03db63804f51bdc7c31f8c675b3c915170f0ebbac80ea337d52225cc55c76bf9

Analysis

max time kernel
150s
max time network
30s
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

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General

Target

Silent Aim/config.cfg
Size

3KB
MD5

c091ff9e549bbac38e0f86c999e41e51
SHA1

c7d368b49333be59eb18da936fc6c29171ba2508
SHA256

f4072e6da50b320cf3e7acfa745e459005debbe3a99b046bb9953b1ccc62adda
SHA512

b4709e99dc1eb9cfb626121b5a751c28f84be4d9f8f679d757f4b94c88e0de2f810ef267582fe9a2e06c0d376f95f9eb5f85f3bdbbc75b8b26c8ba50d6d86a7f

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-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.cfg	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
584	AcroRd32.exe
584	AcroRd32.exe
584	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 664	1376	cmd.exe	29
PID 1376 wrote to memory of 664	1376	cmd.exe	29
PID 1376 wrote to memory of 664	1376	cmd.exe	29
PID 664 wrote to memory of 584	664	rundll32.exe	30
PID 664 wrote to memory of 584	664	rundll32.exe	30
PID 664 wrote to memory of 584	664	rundll32.exe	30
PID 664 wrote to memory of 584	664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Silent Aim\config.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376
- 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\config.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:664
- - 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\config.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:584

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

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