oski

General

Target
PLI5130745618.exe
Size 226KB
Sample210503-dtx8clwq9s
SHA256 f98f307a6a414fcbe42e1017d720f1ed8c9e0df21b703f74e94dbe1afa8b32ff
MD5 9b807ec7d5c9fa755cd95453f9a7c0d0
SHA1 9bb35f35f97839e4c995ab39246a5caac983c928
SHA512 cdead31dc1be9a60e3fe616b4dbf47bd646b0ea89ea2f676590222d8a4917d46af310d63844c1374faf76be032ff84ac5d3d25f9b4949e11b226a38e12d71e46
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

oski

C2

31.210.21.231

Targets

- Target
  PLI5130745618.exe
- Size 226KB
- SHA256 f98f307a6a414fcbe42e1017d720f1ed8c9e0df21b703f74e94dbe1afa8b32ff
- MD5 9b807ec7d5c9fa755cd95453f9a7c0d0
- SHA1 9bb35f35f97839e4c995ab39246a5caac983c928
- SHA512 cdead31dc1be9a60e3fe616b4dbf47bd646b0ea89ea2f676590222d8a4917d46af310d63844c1374faf76be032ff84ac5d3d25f9b4949e11b226a38e12d71e46
- MD5 SHA1 SHA512
Score

10^/10

oski discovery infostealer spyware stealer
- Oski
  Oski is an infostealer targeting browser data, crypto wallets.
  infostealer oski
- Downloads MZ/PE file
- Deletes itself
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

Downloads MZ/PE file

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2