03db63804f51bdc7c31f8c675b3c915170f0ebbac80ea337d52225cc55c76bf9

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11/06/2023, 20:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Silent Aim/userconfig.cfg
Size

247B
MD5

5b69a83ec5fdf03a24753483597cf7ae
SHA1

c99bef767e7593041b553afc8cc96eb10e36c889
SHA256

51e31bb190b363e024006359834e1e8e6fa845c60e2d954addc57bb843814a86
SHA512

f0efbeca64d0b46e17e35318e4704e709e16cb2d03b19c1571385cc5bf0151c62b0981a102811aa8f75c720200dc5e1ce0ef3f9de8c1f5f18427111ab7951af8

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.cfg	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 656	1740	cmd.exe	29
PID 1740 wrote to memory of 656	1740	cmd.exe	29
PID 1740 wrote to memory of 656	1740	cmd.exe	29
PID 656 wrote to memory of 1428	656	rundll32.exe	30
PID 656 wrote to memory of 1428	656	rundll32.exe	30
PID 656 wrote to memory of 1428	656	rundll32.exe	30
PID 656 wrote to memory of 1428	656	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Silent Aim\userconfig.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Silent Aim\userconfig.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:656
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Silent Aim\userconfig.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

Loading Replay Monitor...