3d0914e9be762d7244f539dee6007fc05e437f3e8957a7b54d584c323786de0f

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 11:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

download.sh
Size

640B
MD5

3da8fa21cc5561c07a651653d926601b
SHA1

763d24b7b2d8fb30f377275c172916f0ea3d6af7
SHA256

3d0914e9be762d7244f539dee6007fc05e437f3e8957a7b54d584c323786de0f
SHA512

d4765e43efa8c0bdb2e7f6b9b1165b22793e7e1e0c30f8a5be83d0e9c3bc52d9b7db614886a1a1f835a3da3300c7e55b687c7a9febec24e790c378f1bcdaf8cb

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2564	1544	cmd.exe	29
PID 1544 wrote to memory of 2564	1544	cmd.exe	29
PID 1544 wrote to memory of 2564	1544	cmd.exe	29
PID 2564 wrote to memory of 2576	2564	rundll32.exe	30
PID 2564 wrote to memory of 2576	2564	rundll32.exe	30
PID 2564 wrote to memory of 2576	2564	rundll32.exe	30
PID 2564 wrote to memory of 2576	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\download.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\download.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\download.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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
cd5590751535a23eb5f9cd473c647508

SHA1
5a4ac4c38f73c82e5b982b1bf4d74e0863500458

SHA256
3a5151ee233b82a9f36fe73e1d5f9faefa9e997144bfcc5b74f7e416c843eca3

SHA512
e0ae82a1c5e238933c8eaa96a64a9437677f75c08c1592cbeea419887beebdfa3434cd2c30cfd5a7f5f0553f304bdf712a4271010502779dc9a05f4ac3e9594c

Download Submit