oski | afa70711d77fb4d0d0800188567a53f94679be60dee00ec3b099829456aedf9b

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 14:47

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General

Target

0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe
Size

200KB
MD5

0b32731672b0b86202d4e214b1cbe9e5
SHA1

6d166d45a861bdbac5aa90c5658d380b0c284867
SHA256

afa70711d77fb4d0d0800188567a53f94679be60dee00ec3b099829456aedf9b
SHA512

4e93cb26fee0156ff88b692fcde3e6a8b09c4b0f777e5d914417d41c9e29a8c4640671c367f7bd171623de2583da613c60c80bfc5ec936f0f050ab1b93dc81d0
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIl1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNY1Ljo3c

Score

10^/10

oski discovery 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 3 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

Credentials from Web Browsers
T1555.003

Program crash 1 IoCs

pid	pid_target	Process	procid_target
372	2516	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 372	2516	0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe	31
PID 2516 wrote to memory of 372	2516	0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe	31
PID 2516 wrote to memory of 372	2516	0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe	31
PID 2516 wrote to memory of 372	2516	0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0b32731672b0b86202d4e214b1cbe9e5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 812
  2⤵
  - Program crash
  PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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