Analysis
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max time kernel
38s -
max time network
102s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
16-03-2023 18:27
Behavioral task
behavioral1
Sample
Akira.exe
Resource
win10-20230220-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
Akira.exe
Resource
win7-20230220-en
6 signatures
150 seconds
General
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Target
Akira.exe
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Size
5.1MB
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MD5
47feab24e4a7a088fcac9a7067cbf318
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SHA1
bbe0dcbe7eb3d0fa19b4afb5edff51b7066ec45d
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SHA256
53285fb142e48bd1a568509c8997067370ac4578b3c92d8c3bc75ecdebc2915f
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SHA512
6b3b0e289d06839cfd32327dfa1795368601a789c3dc2a0db9f0cce01001a28a584d5c26ce4e46e9002626a1f3ba318e038578e86f00cff489956aace8b419aa
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SSDEEP
98304:KxNeg5VPsVXSfJHbM+A+PoudLZ1uRhkuoxa4kReiX2+jli:TgTZhHbFddNZ1kroxacUbBi
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
Akira.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Akira.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Akira.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Akira.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Akira.exe -
Processes:
resource yara_rule behavioral2/memory/1132-54-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-55-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-56-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-57-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-58-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-59-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-60-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-61-0x000000013F420000-0x000000013FFC5000-memory.dmp themida behavioral2/memory/1132-62-0x000000013F420000-0x000000013FFC5000-memory.dmp themida -
Processes:
Akira.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Akira.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Akira.exepid process 1132 Akira.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Akira.execmd.exedescription pid process target process PID 1132 wrote to memory of 1960 1132 Akira.exe cmd.exe PID 1132 wrote to memory of 1960 1132 Akira.exe cmd.exe PID 1132 wrote to memory of 1960 1132 Akira.exe cmd.exe PID 1960 wrote to memory of 1888 1960 cmd.exe certutil.exe PID 1960 wrote to memory of 1888 1960 cmd.exe certutil.exe PID 1960 wrote to memory of 1888 1960 cmd.exe certutil.exe PID 1960 wrote to memory of 1624 1960 cmd.exe find.exe PID 1960 wrote to memory of 1624 1960 cmd.exe find.exe PID 1960 wrote to memory of 1624 1960 cmd.exe find.exe PID 1960 wrote to memory of 976 1960 cmd.exe find.exe PID 1960 wrote to memory of 976 1960 cmd.exe find.exe PID 1960 wrote to memory of 976 1960 cmd.exe find.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Akira.exe"C:\Users\Admin\AppData\Local\Temp\Akira.exe"1⤵
- 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\system32\cmd.exeC:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Akira.exe" MD5 | find /i /v "md5" | find /i /v "certutil"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\certutil.execertutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Akira.exe" MD53⤵
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C:\Windows\system32\find.exefind /i /v "md5"3⤵
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C:\Windows\system32\find.exefind /i /v "certutil"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1132-54-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-55-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-56-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-57-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-58-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-59-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-60-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-61-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB
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memory/1132-62-0x000000013F420000-0x000000013FFC5000-memory.dmpFilesize
11.6MB