Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-07-2022 06:45
Static task
static1
Behavioral task
behavioral1
Sample
akbniwuioi.dll
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
akbniwuioi.dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
ax478z8r870t8601f4w796uc0ggg.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
ax478z8r870t8601f4w796uc0ggg.exe
Resource
win10v2004-20220414-en
General
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Target
akbniwuioi.dll
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Size
14.8MB
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MD5
3115421f75bd8bd9040584df66224088
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SHA1
d8c766ff795a9debdc63a29a8b31374d97b5ab21
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SHA256
964c0163ba31f0c703efc7d449a6a51c569624f540bef6df11cf6d1215b828fa
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SHA512
65e14c372ac2158e94e808bc098f7195dbe1d6e8f0e7813708841d0999a2ca901448dc037f0779007efb6a153fb42065dd3a1151fa6afe573bbe91df188fb05a
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/112-57-0x0000000002290000-0x00000000038B9000-memory.dmp themida behavioral1/memory/112-58-0x0000000002290000-0x00000000038B9000-memory.dmp themida behavioral1/memory/112-59-0x0000000002290000-0x00000000038B9000-memory.dmp themida -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 112 rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1672 112 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 2024 wrote to memory of 112 2024 rundll32.exe rundll32.exe PID 112 wrote to memory of 1672 112 rundll32.exe WerFault.exe PID 112 wrote to memory of 1672 112 rundll32.exe WerFault.exe PID 112 wrote to memory of 1672 112 rundll32.exe WerFault.exe PID 112 wrote to memory of 1672 112 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\akbniwuioi.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\akbniwuioi.dll,#12⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 112 -s 3243⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/112-54-0x0000000000000000-mapping.dmp
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memory/112-55-0x0000000076011000-0x0000000076013000-memory.dmpFilesize
8KB
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memory/112-56-0x00000000779C0000-0x0000000077B40000-memory.dmpFilesize
1.5MB
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memory/112-57-0x0000000002290000-0x00000000038B9000-memory.dmpFilesize
22.2MB
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memory/112-58-0x0000000002290000-0x00000000038B9000-memory.dmpFilesize
22.2MB
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memory/112-59-0x0000000002290000-0x00000000038B9000-memory.dmpFilesize
22.2MB
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memory/112-61-0x00000000779C0000-0x0000000077B40000-memory.dmpFilesize
1.5MB
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memory/1672-60-0x0000000000000000-mapping.dmp