Analysis
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max time kernel
19s -
max time network
18s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 13:44
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe
Resource
win7v20201028
General
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Target
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe
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Size
5.1MB
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MD5
7944dba0e2f775e78ea960caccd0b37a
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SHA1
3e262dd3efe917394cb2fab5bc10444d5980ae45
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SHA256
fb8a2b78f0d3139d8192dbeb925e8e8d13bf370540f2c7853107a8e4b3beac38
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SHA512
b2bcecbf6a5218b8fa667c2ada79743b1fe61f3f833356a5ea7df71dec5c5ece1f409b76bc8314bc84953cc1dc250a3c5a7716044a4d08ea8d64a6da53982afe
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1888-7-0x0000000002E70000-0x0000000002E99000-memory.dmp family_redline behavioral1/memory/1888-8-0x0000000002FB0000-0x0000000002FD8000-memory.dmp family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral1/memory/1888-3-0x0000000000400000-0x0000000000ED5000-memory.dmp themida -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exepid process 1888 SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exepid process 1888 SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SecuriteInfo.com.Variant.Bulz.392162.30748.358.exedescription pid process Token: SeDebugPrivilege 1888 SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.392162.30748.358.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1888-2-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
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memory/1888-3-0x0000000000400000-0x0000000000ED5000-memory.dmpFilesize
10.8MB
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memory/1888-4-0x0000000000401000-0x000000000041B000-memory.dmpFilesize
104KB
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memory/1888-5-0x0000000002D00000-0x0000000002D11000-memory.dmpFilesize
68KB
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memory/1888-6-0x00000000742A0000-0x000000007498E000-memory.dmpFilesize
6.9MB
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memory/1888-7-0x0000000002E70000-0x0000000002E99000-memory.dmpFilesize
164KB
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memory/1888-8-0x0000000002FB0000-0x0000000002FD8000-memory.dmpFilesize
160KB
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memory/1888-9-0x00000000054A1000-0x00000000054A2000-memory.dmpFilesize
4KB
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memory/1888-10-0x00000000054A2000-0x00000000054A3000-memory.dmpFilesize
4KB
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memory/1888-11-0x00000000054A3000-0x00000000054A4000-memory.dmpFilesize
4KB
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memory/1888-12-0x00000000054A4000-0x00000000054A6000-memory.dmpFilesize
8KB