2c3a2b9bf44cabeac520d4b22e37e0e7059f325b0c2cabc23242fe6559bf0e96

Analysis

max time kernel
119s
max time network
126s
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/xmlrpc/client.pyc
Size

33KB
MD5

957619ca7e9f477fb5b36347837d347b
SHA1

598c7c3aeaa30b9104501aafbf30fb8504a20b84
SHA256

eed71636b782cc8033adff654b0354066137735c85a91662710cbacc94bf0178
SHA512

7ecb00e6f1e310a05dd0184c49039daf5926792bda21787a97594181d512fb2d44de5348c6066ae000f1533e5e4a8cd16d4c6d1cc14c055133f72f6ca1cb2618
SSDEEP

768:urtqqqKtqCqqYqqd0qpqq2h8Iq1q1mqnrqAJqyqVqSq7qaq8qOqT2aqq2qGqKq6Z:urtqqquqCqqYqqd0qpqq2h8Iq1q1mqnx

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
2740 AcroRd32.exe

pid	process
2740	AcroRd32.exe

pid	process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2320 wrote to memory of 2816	2320	cmd.exe	rundll32.exe
PID 2320 wrote to memory of 2816	2320	cmd.exe	rundll32.exe
PID 2320 wrote to memory of 2816	2320	cmd.exe	rundll32.exe
PID 2816 wrote to memory of 2740	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2740	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2740	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2740	2816	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\xmlrpc\client.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\xmlrpc\client.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2816

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\xmlrpc\client.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2740

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
d5f16cebbdc6340dfd1d1d55a6543e45

SHA1
2af84195c5a71a807818ea937725252ebf8972bd

SHA256
4eb52ecf3f1891fcae95a16ff137e9b71afc405a588637a9abf3426e07786e16

SHA512
48464abb811d93949849fde27b65b03d963d3d690c4e1cdfd5258d8d041f3552024524a099a698457ef3a177e8cbc84e35a32d16bc4ed3db7ea5453b9cbe67c9

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