75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 12:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

scripts/sirius.lua.example
Size

468B
MD5

1fdd7bce4f24c51ec8267d7fe65b265e
SHA1

4f247776830fb30cf816f227f13d3645b8d3aa6d
SHA256

d331a1344d7354019fdeb564a21f95f85f26458f91aa93d7af58affa9728cb1d
SHA512

4bf9c85600dcab2ff532ef5f459c270d3197ea5a9d46677b4f7f1e0d2e3b3454bc5ba1f64bcb732448cbe37a71a2112511f46166ec4ba0f3db1ca14d4f685bb4

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 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.example\ = "example_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.example	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\example_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 3044	1500	cmd.exe	29
PID 1500 wrote to memory of 3044	1500	cmd.exe	29
PID 1500 wrote to memory of 3044	1500	cmd.exe	29
PID 3044 wrote to memory of 2748	3044	rundll32.exe	30
PID 3044 wrote to memory of 2748	3044	rundll32.exe	30
PID 3044 wrote to memory of 2748	3044	rundll32.exe	30
PID 3044 wrote to memory of 2748	3044	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scripts\sirius.lua.example
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\scripts\sirius.lua.example
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3044
- - 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\scripts\sirius.lua.example"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
db37ebb07d64301aae4ded71f2040271

SHA1
6ff498b824037ada369d0328c1d4a53fbb803fb9

SHA256
8358fcd4be03f2fd34688fc80c482bd3dd7a3c96c8d24f53bb0c9fa7e1ce711e

SHA512
030316e0480739667fe7ac4554a3f14540cd33966cf8e3475ac8f75b450567135520201b269522383c9207fc74752ed12ec406210646d7a1ca4a0c2480170d83

Download Submit