oski

General

Target
BillOfLading.exe
Size 260KB
Sample210331-szjcmflb1n
SHA256 c0ff93ef4930a7dc2d95a6ee490fecdddcbe946e479b1d4fdb47285245b28675
MD5 a27e08ddf60d5403c02a482a8c3885ac
SHA1 8d98313ff780d8d8c2d779ce5022cc03d72f606b
SHA512 d1d30f1599bfc58a26d25eb641ccc152924fb0cbce253c7c599b5183d3dcf7fb31d80fa75277221895e7526bdbe4ec7c080267340a0649001e6bd28614f31f36
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

oski

C2

http://45.85.90.220

Targets

- Target
  BillOfLading.exe
- Size 260KB
- SHA256 c0ff93ef4930a7dc2d95a6ee490fecdddcbe946e479b1d4fdb47285245b28675
- MD5 a27e08ddf60d5403c02a482a8c3885ac
- SHA1 8d98313ff780d8d8c2d779ce5022cc03d72f606b
- SHA512 d1d30f1599bfc58a26d25eb641ccc152924fb0cbce253c7c599b5183d3dcf7fb31d80fa75277221895e7526bdbe4ec7c080267340a0649001e6bd28614f31f36
- 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