oski | 527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995

Analysis

max time kernel
63s
max time network
105s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 18:11

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General

Target

527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe
Size

200KB
MD5

841cc2a1b0b7bd037d7ce4bff9a067df
SHA1

904525e4b5599227fd1860bda78962b87ccee2a9
SHA256

527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995
SHA512

e4116ed6117d3346029cecd15832dca1a4491776af0e8566910dd3f38fb18d0e5fdbfd595ec677411a5a327eebba67e03aec781cfa428358d2ecd259c4df1f8d
SSDEEP

3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fId1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN41Ljo3c

Score

10^/10

oski 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	1684	WerFault.exe	23

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1860	1684	527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe	30
PID 1684 wrote to memory of 1860	1684	527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe	30
PID 1684 wrote to memory of 1860	1684	527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe	30
PID 1684 wrote to memory of 1860	1684	527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe	30

C:\Users\Admin\AppData\Local\Temp\527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe
"C:\Users\Admin\AppData\Local\Temp\527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 764
  2⤵
  - Program crash
  PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1684-54-0x0000000075151000-0x0000000075153000-memory.dmp

Filesize
8KB

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