Analysis
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max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
11/01/2024, 20:22
Behavioral task
behavioral1
Sample
53c83969ab7b6714be89029030823db0.exe
Resource
win7-20231129-en
General
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Target
53c83969ab7b6714be89029030823db0.exe
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Size
836KB
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MD5
53c83969ab7b6714be89029030823db0
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SHA1
a7ac182f25b13b768bae2d896ee64ffc655373b6
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SHA256
c8f4b0a7405c3aab922288abe6eb4c48ef5e61f4bd9fa60b300b95a3329338f4
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SHA512
abcdfa5285e1d2657e6f194a2653231fb414e167d42559f0a7f71cb397eb4948c7665a724e1dc2f2add9f0965042bdfaa21d90225147fbb9564e046573377f82
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SSDEEP
24576:/WkfHcLVs74ECI3BmVq4l1KUuub0m1ByvKwWIeJs15aQ:/v8LVE4PIcl1KUkmDyvUpJSMQ
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 53c83969ab7b6714be89029030823db0.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine 53c83969ab7b6714be89029030823db0.exe -
resource yara_rule behavioral1/memory/2040-0-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-2-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-6-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-7-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-8-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-9-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-10-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-11-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-12-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-13-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-14-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-15-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-16-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-17-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-18-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-19-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-20-0x0000000000400000-0x00000000005D9000-memory.dmp themida behavioral1/memory/2040-21-0x0000000000400000-0x00000000005D9000-memory.dmp themida -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 53c83969ab7b6714be89029030823db0.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2040 53c83969ab7b6714be89029030823db0.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe 53c83969ab7b6714be89029030823db0.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2040 53c83969ab7b6714be89029030823db0.exe 2040 53c83969ab7b6714be89029030823db0.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2040 53c83969ab7b6714be89029030823db0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2040 53c83969ab7b6714be89029030823db0.exe Token: SeShutdownPrivilege 2040 53c83969ab7b6714be89029030823db0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2040 53c83969ab7b6714be89029030823db0.exe -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 53c83969ab7b6714be89029030823db0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 53c83969ab7b6714be89029030823db0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\53c83969ab7b6714be89029030823db0.exe"C:\Users\Admin\AppData\Local\Temp\53c83969ab7b6714be89029030823db0.exe"1⤵
- UAC bypass
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2040
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1