oski

General

Target
IMG052361778.exe
Size 691KB
Sample210506-e5wssk39n2
SHA256 c210434fcb39927f4a0d0a844a1a883f8274bc3b9e6d3e6e883f8072f316ca6a
MD5 74a962db45d6ab6c859ff627987bf1f6
SHA1 893b19a862fca02a5ec9ab0cd270a4970849ecb1
SHA512 3a4e33f3f625e6c861eebb71a50bfbb693c102b896118d808317b546a7e6dbf28fe91b549b58d723dc27a207063a9822404ef8df3dd4a986e489b0851b1c999c
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

oski

C2

193.142.59.33

Targets

- Target
  IMG052361778.exe
- Size 691KB
- SHA256 c210434fcb39927f4a0d0a844a1a883f8274bc3b9e6d3e6e883f8072f316ca6a
- MD5 74a962db45d6ab6c859ff627987bf1f6
- SHA1 893b19a862fca02a5ec9ab0cd270a4970849ecb1
- SHA512 3a4e33f3f625e6c861eebb71a50bfbb693c102b896118d808317b546a7e6dbf28fe91b549b58d723dc27a207063a9822404ef8df3dd4a986e489b0851b1c999c
- 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