Analysis
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max time kernel
35s -
max time network
38s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-03-2021 11:30
Behavioral task
behavioral1
Sample
XMLFC-NI_27.msi
Resource
win7v20201028
Behavioral task
behavioral2
Sample
XMLFC-NI_27.msi
Resource
win10v20201028
Errors
General
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Target
XMLFC-NI_27.msi
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Size
267KB
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MD5
3ba27f796d18104606b2f58744fb017c
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SHA1
cc253e24ab868e61419a78fc161a5546ce878bd6
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SHA256
e2eaa5496cb25b7d2866507d4fc494173588897b4d589b8322fc9635bac71e02
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SHA512
30fa4108697a1f80a3164318d953e585dee98965477e7dcbaf45d1e2194f648c0e4398ee55d3540b09897dfdbd934abed9c48141adddb41d1765109d7806320f
Malware Config
Signatures
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Blocklisted process makes network request 5 IoCs
Processes:
MsiExec.exeflow pid process 9 3008 MsiExec.exe 12 3008 MsiExec.exe 14 3008 MsiExec.exe 16 3008 MsiExec.exe 18 3008 MsiExec.exe -
Modifies WinLogon to allow AutoLogon 2 TTPs 1 IoCs
Enables rebooting of the machine without requiring login credentials.
Processes:
LogonUI.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoLogonChecked LogonUI.exe -
Loads dropped DLL 2 IoCs
Processes:
MsiExec.exepid process 3008 MsiExec.exe 3008 MsiExec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\åÉÚpÔpßåâäÅãnÑÐØ.App.Refresh.System = "C:\\ProgramData\\Exported Files\\åÉÚpÔpßåâäÅãnÑÐØ.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.
Processes:
msiexec.exemsiexec.exedescription ioc process File opened (read-only) \??\L: 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) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe -
Drops file in Windows directory 9 IoCs
Processes:
msiexec.exedescription ioc process File created C:\Windows\Installer\f745eee.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{187B873D-9E06-4065-A278-668510B1CE94} msiexec.exe File opened for modification C:\Windows\Installer\f745eee.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI5FD9.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI6807.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI6D67.tmp msiexec.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process 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\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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\ColorizationColor = "3288365271" 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\DWM\ColorizationGlassAttribute = "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\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 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
msiexec.exewlrmdr.exepid process 3832 msiexec.exe 3832 msiexec.exe 2012 wlrmdr.exe 2012 wlrmdr.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
msiexec.exemsiexec.exeshutdown.exedescription pid process Token: SeShutdownPrivilege 4692 msiexec.exe Token: SeIncreaseQuotaPrivilege 4692 msiexec.exe Token: SeSecurityPrivilege 3832 msiexec.exe Token: SeCreateTokenPrivilege 4692 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4692 msiexec.exe Token: SeLockMemoryPrivilege 4692 msiexec.exe Token: SeIncreaseQuotaPrivilege 4692 msiexec.exe Token: SeMachineAccountPrivilege 4692 msiexec.exe Token: SeTcbPrivilege 4692 msiexec.exe Token: SeSecurityPrivilege 4692 msiexec.exe Token: SeTakeOwnershipPrivilege 4692 msiexec.exe Token: SeLoadDriverPrivilege 4692 msiexec.exe Token: SeSystemProfilePrivilege 4692 msiexec.exe Token: SeSystemtimePrivilege 4692 msiexec.exe Token: SeProfSingleProcessPrivilege 4692 msiexec.exe Token: SeIncBasePriorityPrivilege 4692 msiexec.exe Token: SeCreatePagefilePrivilege 4692 msiexec.exe Token: SeCreatePermanentPrivilege 4692 msiexec.exe Token: SeBackupPrivilege 4692 msiexec.exe Token: SeRestorePrivilege 4692 msiexec.exe Token: SeShutdownPrivilege 4692 msiexec.exe Token: SeDebugPrivilege 4692 msiexec.exe Token: SeAuditPrivilege 4692 msiexec.exe Token: SeSystemEnvironmentPrivilege 4692 msiexec.exe Token: SeChangeNotifyPrivilege 4692 msiexec.exe Token: SeRemoteShutdownPrivilege 4692 msiexec.exe Token: SeUndockPrivilege 4692 msiexec.exe Token: SeSyncAgentPrivilege 4692 msiexec.exe Token: SeEnableDelegationPrivilege 4692 msiexec.exe Token: SeManageVolumePrivilege 4692 msiexec.exe Token: SeImpersonatePrivilege 4692 msiexec.exe Token: SeCreateGlobalPrivilege 4692 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeShutdownPrivilege 1548 shutdown.exe Token: SeRemoteShutdownPrivilege 1548 shutdown.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe Token: SeRestorePrivilege 3832 msiexec.exe Token: SeTakeOwnershipPrivilege 3832 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid process 4692 msiexec.exe 4692 msiexec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
wlrmdr.exeLogonUI.exepid process 2012 wlrmdr.exe 2352 LogonUI.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
msiexec.exeMsiExec.exedescription pid process target process PID 3832 wrote to memory of 3008 3832 msiexec.exe MsiExec.exe PID 3832 wrote to memory of 3008 3832 msiexec.exe MsiExec.exe PID 3832 wrote to memory of 3008 3832 msiexec.exe MsiExec.exe PID 3008 wrote to memory of 1316 3008 MsiExec.exe reg.exe PID 3008 wrote to memory of 1316 3008 MsiExec.exe reg.exe PID 3008 wrote to memory of 1316 3008 MsiExec.exe reg.exe PID 3008 wrote to memory of 1548 3008 MsiExec.exe shutdown.exe PID 3008 wrote to memory of 1548 3008 MsiExec.exe shutdown.exe PID 3008 wrote to memory of 1548 3008 MsiExec.exe shutdown.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\XMLFC-NI_27.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding EF07900B8A4FB25436A00396538EAE462⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exe"C:\Windows\System32\reg.exe" ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "åÉÚpÔpßåâäÅãnÑÐØ.App.Refresh.System" /t REG_SZ /F /D "C:\ProgramData\Exported Files\åÉÚpÔpßåâäÅãnÑÐØ.App.Refresh.System.exe"3⤵
- Adds Run key to start application
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C:\WINDOWS\SysWOW64\shutdown.exe"C:\WINDOWS\system32\shutdown.exe" -r -t 1 -f3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wlrmdr.exe-s -1 -f 2 -t You're about to be signed out -m Windows will shut down in less than a minute. -a 31⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3ad3855 /state1:0x41c64e6d1⤵
- Modifies WinLogon to allow AutoLogon
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MSI45a0c.LOGMD5
cf866ceca1b0fcd85c56e9f08d85c4ab
SHA18ca162419f5d91d7e5d423aab8ba41130c254e9c
SHA256c63b3c7238e1f6b899133cffb2e279f2a179c4ed90ebf51b6a90be43b8f05ee9
SHA51244f5cae3c40ba8bdc34435b429c28a1bd2169a5d63606e758437193ec685cc51e56d51d7c04bd1ae0bdb7083469ec20a2d0a3fe20545e15760daf2506c93cb48
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C:\Windows\Installer\MSI5FD9.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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C:\Windows\Installer\MSI6807.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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\Windows\Installer\MSI5FD9.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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\Windows\Installer\MSI6807.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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memory/1316-8-0x0000000000000000-mapping.dmp
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memory/1548-9-0x0000000000000000-mapping.dmp
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memory/3008-3-0x0000000000000000-mapping.dmp