Analysis
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max time kernel
150s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
11-06-2022 23:40
Behavioral task
behavioral1
Sample
90ade22e45ff94d9e07b978bb745a5bd.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
90ade22e45ff94d9e07b978bb745a5bd.exe
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Size
4.5MB
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MD5
90ade22e45ff94d9e07b978bb745a5bd
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SHA1
0217c907fe8fc91dbdbfbdb3cbb94d0a482abb0e
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SHA256
b0b3cf6d05e09c3e051e0a0b653f194c3cafdde345bfd85e6364b3e26a7b6f00
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SHA512
f7a3fcad2828953d7f35fe9d38652f34b97829c4cc31ad1dc163fe5953790518df7cb329c4aebab98fd607af58f0f07ec423ec8f2e43fb57e9c79b24d814499b
Malware Config
Extracted
Family
recordbreaker
C2
http://5.252.22.62/
Signatures
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RecordBreaker
RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
90ade22e45ff94d9e07b978bb745a5bd.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 90ade22e45ff94d9e07b978bb745a5bd.exe -
Processes:
resource yara_rule behavioral2/memory/1404-130-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-131-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-136-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-137-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-138-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-140-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect behavioral2/memory/1404-142-0x0000000000D00000-0x0000000001723000-memory.dmp vmprotect -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
90ade22e45ff94d9e07b978bb745a5bd.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 90ade22e45ff94d9e07b978bb745a5bd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 90ade22e45ff94d9e07b978bb745a5bd.exe -
Processes:
resource yara_rule behavioral2/memory/1404-130-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-131-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-136-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-137-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-138-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-140-0x0000000000D00000-0x0000000001723000-memory.dmp themida behavioral2/memory/1404-142-0x0000000000D00000-0x0000000001723000-memory.dmp themida -
Processes:
90ade22e45ff94d9e07b978bb745a5bd.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 90ade22e45ff94d9e07b978bb745a5bd.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
90ade22e45ff94d9e07b978bb745a5bd.exepid Process 1404 90ade22e45ff94d9e07b978bb745a5bd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
90ade22e45ff94d9e07b978bb745a5bd.exepid Process 1404 90ade22e45ff94d9e07b978bb745a5bd.exe 1404 90ade22e45ff94d9e07b978bb745a5bd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\90ade22e45ff94d9e07b978bb745a5bd.exe"C:\Users\Admin\AppData\Local\Temp\90ade22e45ff94d9e07b978bb745a5bd.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 behavior: EnumeratesProcesses
PID:1404