1bf6d14c4b5f59aa30882f4aa25e9e9d703dac905a785fe020ff667600e5fc97

Analysis

max time kernel
301s
max time network
102s
platform
windows10_x64
resource
win10v20201028
submitted
18-11-2020 15:58

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General

Target

OnlineInstaller.exe

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
4212	OnlineInstaller.tmp

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

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

Drops file in System32 directory 6 IoCs

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

description	pid	Process
Token: SeDebugPrivilege	4800	OnlineInstaller.exe
Token: SeLoadDriverPrivilege	4800	OnlineInstaller.exe
Token: SeDebugPrivilege	4212	OnlineInstaller.tmp
Token: SeLoadDriverPrivilege	4212	OnlineInstaller.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 4212	4800	OnlineInstaller.exe	73
PID 4800 wrote to memory of 4212	4800	OnlineInstaller.exe	73
PID 4800 wrote to memory of 4212	4800	OnlineInstaller.exe	73

C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.exe"
1⤵
- Checks for any installed AV software in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
  C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp -install
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Security Software Discovery

T1063

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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