4dfe5767d0253a6760cfc061d72803a30b9ea00400b6315f7dd1468661970261

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
21-05-2024 05:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

test_dump_dailyfile.sh
Size

1KB
MD5

93d79774f26ddeacdaa476964647fa9c
SHA1

4510583d65f47b452f7a2f776fd4ac0c7591a0b8
SHA256

4dfe5767d0253a6760cfc061d72803a30b9ea00400b6315f7dd1468661970261
SHA512

c7e2f794985da7c796d416f7703ff0cfca438669e0409d4348cc21dffa010e0fc165fe38ac3a044181afc437dc813c4d44a3e3b533c6b7115c0227fe0be181e8

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\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
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	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
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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2516	2284	cmd.exe	29
PID 2284 wrote to memory of 2516	2284	cmd.exe	29
PID 2284 wrote to memory of 2516	2284	cmd.exe	29
PID 2516 wrote to memory of 2788	2516	rundll32.exe	30
PID 2516 wrote to memory of 2788	2516	rundll32.exe	30
PID 2516 wrote to memory of 2788	2516	rundll32.exe	30
PID 2516 wrote to memory of 2788	2516	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\test_dump_dailyfile.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\test_dump_dailyfile.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\test_dump_dailyfile.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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
a1991d0ded532e1f534bbe71922001f8

SHA1
08fa167e09bf9cf9c11f69821091c6201c70e705

SHA256
416436ced5319681537637437fb371a3d57df6db219595bf18e703d5e4bb50bc

SHA512
87afb452962944f8ac9aea55f0433a6bb7b808ff3e54691b7302ceb7a4102e6bd366faa95e78300cd6d0b3c0bb00c01a8234b4a178684804c690f0127e83ddb3

Download Submit