oski | 4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70

Analysis

Target

4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe
Size

224KB
MD5

1627230e72f02d43b9018b1f4a94dec0
SHA1

9e25ba88dde302b1e10d8b8983711c20bff07e4e
SHA256

4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70
SHA512

ac4f68e163b8fd253728614383dd67f3aa8ffc0a937086f358abc514e6a60e680848020a7094fc13bca94e92649b88c9d12751d3282330f6f44cc3a26b8d04ad

Score

10^/10

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

580 1808 WerFault.exe 4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe

pid	pid_target	process	target process
580	1808	WerFault.exe	4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe

description	pid	process	target process
PID 1808 wrote to memory of 580	1808	4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe	WerFault.exe
PID 1808 wrote to memory of 580	1808	4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe	WerFault.exe
PID 1808 wrote to memory of 580	1808	4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe	WerFault.exe
PID 1808 wrote to memory of 580	1808	4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe
"C:\Users\Admin\AppData\Local\Temp\4b6c775d7fb678a0ad13a1de72f95e3bb26364748cd152365bc57295e9eaea70.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 792
2⤵
- Program crash
PID:580

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Exfiltration

Command and Control

Impact

memory/580-55-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download