oski | 7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413

General

Target

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
Size

293KB
MD5

b8587f4bbee7e735a72d3652199342f7
SHA1

3dcf20e70ec18584033d1cdfc3eeffc409ad88c4
SHA256

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413
SHA512

182e8f17d9f9a65e1df95f7050c9fc2a3423f0a2dbfa2faf2f5016930547532bd38d3e1e0eb41596abdf94bac6113293ba72d3006ae15f8c14db8b0cf8e093de
SSDEEP

6144:/Q07BiMXZdbGmtcXTfI3x817i/GJsc950j/pPBlYLhZ+UfvpnDNt:/Q08MXZdGmtCQW17S4scDE/pPBlYLhZL

Score

10^/10

oski infostealer persistence spyware stealer

Malware Config

Extracted

Family

oski

C2

timecforgoodnes.ml

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows Services = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update Folder\\Windows Update.exe"	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

description	pid	process	target process
PID 4816 set thread context of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2104 4968 WerFault.exe 7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

pid	pid_target	process	target process
2104	4968	WerFault.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

pid	process
4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

description pid process

Token: SeDebugPrivilege 4816 7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

description	pid	process
Token: SeDebugPrivilege	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

description	pid	process	target process
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
PID 4816 wrote to memory of 4968	4816	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe	7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe

C:\Users\Admin\AppData\Local\Temp\7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
"C:\Users\Admin\AppData\Local\Temp\7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816

C:\Users\Admin\AppData\Local\Temp\7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe
"C:\Users\Admin\AppData\Local\Temp\7610eebdfb8f0a1871fc6981414168af210ebd40c6148e2282b7d5c47faca413.exe"
2⤵
PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 1292
3⤵
- Program crash
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4968 -ip 4968
1⤵
PID:3484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/4816-132-0x0000000000DF0000-0x0000000000E44000-memory.dmp

Filesize
336KB

Download
memory/4816-133-0x000000000B540000-0x000000000BAE4000-memory.dmp

Filesize
5.6MB

Download
memory/4816-134-0x000000000B180000-0x000000000B212000-memory.dmp

Filesize
584KB

Download
memory/4816-135-0x000000000B2C0000-0x000000000B35C000-memory.dmp

Filesize
624KB

Download
memory/4968-136-0x0000000000000000-mapping.dmp

Download
memory/4968-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4968-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4968-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4968-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4968-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads