oski | d9fa9a6d2f94da43ceb1e54df2cac4e099d6700ad52db757e5cbbece821e73d9

Analysis

max time kernel
90s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2024 19:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

92d6baf79e990130a1db2175731d4e46.exe
Size

686KB
MD5

92d6baf79e990130a1db2175731d4e46
SHA1

db9efd2c26760ce555c1c31ca8d80d1731b26771
SHA256

d9fa9a6d2f94da43ceb1e54df2cac4e099d6700ad52db757e5cbbece821e73d9
SHA512

c0a377d978f2e32af07abc8b0faa046e53c96e0c10c1333f9fd3ba43a6414a22df1cdc74d4335cdd063393d785ca50d1b0f53f448a7fd26565031ede20c4db6a
SSDEEP

12288:PsIi50Ynk0H5sQH0YDMr1se/fRlA6EiNxcBO3XF02kLxEz33n5+mEJqyOx4:PtiKY/OQUwekXCcBmF3WS3Jta7O4

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

ck7.mooo.com

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
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1060 set thread context of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4452	2760	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1060	92d6baf79e990130a1db2175731d4e46.exe
1060	92d6baf79e990130a1db2175731d4e46.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	92d6baf79e990130a1db2175731d4e46.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3592	1060	92d6baf79e990130a1db2175731d4e46.exe	92
PID 1060 wrote to memory of 3592	1060	92d6baf79e990130a1db2175731d4e46.exe	92
PID 1060 wrote to memory of 3592	1060	92d6baf79e990130a1db2175731d4e46.exe	92
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93
PID 1060 wrote to memory of 2760	1060	92d6baf79e990130a1db2175731d4e46.exe	93

C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe
"C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe
  "C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe"
  2⤵
  PID:3592
- C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe
  "C:\Users\Admin\AppData\Local\Temp\92d6baf79e990130a1db2175731d4e46.exe"
  2⤵
  PID:2760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 1312
    3⤵
    - Program crash
    PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2760 -ip 2760
1⤵
PID:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1060-8-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1060-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/1060-9-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1060-10-0x0000000008640000-0x00000000086E6000-memory.dmp

Filesize
664KB

Download
memory/1060-4-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download
memory/1060-5-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1060-6-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/1060-7-0x0000000008090000-0x00000000080A8000-memory.dmp

Filesize
96KB

Download
memory/1060-0-0x0000000000BF0000-0x0000000000CA2000-memory.dmp

Filesize
712KB

Download
memory/1060-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1060-3-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/1060-11-0x000000000AD60000-0x000000000ADA2000-memory.dmp

Filesize
264KB

Download
memory/1060-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2760-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download