Analysis
- max time kernel
120s - max time network
128s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
02/01/2022, 01:55
Static task
static1
Behavioral task
behavioral1
Sample
93d5989cccd8dfe241fc31d015feffb8.exe
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target 93d5989cccd8dfe241fc31d015feffb8.exe
- Size 1002KB
- Sample220102-cb55fsgegk
- SHA256 bf61054635df07cc063ce79384223d14e783bdbe6521f6a5eeb93c309c739d06
- MD5 93d5989cccd8dfe241fc31d015feffb8
- SHA1 b33b11c36b6fffd41aaa864e57eaf4a3f78cb61d
- SHA512 4eef2907711753391aa35a06d80a294e4d87174d47e63483b9890304a6583f13abfca38183e1979467926ff90f4b9f67fccffd26c028e7e063ee7d5e3920da41
- MD5 SHA1 SHA512
Malware Config
Signatures
- 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3652 set thread context of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4244 RegAsm.exe 4244 RegAsm.exe 4244 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4244 RegAsm.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69 PID 3652 wrote to memory of 4244 3652 93d5989cccd8dfe241fc31d015feffb8.exe 69
Processes
-
C:\Users\Admin\AppData\Local\Temp\93d5989cccd8dfe241fc31d015feffb8.exe"C:\Users\Admin\AppData\Local\Temp\93d5989cccd8dfe241fc31d015feffb8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe#cmd2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4244
-