oski | 315c52da5e4e63b6f1fe534bb94c092ca45280408854c23abbf23697ddd2e406

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-03-2023 00:26

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General

Target

315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe
Size

200KB
MD5

d3287d935adf25f31d05f9b9e949e3e6
SHA1

fd37221e82f5cc8ecba3eb1767e6ae1f29cee8db
SHA256

315c52da5e4e63b6f1fe534bb94c092ca45280408854c23abbf23697ddd2e406
SHA512

125fc90510ded9092bfc4d3bee466ad17e2d78f49cbe1cd5a32b6947ad870432e856a0a461ca53a6088a1844055636b0de91fabce8fe2c0088c9be91cba82f94
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIg1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNJ1Ljo3c

Score

10^/10

oski infostealer spyware stealer

Malware Config

Signatures

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

828 1320 WerFault.exe 315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe

pid	pid_target	process	target process
828	1320	WerFault.exe	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe

description	pid	process	target process
PID 1320 wrote to memory of 828	1320	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	WerFault.exe
PID 1320 wrote to memory of 828	1320	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	WerFault.exe
PID 1320 wrote to memory of 828	1320	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	WerFault.exe
PID 1320 wrote to memory of 828	1320	315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe
"C:\Users\Admin\AppData\Local\Temp\315C52DA5E4E63B6F1FE534BB94C092CA45280408854C.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 740
2⤵
- Program crash
PID:828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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