Analysis
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max time kernel
49s -
max time network
110s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
b1a1232062d4848c381287ae367849ce2a04d159786c0a5b52916239fc304973.dll
Resource
win10-20220812-en
5 signatures
150 seconds
General
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Target
b1a1232062d4848c381287ae367849ce2a04d159786c0a5b52916239fc304973.dll
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Size
818KB
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MD5
74ecf57ab7ed91f42f85e14e90ef9e65
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SHA1
4039c889a5c1fbf5018816699389bf73889c6f87
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SHA256
b1a1232062d4848c381287ae367849ce2a04d159786c0a5b52916239fc304973
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SHA512
18ca48a39688a6dbe2a5b9e2b7e38e0e98472a4fb8691ab30424917d446b15ae65b6e93ec3ac3666962faa76e0c6b2b4c8513a5b213a603c527041f18ac6de3a
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SSDEEP
12288:NdewIvxiRO9n6DPBt9bu8X+L81JcZl1rEx48/2aS4/2YX:NYwIvxFMXn+L8zcZ7rKwC2Y
Score
10/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lCDQzaTWTEFn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WnmSGVRc\\lCDQzaTWTEFn.dll\"" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3004 regsvr32.exe 3004 regsvr32.exe 1004 regsvr32.exe 1004 regsvr32.exe 1004 regsvr32.exe 1004 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3004 regsvr32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3004 wrote to memory of 1004 3004 regsvr32.exe 66 PID 3004 wrote to memory of 1004 3004 regsvr32.exe 66
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b1a1232062d4848c381287ae367849ce2a04d159786c0a5b52916239fc304973.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\WnmSGVRc\lCDQzaTWTEFn.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1004
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