Analysis
- max time kernel
75s - max time network
104s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/01/2021, 07:41
General
- Target COO_TPE0269320_image2020-12-31-055841.scr
- Size 1.0MB
- Sample210106-xkn7r4qehs
- SHA256 7432ea3b561da4e75f3e81b511b0a2b4d9f9d63e293fd1babd22b20c1b27db3c
Malware Config
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- Loads dropped DLL 6 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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.
- JavaScript code in executable 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\COO_TPE0269320_image2020-12-31-055841.scr"C:\Users\Admin\AppData\Local\Temp\COO_TPE0269320_image2020-12-31-055841.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\COO_TPE0269320_image2020-12-31-055841.scr"C:\Users\Admin\AppData\Local\Temp\COO_TPE0269320_image2020-12-31-055841.scr"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\COO_TPE0269320_image2020-12-31-055841.scr"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK4⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/560-13-0x0000000000400000-0x0000000000494000-memory.dmp
memory/560-15-0x0000000000400000-0x0000000000494000-memory.dmp
memory/4760-9-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/4760-2-0x00000000732D0000-0x00000000739BE000-memory.dmp
memory/4760-10-0x0000000004B50000-0x0000000004B62000-memory.dmp
memory/4760-8-0x00000000049E0000-0x00000000049E1000-memory.dmp
memory/4760-7-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/4760-6-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/4760-5-0x0000000004A00000-0x0000000004A01000-memory.dmp
memory/4760-3-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/4760-12-0x0000000005A90000-0x0000000005B24000-memory.dmp
memory/4760-11-0x0000000005890000-0x0000000005945000-memory.dmp