1
bc5d30a2b23b1fee0b7dc3dbb115b9a9b97cd6c3

SHA256
4004429a3347970f81150aa3392c749ecb3dc046c05736f45430183d7dcbe9f8

SHA512
7ae6c299c0aa0f5d184bfb82514f41b187811f9eaf6b98de2c770eda4f08716419fe810323aedbf42fba48bf4e85c00eac39b4640245057d88a7cc65070dd3db

Download Submit
C:\Windows\Installer\MSI6D4.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
C:\Windows\Installer\MSI8B9.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI6D4.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI8B9.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
memory/736-13-0x0000000000000000-mapping.dmp

Download
memory/924-11-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp

Filesize
2.5MB

Download
memory/1076-17-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1336-16-0x0000000002090000-0x0000000002094000-memory.dmp

Filesize
16KB

Download
memory/1336-2-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

Filesize
8KB

Download
memory/1468-12-0x0000000000000000-mapping.dmp

Download
memory/1684-18-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/1964-6-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/1964-5-0x0000000000000000-mapping.dmp

Download
memory/1992-20-0x0000000002820000-0x0000000002821000-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