2c3a2b9bf44cabeac520d4b22e37e0e7059f325b0c2cabc23242fe6559bf0e96

Analysis

max time kernel
122s
max time network
139s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 14:40

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General

Target

lib/xml/parsers/expat.pyc
Size

376B
MD5

e609898becf57b8806adf176bb3199f9
SHA1

bd85e4e59e9286a3a641c76071d8d4ed2b0d7f7b
SHA256

b09fc6b1d8da50c74c422d83e1494fbc61c3345dcbfd743e865fdc6a90c5ec67
SHA512

66a4ea54f42958fa9142d2450b6301482b3beaf2a0480bfe4ae426f5e5ec354c31880552cca2b918a9aba9cebac1b3ff5099582a7b738640c3d0be63f611de6f

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\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	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\command	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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2600 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2600 AcroRd32.exe
2600 AcroRd32.exe

pid	process
2600	AcroRd32.exe

pid	process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2732 wrote to memory of 1328	2732	cmd.exe	rundll32.exe
PID 2732 wrote to memory of 1328	2732	cmd.exe	rundll32.exe
PID 2732 wrote to memory of 1328	2732	cmd.exe	rundll32.exe
PID 1328 wrote to memory of 2600	1328	rundll32.exe	AcroRd32.exe
PID 1328 wrote to memory of 2600	1328	rundll32.exe	AcroRd32.exe
PID 1328 wrote to memory of 2600	1328	rundll32.exe	AcroRd32.exe
PID 1328 wrote to memory of 2600	1328	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\xml\parsers\expat.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\xml\parsers\expat.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1328

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\lib\xml\parsers\expat.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2600

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
b50af917d9c43086344818d8c1123e0f

SHA1
d09412f990554d21300081e171d872312329742b

SHA256
e633f40dab5866b9623743d71f47625d14e0062231eae764d563878b2aa66e5d

SHA512
60c4c1275b9bbd3b8040dafd56846588cd44e9ed1cc55fd70437dc620baa4811555e1c50b06d2f88ce19215001bbd45f0488b3493cbeceb101985ae009316d8a

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