oski | 357c49ca6c5ce321fae8734313736081d156430a06ac06c1bf054167e509579a

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
30-08-2023 18:45

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General

Target

ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe
Size

199KB
MD5

ead85de4981024fac4478ca11dafb3ba
SHA1

7eb26917e3bb3fc565697f4268f6f64dd5e07f82
SHA256

357c49ca6c5ce321fae8734313736081d156430a06ac06c1bf054167e509579a
SHA512

239e29933f21edcd4513fefc00562dffbace4f0e235a47fa704f2774b51b5ea88af6a0d5039e204e389ba368db4b64c3c6adb4452955f950447b6a0897040efb
SSDEEP

3072:vfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIj1Xi6FLPo3c:vfUauY68uSWCx+XA7mg2pNe1Ljo3c

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
T1552.001

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	1892	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2908	1892	ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe	28
PID 1892 wrote to memory of 2908	1892	ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe	28
PID 1892 wrote to memory of 2908	1892	ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe	28
PID 1892 wrote to memory of 2908	1892	ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 504
  2⤵
  - Program crash
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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