Behavioral Report

Resubmissions

19-01-2021 19:24

210119-s26yznnqsn 10

19-11-2020 13:14

201119-s41ec6lt86 10

Analysis

max time kernel
1467s
max time network
1470s
platform
windows10_x64
resource
win10v20201028
submitted
19-11-2020 13:14

Sharing

Copy URL

Twitter E-mail

Report Files Registry Network Processes Mutex Misc

General

Target

OnlineInstaller.exe

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

OnlineInstaller.tmp

description ioc process

File created C:\Windows\system32\drivers\iaStorE.sys OnlineInstaller.tmp
Executes dropped EXE 1 IoCs

Processes:

OnlineInstaller.tmp

pid process

4028 OnlineInstaller.tmp
Checks for any installed AV software in registry 1 TTPs 1 IoCs

TTPs:

Security Software Discovery

Processes:

OnlineInstaller.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira OnlineInstaller.exe

description	ioc	process
File created	C:\Windows\system32\drivers\iaStorE.sys	OnlineInstaller.tmp

pid	process
4028	OnlineInstaller.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira	OnlineInstaller.exe

Drops file in System32 directory 6 IoCs

Processes:

OnlineInstaller.tmp

description	ioc	process
File created	C:\Windows\system32\spoolsr.exe	OnlineInstaller.tmp
File created	C:\Windows\system32\MS.dat	OnlineInstaller.tmp
File created	C:\Windows\system32\KeyHook64.dll	OnlineInstaller.tmp
File created	C:\Windows\system32\KH.dat	OnlineInstaller.tmp
File created	C:\Windows\system32\usp20.dll	OnlineInstaller.tmp
File created	C:\Windows\system32\UP.dat	OnlineInstaller.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

OnlineInstaller.exeOnlineInstaller.tmp

description	pid	process
Token: SeDebugPrivilege	644	OnlineInstaller.exe
Token: SeLoadDriverPrivilege	644	OnlineInstaller.exe
Token: SeDebugPrivilege	4028	OnlineInstaller.tmp
Token: SeLoadDriverPrivilege	4028	OnlineInstaller.tmp

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

OnlineInstaller.exe

description	pid	process	target process
PID 644 wrote to memory of 4028	644	OnlineInstaller.exe	OnlineInstaller.tmp
PID 644 wrote to memory of 4028	644	OnlineInstaller.exe	OnlineInstaller.tmp
PID 644 wrote to memory of 4028	644	OnlineInstaller.exe	OnlineInstaller.tmp

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

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

Checks for any installed AV software in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory

PID:644

C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp

C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp -install

Drops file in Drivers directory
Executes dropped EXE
Drops file in System32 directory
Suspicious use of AdjustPrivilegeToken

PID:4028

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Security Software Discovery

T1063

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp

Download Submit
C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp

Download Submit
memory/4028-0-0x0000000000000000-mapping.dmp

Download