ba9ada271c0e3bb2c53762c41a19f414811f8b3079e107adbb64edbed4b45b53

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 19:45

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General

Target

barrier.cpp
Size

3KB
MD5

46f37f1e167237945d5a68c3a63119ee
SHA1

2bdc80e3a52349f54f8311b0debaf563b8e2f36e
SHA256

537b87663d4c7caed98005590827fc6f1fdf6d1f137efa5f01f85c4c89caeb76
SHA512

807443d45d83c3408929ad9a79f3fd1c4802702f72e558a6832506f2e8bdd443ea00e75b47642fd0d4d80006ff9bfc27f2792f0f3babdeaaba8c8606d066335e

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2756	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2268	2184	cmd.exe	31
PID 2184 wrote to memory of 2268	2184	cmd.exe	31
PID 2184 wrote to memory of 2268	2184	cmd.exe	31
PID 2268 wrote to memory of 2756	2268	rundll32.exe	32
PID 2268 wrote to memory of 2756	2268	rundll32.exe	32
PID 2268 wrote to memory of 2756	2268	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\barrier.cpp
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\barrier.cpp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\barrier.cpp
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2756

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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