Analysis
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max time kernel
7s -
max time network
25s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 11:15
Behavioral task
behavioral1
Sample
Akira (NEWEST).exe
Resource
win7-20240221-en
5 signatures
150 seconds
General
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Target
Akira (NEWEST).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
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Akira (NEWEST).exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Akira (NEWEST).exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Akira (NEWEST).exe -
resource yara_rule behavioral2/memory/4960-0-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-1-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-2-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-3-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-4-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-5-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-6-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-7-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-8-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida behavioral2/memory/4960-9-0x00007FF7CB5F0000-0x00007FF7CC195000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Akira (NEWEST).exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4960 wrote to memory of 4660 4960 Akira (NEWEST).exe 94 PID 4960 wrote to memory of 4660 4960 Akira (NEWEST).exe 94 PID 4660 wrote to memory of 3732 4660 cmd.exe 95 PID 4660 wrote to memory of 3732 4660 cmd.exe 95 PID 4660 wrote to memory of 2304 4660 cmd.exe 96 PID 4660 wrote to memory of 2304 4660 cmd.exe 96 PID 4660 wrote to memory of 2096 4660 cmd.exe 97 PID 4660 wrote to memory of 2096 4660 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\Akira (NEWEST).exe"C:\Users\Admin\AppData\Local\Temp\Akira (NEWEST).exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Akira (NEWEST).exe" MD5 | find /i /v "md5" | find /i /v "certutil"2⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\system32\certutil.execertutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Akira (NEWEST).exe" MD53⤵PID:3732
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C:\Windows\system32\find.exefind /i /v "md5"3⤵PID:2304
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C:\Windows\system32\find.exefind /i /v "certutil"3⤵PID:2096
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