Analysis
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max time kernel
66s -
max time network
180s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
23-06-2022 10:35
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
langs/Hungarian.ps1
Resource
win10-20220414-en
Behavioral task
behavioral3
Sample
langs/Korean.ps1
Resource
win10-20220414-en
General
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Target
Setup.exe
-
Size
464.7MB
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MD5
b957effe0c719182022ac9b46b043261
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SHA1
07d7157fc342bda8bc403e33b36df39361b60818
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SHA256
5693684f6c7ff150ef25bdc69eefd0ec9464839accf87ffa92644cd7e410f9f4
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SHA512
1ce8a85296602a71ded0b168fe762254292ff282a9e08abcec3dc4bae68ff7a8b790351538149d92892cdff971778384308779a282c1e6d884f64cb2011269ab
Malware Config
Extracted
recordbreaker
http://146.19.247.52/
http://77.91.102.115/
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:
Setup.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Setup.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.exe -
Processes:
resource yara_rule behavioral1/memory/2592-125-0x0000000001380000-0x0000000001ABB000-memory.dmp themida behavioral1/memory/2592-165-0x0000000001380000-0x0000000001ABB000-memory.dmp themida behavioral1/memory/2592-166-0x0000000001380000-0x0000000001ABB000-memory.dmp themida behavioral1/memory/2592-179-0x0000000001380000-0x0000000001ABB000-memory.dmp themida -
Processes:
Setup.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Setup.exepid Process 2592 Setup.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Setup.exepid Process 2592 Setup.exe 2592 Setup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.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:2592