75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
104s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22-07-2024 21:45

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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
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.example\ = "example_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\example_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\example_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\example_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.example	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\example_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\example_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2896	2536	cmd.exe	30
PID 2536 wrote to memory of 2896	2536	cmd.exe	30
PID 2536 wrote to memory of 2896	2536	cmd.exe	30
PID 2896 wrote to memory of 2716	2896	rundll32.exe	31
PID 2896 wrote to memory of 2716	2896	rundll32.exe	31
PID 2896 wrote to memory of 2716	2896	rundll32.exe	31
PID 2896 wrote to memory of 2716	2896	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scripts\sirius.lua.example
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- 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:2896
- - 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:2716

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

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Downloads

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

Filesize
3KB

MD5
b0f9e462d2b8971da38850c4e6daec2a

SHA1
1ca0ec9f0874ce0b33df70f19dd3dc7ef01f2e46

SHA256
622fb9dae4ac0acac980e4cd2127e9bb93b726b4bb0a85e7fdd4dd366a5de962

SHA512
19882a62668d82047f09d5ae6765b1643bce9d0df404375770ec5e0bd6c9bb529dd39e9aa9d61847ad99effd4fe94f5645e1bb70a4b045b1d9c0cf5f5ef090f2

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