ef4e0e2593eaccc73632054c0244e858e1dc0bc1149cde36d74bf41fb03fddb4

Analysis

max time kernel
118s
max time network
145s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-04-2024 20:54

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General

Target

www/backend/23.02.2023-update.sh
Size

340B
MD5

1d926c1aef4dd8d4f50d9df6bf955baa
SHA1

419d79f6fdf03adabc1f0284ccf8cc8ee164c1f7
SHA256

ed75942c4b85bfc875f2405f19e73701dfc0525fa197247a01db0d609209872a
SHA512

40444a5e8537a39eadb82c37e833a5ec5d1849b32ffb9ba8c836dffec707b177a7d24ee16a0b26e1f315a7a04e23fecca77cc381f33d927bc2300370a828f438

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sh_auto_file\shell	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
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_auto_file	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\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 2680	1536	cmd.exe	31
PID 1536 wrote to memory of 2680	1536	cmd.exe	31
PID 1536 wrote to memory of 2680	1536	cmd.exe	31
PID 2680 wrote to memory of 2608	2680	rundll32.exe	32
PID 2680 wrote to memory of 2608	2680	rundll32.exe	32
PID 2680 wrote to memory of 2608	2680	rundll32.exe	32
PID 2680 wrote to memory of 2608	2680	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\www\backend\23.02.2023-update.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\www\backend\23.02.2023-update.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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\www\backend\23.02.2023-update.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2608

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

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Downloads

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

Filesize
3KB

MD5
5738790dbce67b0dfbdfcec1a12d471e

SHA1
a4971c57bf528530ed422cfa01c789d05d7f9ce7

SHA256
0e0048844cfe85e5bf0163efeadd5dbbd779ab166778d22e4d23d56d601a44a6

SHA512
ccabbdf8812e92a68fc7cf88615762820ab592de8f79f476ed99619c485a5bba855235807d3b0dee79c253b81be6e6e8c2a575b746f2a8534f6326331ac85b3a

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