ee08898040836a55a1b02c2181aa40d2e4d91ff1d707cacab1a590415dbb39c1

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 13:01

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General

Target

source_prepared.pyc
Size

185KB
MD5

8d3447b12ca3a09e90986041cadc0090
SHA1

8be8a6f3c98ae15eb8bfec07a08d1d267a43999a
SHA256

7dc801219845fa8cc781024678b3f498160173a5bc6c71ed43d3639d404cd6f3
SHA512

f4c1fd4e3cc7f3e6c03d1d19045f1440ccd6133fee2c3d4845c7565f56c97d23438a415e374158c975a58dcd3fd84fad38078a091525532ebb056a5d897e13c5
SSDEEP

3072:wTV6La+/4A9M/2CYolPEtelZN+tVZaftogjHBuCkn0:wTcW+/ZuYol8cN+7ZaftogjH8Ch

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
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2660 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2660 AcroRd32.exe
2660 AcroRd32.exe

pid	process
2660	AcroRd32.exe

pid	process
2660	AcroRd32.exe
2660	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1948 wrote to memory of 2604	1948	cmd.exe	rundll32.exe
PID 1948 wrote to memory of 2604	1948	cmd.exe	rundll32.exe
PID 1948 wrote to memory of 2604	1948	cmd.exe	rundll32.exe
PID 2604 wrote to memory of 2660	2604	rundll32.exe	AcroRd32.exe
PID 2604 wrote to memory of 2660	2604	rundll32.exe	AcroRd32.exe
PID 2604 wrote to memory of 2660	2604	rundll32.exe	AcroRd32.exe
PID 2604 wrote to memory of 2660	2604	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2604

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\source_prepared.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2660

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
272fc79dbf878c555d43fddb3b5ff653

SHA1
c5eae3586b213781e91e4c79bcf96c4936793eb4

SHA256
0fe05c32f46814a765c023b02b0454ed7d0c39ae290903640b5e714433b1ad1b

SHA512
51decb4d4bdf023a4381f66f92792d802058182be2436dbdce17d739e3d3016cea12a67ce6a8a6687b4d9dedbfc6eeef24facb59d5212f2dc0ccfb0195e15fd9

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