oski | 53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 04:56

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General

Target

53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe
Size

258KB
MD5

4075eacc822c7520bfb8da51a6d4b979
SHA1

9081b562acf5a69cabb6f11082de9049b8a1a73d
SHA256

53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f
SHA512

678cd4c1987e716b3c3356f7a0ae875cafc236d4b7d3d9751a1bcb801cace28ba122cfe678b34729ecc585d63fceb79d44c9699b0c41e45ef8e5a400b4db30f7
SSDEEP

6144:wN1KUYq1OkD5JXLaQJw6cDdTz/j/iW9UMxyR:216QP2kc5TDj/iWUMxyR

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
2852	1488	WerFault.exe	28

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	53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2852	1488	53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe	29
PID 1488 wrote to memory of 2852	1488	53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe	29
PID 1488 wrote to memory of 2852	1488	53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe	29
PID 1488 wrote to memory of 2852	1488	53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe	29

C:\Users\Admin\AppData\Local\Temp\53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe
"C:\Users\Admin\AppData\Local\Temp\53520eda30d95ee37c21c76f9dbc006d8783263405cabb621bcca2dfe38b2d7f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 812
  2⤵
  - Program crash
  PID:2852

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/1488-0-0x0000000000400000-0x00000000033EB000-memory.dmp

Filesize
47.9MB

Download
memory/1488-3-0x0000000003470000-0x0000000003570000-memory.dmp

Filesize
1024KB

Download
memory/1488-2-0x00000000002B0000-0x00000000002DE000-memory.dmp

Filesize
184KB

Download
memory/1488-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1488-6-0x0000000000400000-0x00000000033EB000-memory.dmp

Filesize
47.9MB

Download
memory/1488-7-0x00000000002B0000-0x00000000002DE000-memory.dmp

Filesize
184KB

Download
memory/1488-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download