Analysis
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max time kernel
128s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2023 20:54
Behavioral task
behavioral1
Sample
03bdbb249e6841eec5c2f0f5b775a048.exe
Resource
win7-20231215-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
03bdbb249e6841eec5c2f0f5b775a048.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
03bdbb249e6841eec5c2f0f5b775a048.exe
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Size
1.6MB
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MD5
03bdbb249e6841eec5c2f0f5b775a048
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SHA1
807773694242faa68f2d820aae54752b218f2e83
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SHA256
883ea30ab5b21c5a53fdd90726fcf14512d1c82890c512a94eecf17185d9e31a
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SHA512
e8722c1dd2301f5ab2227cc232746529c5b94b1667a01babdf60a0a614795cc3379ae97c79fffab352835a4ac8066ea6a58d5b6c649097ba88ead23ac8440c09
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SSDEEP
49152:RFrpyKOU5s5b6sdteQOHxol2DrYolwuUNlpYx8+:nrSlbNQJHU2/7/k7Yx8+
Score
7/10
Malware Config
Signatures
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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-1-5-21-996941297-2279405024-2328152752-1000\Software\Wine 03bdbb249e6841eec5c2f0f5b775a048.exe -
resource yara_rule behavioral2/memory/4772-0-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-1-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-4-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-5-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-6-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-8-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-9-0x0000000000400000-0x00000000006D6000-memory.dmp themida behavioral2/memory/4772-10-0x0000000000400000-0x00000000006D6000-memory.dmp themida -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Persistence ! System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03bdbb249e6841eec5c2f0f5b775a048.exe" 03bdbb249e6841eec5c2f0f5b775a048.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Persistence ! System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\03bdbb249e6841eec5c2f0f5b775a048.exe" 03bdbb249e6841eec5c2f0f5b775a048.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4772 03bdbb249e6841eec5c2f0f5b775a048.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4768 4772 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4772 03bdbb249e6841eec5c2f0f5b775a048.exe 4772 03bdbb249e6841eec5c2f0f5b775a048.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4772 03bdbb249e6841eec5c2f0f5b775a048.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\03bdbb249e6841eec5c2f0f5b775a048.exe"C:\Users\Admin\AppData\Local\Temp\03bdbb249e6841eec5c2f0f5b775a048.exe"1⤵
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:4772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 17082⤵
- Program crash
PID:4768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4772 -ip 47721⤵PID:3676