oski | 46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 23:53

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General

Target

46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe
Size

258KB
MD5

f94c235af0755973f5488b3efd2916f0
SHA1

6965b78c7429b2fc22ae3838a931c55091fb5155
SHA256

46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4
SHA512

3ab0451cb33470c43ea06cd91b03640a89fea9df1752324879136e43ea54bc4ef36448b70e24e949eb73b68e6fdf23a9eef8015290bb1db6d6bdd10578272bc6
SSDEEP

6144:wN1KUYq1OkD5JXLaQJw6cDdTz/j/iW9UMxy:216QP2kc5TDj/iWUMxy

Score

10^/10

oski discovery infostealer spyware stealer

Malware Config

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Oski family
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
2780	2764	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	46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2780	2764	46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe	30
PID 2764 wrote to memory of 2780	2764	46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe	30
PID 2764 wrote to memory of 2780	2764	46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe	30
PID 2764 wrote to memory of 2780	2764	46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe	30

C:\Users\Admin\AppData\Local\Temp\46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe
"C:\Users\Admin\AppData\Local\Temp\46068989f5619e2f8f505324209dc0f8f214f0e63ed3dd66a9387c40b0980bf4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 840
  2⤵
  - Program crash
  PID:2780

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

Replay Monitor

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Downloads

memory/2764-0-0x0000000000400000-0x00000000033EB000-memory.dmp

Filesize
47.9MB

Download
memory/2764-3-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/2764-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-2-0x00000000034A0000-0x00000000035A0000-memory.dmp

Filesize
1024KB

Download
memory/2764-9-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/2764-8-0x00000000034A0000-0x00000000035A0000-memory.dmp

Filesize
1024KB

Download
memory/2764-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2764-10-0x0000000000400000-0x00000000033EB000-memory.dmp

Filesize
47.9MB

Download