oski | bef42b4bb33bf2edb112d4e084df6e7aaad37b429b00ac783b9fe14eb08ac3f6

System Information Discovery

Processes:

8325e7768964ebee192622a378e7f28f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8325e7768964ebee192622a378e7f28f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8325e7768964ebee192622a378e7f28f.exe

Loads dropped DLL 3 IoCs

Processes:

8325e7768964ebee192622a378e7f28f.exe

pid process

2116 8325e7768964ebee192622a378e7f28f.exe
2116 8325e7768964ebee192622a378e7f28f.exe
2116 8325e7768964ebee192622a378e7f28f.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
2116	8325e7768964ebee192622a378e7f28f.exe
2116	8325e7768964ebee192622a378e7f28f.exe
2116	8325e7768964ebee192622a378e7f28f.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

8325e7768964ebee192622a378e7f28f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8325e7768964ebee192622a378e7f28f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	8325e7768964ebee192622a378e7f28f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8325e7768964ebee192622a378e7f28f.exe

description pid process target process

PID 4020 set thread context of 2116 4020 8325e7768964ebee192622a378e7f28f.exe 8325e7768964ebee192622a378e7f28f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 4020 set thread context of 2116	4020	8325e7768964ebee192622a378e7f28f.exe	8325e7768964ebee192622a378e7f28f.exe

Checks processor information in registry 2 TTPs 1 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

8325e7768964ebee192622a378e7f28f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8325e7768964ebee192622a378e7f28f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2544 taskkill.exe

pid	process
2544	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

8325e7768964ebee192622a378e7f28f.exe

pid	process
4020	8325e7768964ebee192622a378e7f28f.exe
4020	8325e7768964ebee192622a378e7f28f.exe
4020	8325e7768964ebee192622a378e7f28f.exe
4020	8325e7768964ebee192622a378e7f28f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

8325e7768964ebee192622a378e7f28f.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 4020 8325e7768964ebee192622a378e7f28f.exe
Token: SeDebugPrivilege 2544 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4020	8325e7768964ebee192622a378e7f28f.exe
Token: SeDebugPrivilege	2544	taskkill.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

8325e7768964ebee192622a378e7f28f.exe8325e7768964ebee192622a378e7f28f.execmd.exe

C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe
"C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4020

C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe
"C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe"
2⤵
PID:4036

C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe
"C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe"
2⤵
PID:2032

C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe
"C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 2116 & erase C:\Users\Admin\AppData\Local\Temp\8325e7768964ebee192622a378e7f28f.exe & RD /S /Q C:\\ProgramData\\176971493033401\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 2116
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2544

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

6

Virtualization/Sandbox Evasion

T1497

System Information Discovery

4

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System