fd8d899b17767f1f6ddb53565ce3cd48ee990c2a640889f1776c16634d3322f9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:42

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General

Target

update.py
Size

452KB
MD5

26ac605f2b47deb0e126a7fada66885a
SHA1

2c71a632a9610ee1a3909a6e5967c683301577b4
SHA256

11eeb1824d265bc654df5874e6845662f37e52430cf03e7140b452a1b853b411
SHA512

bf020abe374751bcb8c53b07567dae3e8d0ec61e668806d3207810dde103dc6e4cec8f126b8dc0ef91488bb1015a3437af67ddd9b9424d44fd7abca1eddc5104
SSDEEP

12288:0tWjXkvKeXUun1OMgpZzbcP0S3JiSZUsbCTKQs:8SXdSUwIMgpaBR4Kt

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2416 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2416 AcroRd32.exe
2416 AcroRd32.exe

pid	process
2416	AcroRd32.exe

pid	process
2416	AcroRd32.exe
2416	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1620 wrote to memory of 2620	1620	cmd.exe	rundll32.exe
PID 1620 wrote to memory of 2620	1620	cmd.exe	rundll32.exe
PID 1620 wrote to memory of 2620	1620	cmd.exe	rundll32.exe
PID 2620 wrote to memory of 2416	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2416	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2416	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2416	2620	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\update.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\update.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2620

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\update.py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2416

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
6faef586f885a8cfa3fb951bdb3002c2

SHA1
e11ab5b77f4751d80e8fb661b6bf2bb00ec057e6

SHA256
39d995c39d0cf92d132f57240ced71311a74c94ec34be9e27a1410d04b787e33

SHA512
7f69c75e91f8045b5dd459d49478ad7274773fee161aff41029479e720d5443c17b4d9280da2c000eb7b940de56781bb28c8f0c526ad8b55919fc4bb6073c54b

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