Analysis
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max time kernel
148s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04-01-2024 22:04
Behavioral task
behavioral1
Sample
4204cc08265199def9a90a8401139adf.dll
Resource
win7-20231215-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
4204cc08265199def9a90a8401139adf.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
4204cc08265199def9a90a8401139adf.dll
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Size
316KB
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MD5
4204cc08265199def9a90a8401139adf
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SHA1
ba1a47f6131106145030c09620388d4f9e188de8
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SHA256
e7a8396f875706bb367572480a2fe01be5a70163659fa9478e72779d553bae99
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SHA512
4f354b4b021ba9ea364b61c55df59bfdef4bdf7e1072b29572478eab3f7ad0fc3ab6d24f4ea498da2fe6db9d362ce3632057a328caba66eded55f828d0297dcc
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SSDEEP
6144:VO7Ec2ccPvATdPsM2JSzwMxZS6VWxtoloBj5rbx:Q7vLGoZPs6NxZnVJ6Bj5rbx
Score
10/10
Malware Config
Extracted
Family
zloader
Attributes
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build_id
808400176
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Odcufao = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Bohufy\\dibu.dll,DllRegisterServer" msiexec.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 932 2760 rundll32.exe 31 -
Program crash 1 IoCs
pid pid_target Process procid_target 1640 2760 WerFault.exe 28 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSecurityPrivilege 932 msiexec.exe Token: SeSecurityPrivilege 932 msiexec.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2040 wrote to memory of 2760 2040 rundll32.exe 28 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 932 2760 rundll32.exe 31 PID 2760 wrote to memory of 1640 2760 rundll32.exe 32 PID 2760 wrote to memory of 1640 2760 rundll32.exe 32 PID 2760 wrote to memory of 1640 2760 rundll32.exe 32 PID 2760 wrote to memory of 1640 2760 rundll32.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4204cc08265199def9a90a8401139adf.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4204cc08265199def9a90a8401139adf.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 2083⤵
- Program crash
PID:1640
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