oski | bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050

Analysis

max time kernel
169s
max time network
214s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
22-05-2022 05:22

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General

Target

DFI_0451_587_032.exe
Size

375KB
MD5

2e85f22e8e3436b38af2299a04f0cad8
SHA1

3cde19f615684e6f124c747bbefc3e65780c77ce
SHA256

bbd4dd21dde67a96ac02aa9795ce662fa36d4edb90d13f2ffbdeee0d4aea5050
SHA512

52b1b2f636d52c3653ed79654503a3483eacd69e2bb5552a432f222b446c3290c4afac1e786115ff9be75044022c2cee4766d50ed96aff26601613d217fb2fff

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

vtqt.xyz

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 4836	2440	DFI_0451_587_032.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	4836	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2440	DFI_0451_587_032.exe
2440	DFI_0451_587_032.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	DFI_0451_587_032.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83
PID 2440 wrote to memory of 4836	2440	DFI_0451_587_032.exe	83

C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
"C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
  C:\Users\Admin\AppData\Local\Temp\DFI_0451_587_032.exe
  2⤵
  PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 1308
    3⤵
    - Program crash
    PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4836 -ip 4836
1⤵
PID:4140

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/2440-130-0x0000000000300000-0x0000000000360000-memory.dmp

Filesize
384KB

Download
memory/2440-131-0x0000000004D30000-0x0000000004DA6000-memory.dmp

Filesize
472KB

Download
memory/2440-132-0x0000000004CD0000-0x0000000004CEE000-memory.dmp

Filesize
120KB

Download
memory/4836-134-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4836-135-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4836-136-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4836-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download