Analysis
- max time kernel
43s - max time network
47s - platform
windows7_x64 - resource
win7-20220414-en - submitted
05/07/2022, 12:42
General
- Target 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b.exe
- Size 505KB
- Sample220705-pxvxtsbbe9
- SHA256 8a4a1fe09544dacd804d0c2bb183850d628274a7e0dc9ea2bb6860d7a75bf61b
Malware Config
Extracted
-
coldstealer
-
l2
-
http://realacademicmediausa.com/
Signatures
- Cold Stealer
An info stealer written in C#, first seen in Feb 2022.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
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
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/784-54-0x0000000075701000-0x0000000075703000-memory.dmp
memory/784-55-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/784-56-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/784-57-0x0000000001D70000-0x0000000001D9A000-memory.dmp
memory/784-63-0x0000000000220000-0x000000000023A000-memory.dmp
memory/784-64-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/784-65-0x0000000001D10000-0x0000000001D4B000-memory.dmp
memory/784-66-0x0000000001D70000-0x0000000001D9A000-memory.dmp
memory/784-67-0x0000000001D70000-0x0000000001D9A000-memory.dmp