29ac2e0d0a5ced71cbbbbca2b01ae299d9f39af646e494675cedec3777284260

Reason

Machine shutdown

General

Target

bd8cf47c7fc24765266f7cd9c0ec2216.exe
Size

486KB
MD5

bd8cf47c7fc24765266f7cd9c0ec2216
SHA1

94c98df945d8dec7c272af1ee4a9f52cb721690a
SHA256

29ac2e0d0a5ced71cbbbbca2b01ae299d9f39af646e494675cedec3777284260
SHA512

72a220ec71c6abcac2c9bef552de154fccb88cef23580122d75b5f7cf438efb3cbe2105b3534e1d630616cc6bda20686c5926324ab8144b3629af4b319e1d649
SSDEEP

12288:6zcRD02J4Sq2vHGB67KWKKmD68qLz05hEQVJsOmzxDB:4cRToImoAW8KIOHl

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bd8cf47c7fc24765266f7cd9c0ec2216.exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bd8cf47c7fc24765266f7cd9c0ec2216.exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bd8cf47c7fc24765266f7cd9c0ec2216.exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bd8cf47c7fc24765266f7cd9c0ec2216.exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Disables Task Manager via registry modification
evasion

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ja.lnk	bd8cf47c7fc24765266f7cd9c0ec2216.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2660-0-0x0000000000400000-0x00000000004E0000-memory.dmp	upx
behavioral1/memory/2660-22-0x0000000000400000-0x00000000004E0000-memory.dmp	upx
behavioral1/memory/2660-23-0x0000000000400000-0x00000000004E0000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2660-22-0x0000000000400000-0x00000000004E0000-memory.dmp	autoit_exe
behavioral1/memory/2660-23-0x0000000000400000-0x00000000004E0000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe
2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe
2660	bd8cf47c7fc24765266f7cd9c0ec2216.exe

System policy modification 1 TTPs 8 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDesktop = "1"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations\DefaultFileTypeRisk = "1807"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations\LowRiskFileTypes = ".exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations\ModRiskFileTypes = ".doc;.pdf;.xls;.exe"	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	bd8cf47c7fc24765266f7cd9c0ec2216.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoViewContextMenu = "1"	bd8cf47c7fc24765266f7cd9c0ec2216.exe

C:\Users\Admin\AppData\Local\Temp\bd8cf47c7fc24765266f7cd9c0ec2216.exe
"C:\Users\Admin\AppData\Local\Temp\bd8cf47c7fc24765266f7cd9c0ec2216.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Drops startup file
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2660

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2576

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

5

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1140-25-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/2576-24-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/2660-0-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/2660-2-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/2660-22-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/2660-23-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads