7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee

Reason

Machine shutdown

General

Target

7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Size

96KB
MD5

8b7998d0f4236f4d0bb2c145a27fcf77
SHA1

72a366ce17c86fae0ffe25411f11a6704637f454
SHA256

7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee
SHA512

5ee0e46758a9142debbcb35dc1701c319651d0d4061867f11ce5fd50032cafe109cdec96b476e9aec84d5eaa718d98eb47d35437cdb6b988facb70ec3eca574f
SSDEEP

1536:7mGuD0/OD6fctEwAynAnOQjbQokSrHPHvFHJR+ltYGpMPkjBBPZW8HaYD2BzyAoP:6GlctCDQpSrHvvFHJRP3QBPZW8HhD2Bq

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wscntfy.exe	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
File opened for modification	C:\Windows\SysWOW64\wscntfy.exe	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

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

System Information Discovery
T1082

Modifies Internet Explorer Phishing Filter 1 TTPs 4 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PhishingFilter	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\PhishingFilter	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\PhishingFilter	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1768	shutdown.exe
Token: SeRemoteShutdownPrivilege	1768	shutdown.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1768	1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe	28
PID 1608 wrote to memory of 1768	1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe	28
PID 1608 wrote to memory of 1768	1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe	28
PID 1608 wrote to memory of 1768	1608	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe	28

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe

C:\Users\Admin\AppData\Local\Temp\7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe
"C:\Users\Admin\AppData\Local\Temp\7defc8cea1f8ee830e1985c78728051534456daf78b229fcf6566ff3ce9d32ee.exe"
1⤵
- Modifies firewall policy service
- UAC bypass
- Checks whether UAC is enabled
- Drops file in System32 directory
- Modifies Internet Explorer Phishing Filter
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1608
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" -r -f -t 10
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1768

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1680

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1608-57-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1680-59-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads