oski

General

Target
IMG0537521501.exe
Size 218KB
Sample210428-ncb2swdxbx
SHA256 a5c9be9bcb214e69a39285a634f95e43fdf1ad10536bcc9bce84be7edb48cb31
MD5 590fc5d8cc6f8dc41aa4e40b63aa663f
SHA1 2d063d7f428f549017b8e0d00f55401bf8fbaa1f
SHA512 6502f76d5efe8529b17ada427b9d32dd202793dc128e116a291ea68903b489ae615f1f9d61cdd470efcf44e148679cdca2a726764e22d1c98871bd2662cfc2bc
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

oski

C2

31.210.20.238

Targets

- Target
  IMG0537521501.exe
- Size 218KB
- SHA256 a5c9be9bcb214e69a39285a634f95e43fdf1ad10536bcc9bce84be7edb48cb31
- MD5 590fc5d8cc6f8dc41aa4e40b63aa663f
- SHA1 2d063d7f428f549017b8e0d00f55401bf8fbaa1f
- SHA512 6502f76d5efe8529b17ada427b9d32dd202793dc128e116a291ea68903b489ae615f1f9d61cdd470efcf44e148679cdca2a726764e22d1c98871bd2662cfc2bc
- 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