Malware Analysis Report

2025-01-03 04:58

Sample ID 220425-cpr5raafc2
Target FLP_5012_306_171.exe
SHA256 7376932014797e4b7f5a1c4776d865e1ba03cba69d9811f11a449c188157c918
Tags
oski infostealer spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7376932014797e4b7f5a1c4776d865e1ba03cba69d9811f11a449c188157c918

Threat Level: Known bad

The file FLP_5012_306_171.exe was found to be: Known bad.

Malicious Activity Summary

oski infostealer spyware stealer

Oski

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-25 02:15

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-25 02:15

Reported

2022-04-25 02:19

Platform

win7-20220414-en

Max time kernel

94s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe"

Signatures

Oski

infostealer oski

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1452 set thread context of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1452 wrote to memory of 1036 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe
PID 1036 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

"C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe"

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 792

Network

Country Destination Domain Proto
US 8.8.8.8:53 5azc.xyz udp

Files

memory/1452-54-0x0000000000930000-0x0000000000992000-memory.dmp

memory/1452-55-0x0000000000430000-0x000000000043A000-memory.dmp

memory/1452-56-0x00000000004E0000-0x0000000000506000-memory.dmp

memory/1036-57-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-58-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-60-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-62-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-64-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-66-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-67-0x000000000040717B-mapping.dmp

memory/1036-69-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1036-70-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

memory/1036-71-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1476-72-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-25 02:15

Reported

2022-04-25 02:19

Platform

win10v2004-20220414-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe"

Signatures

Oski

infostealer oski

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2448 set thread context of 4464 N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

"C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe"

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

C:\Users\Admin\AppData\Local\Temp\FLP_5012_306_171.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4464 -ip 4464

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 1292

Network

Country Destination Domain Proto
US 8.247.210.126:80 tcp
NL 104.97.14.81:80 tcp
NL 20.50.201.200:443 tcp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 5azc.xyz udp
NL 87.248.202.1:80 tcp
NL 87.248.202.1:80 tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
BE 67.27.153.126:80 tcp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
NL 104.123.41.133:80 tcp
NL 104.123.41.133:80 tcp
NL 104.123.41.133:80 tcp

Files

memory/2448-130-0x0000000000DE0000-0x0000000000E42000-memory.dmp

memory/2448-131-0x0000000005870000-0x00000000058E6000-memory.dmp

memory/2448-132-0x00000000057C0000-0x00000000057DE000-memory.dmp

memory/4464-133-0x0000000000000000-mapping.dmp

memory/4464-134-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4464-135-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4464-136-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4464-137-0x0000000000400000-0x0000000000438000-memory.dmp