Analysis
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max time kernel
23s -
max time network
22s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-03-2021 03:32
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 8 2292 MsiExec.exe 14 2292 MsiExec.exe 16 2292 MsiExec.exe 18 2292 MsiExec.exe 20 2292 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 2292 MsiExec.exe 2292 MsiExec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\ØÑãÐÇÎÚeÏáÔÖÌÚuà.App.Refresh.System = "C:\\ProgramData\\Exported Files\\ØÑãÐÇÎÚeÏáÔÖÌÚuà.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) \??\P: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe -
Drops file in Windows directory 9 IoCs
Processes:
msiexec.exedescription ioc process File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI7C7A.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\f74797b.msi msiexec.exe File opened for modification C:\Windows\Installer\f74797b.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI79F8.tmp 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\MSI7D46.tmp msiexec.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" 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\Themes\History\AutoColor = "0" 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "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\ColorizationGlassAttribute = "1" 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\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\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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
msiexec.exewlrmdr.exepid process 2832 msiexec.exe 2832 msiexec.exe 2072 wlrmdr.exe 2072 wlrmdr.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
msiexec.exemsiexec.exeshutdown.exedescription pid process Token: SeShutdownPrivilege 1316 msiexec.exe Token: SeIncreaseQuotaPrivilege 1316 msiexec.exe Token: SeSecurityPrivilege 2832 msiexec.exe Token: SeCreateTokenPrivilege 1316 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1316 msiexec.exe Token: SeLockMemoryPrivilege 1316 msiexec.exe Token: SeIncreaseQuotaPrivilege 1316 msiexec.exe Token: SeMachineAccountPrivilege 1316 msiexec.exe Token: SeTcbPrivilege 1316 msiexec.exe Token: SeSecurityPrivilege 1316 msiexec.exe Token: SeTakeOwnershipPrivilege 1316 msiexec.exe Token: SeLoadDriverPrivilege 1316 msiexec.exe Token: SeSystemProfilePrivilege 1316 msiexec.exe Token: SeSystemtimePrivilege 1316 msiexec.exe Token: SeProfSingleProcessPrivilege 1316 msiexec.exe Token: SeIncBasePriorityPrivilege 1316 msiexec.exe Token: SeCreatePagefilePrivilege 1316 msiexec.exe Token: SeCreatePermanentPrivilege 1316 msiexec.exe Token: SeBackupPrivilege 1316 msiexec.exe Token: SeRestorePrivilege 1316 msiexec.exe Token: SeShutdownPrivilege 1316 msiexec.exe Token: SeDebugPrivilege 1316 msiexec.exe Token: SeAuditPrivilege 1316 msiexec.exe Token: SeSystemEnvironmentPrivilege 1316 msiexec.exe Token: SeChangeNotifyPrivilege 1316 msiexec.exe Token: SeRemoteShutdownPrivilege 1316 msiexec.exe Token: SeUndockPrivilege 1316 msiexec.exe Token: SeSyncAgentPrivilege 1316 msiexec.exe Token: SeEnableDelegationPrivilege 1316 msiexec.exe Token: SeManageVolumePrivilege 1316 msiexec.exe Token: SeImpersonatePrivilege 1316 msiexec.exe Token: SeCreateGlobalPrivilege 1316 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeRestorePrivilege 2832 msiexec.exe Token: SeTakeOwnershipPrivilege 2832 msiexec.exe Token: SeShutdownPrivilege 352 shutdown.exe Token: SeRemoteShutdownPrivilege 352 shutdown.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid process 1316 msiexec.exe 1316 msiexec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
wlrmdr.exeLogonUI.exepid process 2072 wlrmdr.exe 3176 LogonUI.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
msiexec.exeMsiExec.exedescription pid process target process PID 2832 wrote to memory of 2292 2832 msiexec.exe MsiExec.exe PID 2832 wrote to memory of 2292 2832 msiexec.exe MsiExec.exe PID 2832 wrote to memory of 2292 2832 msiexec.exe MsiExec.exe PID 2292 wrote to memory of 3972 2292 MsiExec.exe reg.exe PID 2292 wrote to memory of 3972 2292 MsiExec.exe reg.exe PID 2292 wrote to memory of 3972 2292 MsiExec.exe reg.exe PID 2292 wrote to memory of 352 2292 MsiExec.exe shutdown.exe PID 2292 wrote to memory of 352 2292 MsiExec.exe shutdown.exe PID 2292 wrote to memory of 352 2292 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 80D3853DBE978B8E6CEEABF69DB6E4CB2⤵
- 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 "ØÑãÐÇÎÚeÏáÔÖÌÚuà.App.Refresh.System" /t REG_SZ /F /D "C:\ProgramData\Exported Files\ØÑãÐÇÎÚeÏáÔÖÌÚuà.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 /state0:0xa3ad1055 /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\MSI4769d.LOGMD5
6fc9a56c169bfc6a1f8d1f3584c60dcc
SHA1116bbdf739008b30e113a5fb05ebfb6e48903ee5
SHA2567dff9dcc01514c70f2a2c2878c7caed5b1e4dda6b4f5283401f2e17c67557af3
SHA512959335eabfb4c266f9266bb6146cd178b27d52d72938b0cf6ee0b27771c5b9591e2071aca43823a33b314b710fa126faafe870a9330374b491b176974ba87479
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C:\Windows\Installer\MSI79F8.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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C:\Windows\Installer\MSI7C7A.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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\Windows\Installer\MSI79F8.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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\Windows\Installer\MSI7C7A.tmpMD5
5c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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memory/352-9-0x0000000000000000-mapping.dmp
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memory/2292-3-0x0000000000000000-mapping.dmp
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memory/3972-8-0x0000000000000000-mapping.dmp