d0521fb7367c52451968c8a536aac19ea449cbcd144022831cfc63bff5bc0f8e

Reason

Machine shutdown

General

Target

XMLFC-NI_27.msi
Size

267KB
MD5

3ba27f796d18104606b2f58744fb017c
SHA1

cc253e24ab868e61419a78fc161a5546ce878bd6
SHA256

e2eaa5496cb25b7d2866507d4fc494173588897b4d589b8322fc9635bac71e02
SHA512

30fa4108697a1f80a3164318d953e585dee98965477e7dcbaf45d1e2194f648c0e4398ee55d3540b09897dfdbd934abed9c48141adddb41d1765109d7806320f

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

MsiExec.exe

flow pid process

5 1756 MsiExec.exe
7 1756 MsiExec.exe
9 1756 MsiExec.exe
11 1756 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

1756 MsiExec.exe
1756 MsiExec.exe

flow	pid	process
5	1756	MsiExec.exe
7	1756	MsiExec.exe
9	1756	MsiExec.exe
11	1756	MsiExec.exe

pid	process
1756	MsiExec.exe
1756	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\ãßìÉgÒßäÍßÜæñîàÚ.App.Refresh.System = "C:\\ProgramData\\Exported Files\\ãßìÉgÒßäÍßÜæñîàÚ.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)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	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\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
File created	C:\PROGRA~3\EXPORT~1\build1	MsiExec.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\MSI7CF.tmp	msiexec.exe
File created	C:\Windows\Installer\f740550.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA11.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f740550.ipi	msiexec.exe
File created	C:\Windows\Installer\f74054e.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f74054e.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI609.tmp	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1972 msiexec.exe
1972 msiexec.exe

pid	process
1972	msiexec.exe
1972	msiexec.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

msiexec.exemsiexec.exeshutdown.exe

description	pid	process
Token: SeShutdownPrivilege	776	msiexec.exe
Token: SeIncreaseQuotaPrivilege	776	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeSecurityPrivilege	1972	msiexec.exe
Token: SeCreateTokenPrivilege	776	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	776	msiexec.exe
Token: SeLockMemoryPrivilege	776	msiexec.exe
Token: SeIncreaseQuotaPrivilege	776	msiexec.exe
Token: SeMachineAccountPrivilege	776	msiexec.exe
Token: SeTcbPrivilege	776	msiexec.exe
Token: SeSecurityPrivilege	776	msiexec.exe
Token: SeTakeOwnershipPrivilege	776	msiexec.exe
Token: SeLoadDriverPrivilege	776	msiexec.exe
Token: SeSystemProfilePrivilege	776	msiexec.exe
Token: SeSystemtimePrivilege	776	msiexec.exe
Token: SeProfSingleProcessPrivilege	776	msiexec.exe
Token: SeIncBasePriorityPrivilege	776	msiexec.exe
Token: SeCreatePagefilePrivilege	776	msiexec.exe
Token: SeCreatePermanentPrivilege	776	msiexec.exe
Token: SeBackupPrivilege	776	msiexec.exe
Token: SeRestorePrivilege	776	msiexec.exe
Token: SeShutdownPrivilege	776	msiexec.exe
Token: SeDebugPrivilege	776	msiexec.exe
Token: SeAuditPrivilege	776	msiexec.exe
Token: SeSystemEnvironmentPrivilege	776	msiexec.exe
Token: SeChangeNotifyPrivilege	776	msiexec.exe
Token: SeRemoteShutdownPrivilege	776	msiexec.exe
Token: SeUndockPrivilege	776	msiexec.exe
Token: SeSyncAgentPrivilege	776	msiexec.exe
Token: SeEnableDelegationPrivilege	776	msiexec.exe
Token: SeManageVolumePrivilege	776	msiexec.exe
Token: SeImpersonatePrivilege	776	msiexec.exe
Token: SeCreateGlobalPrivilege	776	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeShutdownPrivilege	1544	shutdown.exe
Token: SeRemoteShutdownPrivilege	1544	shutdown.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe
Token: SeRestorePrivilege	1972	msiexec.exe
Token: SeTakeOwnershipPrivilege	1972	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

776 msiexec.exe
776 msiexec.exe

pid	process
776	msiexec.exe
776	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

msiexec.exeMsiExec.exe

description	pid	process	target process
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1972 wrote to memory of 1756	1972	msiexec.exe	MsiExec.exe
PID 1756 wrote to memory of 524	1756	MsiExec.exe	reg.exe
PID 1756 wrote to memory of 524	1756	MsiExec.exe	reg.exe
PID 1756 wrote to memory of 524	1756	MsiExec.exe	reg.exe
PID 1756 wrote to memory of 524	1756	MsiExec.exe	reg.exe
PID 1756 wrote to memory of 1544	1756	MsiExec.exe	shutdown.exe
PID 1756 wrote to memory of 1544	1756	MsiExec.exe	shutdown.exe
PID 1756 wrote to memory of 1544	1756	MsiExec.exe	shutdown.exe
PID 1756 wrote to memory of 1544	1756	MsiExec.exe	shutdown.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\XMLFC-NI_27.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:776

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:1972

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding AD348124898EE13CC1007DA7C2DD52DC
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\reg.exe
"C:\Windows\System32\reg.exe" ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "ãßìÉgÒßäÍßÜæñîàÚ.App.Refresh.System" /t REG_SZ /F /D "C:\ProgramData\Exported Files\ãßìÉgÒßäÍßÜæñîàÚ.App.Refresh.System.exe"
3⤵
- Adds Run key to start application
PID:524

C:\WINDOWS\SysWOW64\shutdown.exe
"C:\WINDOWS\system32\shutdown.exe" -r -t 1 -f
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1544

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:1888

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1760

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\MSI4033c.LOG
MD5
7dc429519b2ef5792646e41094301e8f

SHA1
bd74fb641dc43c524ac5f82eb65d7a7bafa4b575

SHA256
0ad438d527809fe7b2d920b0da0a62d78f84800597ff5bb31a885cf31c6b951f

SHA512
6c5cbecabd728fb48ff335b3058cdf7bd82c1e5a2cc0aa1d4e8fc526e42e27692ca577f5b7ec86fbb3b71f2f57a0dd5e676d6fc14ddfadda11010358c3ffc7f9

Download Submit
C:\Windows\Installer\MSI609.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
C:\Windows\Installer\MSI7CF.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI609.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
\Windows\Installer\MSI7CF.tmp
MD5
5c5bef05b6f3806106f8f3ce13401cc1

SHA1
6005fbe17f6e917ac45317552409d7a60976db14

SHA256
f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437

SHA512
97933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797

Download Submit
memory/524-13-0x0000000000000000-mapping.dmp

Download
memory/776-17-0x0000000002260000-0x0000000002264000-memory.dmp

Filesize
16KB

Download
memory/776-2-0x000007FEFBB61000-0x000007FEFBB63000-memory.dmp

Filesize
8KB

Download
memory/1516-12-0x000007FEF6200000-0x000007FEF647A000-memory.dmp

Filesize
2.5MB

Download
memory/1544-14-0x0000000000000000-mapping.dmp

Download
memory/1756-11-0x00000000008E0000-0x00000000008E2000-memory.dmp

Filesize
8KB

Download
memory/1756-6-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1756-5-0x0000000000000000-mapping.dmp

Download
memory/1760-19-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/1888-16-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2024-21-0x00000000027A0000-0x00000000027A1000-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