Analysis
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max time kernel
43s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
05-07-2022 12:42
Static task
static1
Behavioral task
behavioral1
Sample
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe
Resource
win10v2004-20220414-en
General
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Target
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe
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Size
505KB
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MD5
a48f8e50e74b3792eeaffc6d25ca0080
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SHA1
37b5e5a237164f304e960a82a3e8ce561d71c02d
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SHA256
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b
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SHA512
e43010c9a0c35e7bdecd2bcdb40ad115697e09bf6922dc2c4a2421e30313fa5aded5babc72a6cbac874c304f629d511adcfa4053b2b88142272678f6d03d4030
Malware Config
Extracted
coldstealer
l2
http://realacademicmediausa.com/
Signatures
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Cold Stealer
An info stealer written in C#, first seen in Feb 2022.
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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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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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exepid process 784 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exedescription pid process Token: SeDebugPrivilege 784 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe"C:\Users\Admin\AppData\Local\Temp\8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:784