a1e9d2a0a36f1cb5b3fd09a3e07335f9987549fca015428369043031e2cc67cc

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 16:13

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General

Target

pppwn.pyc
Size

44KB
MD5

5c39d9e4d8d1d0274b1366a06ef543ce
SHA1

da05bc2b5bbfa45bc75801a6389a58dd4d124a49
SHA256

78a9c3146e1c2d0ad7d97771633aa89ce10aab0278f54814e96f522df098f6ca
SHA512

29c1b9fc9ad8dabb249a26363043ba111bea546f26c07bc774a9cf59c1b2c00931ec0b215fe0a29e172eb0a1257a4add0ebe8feb12d26b25969ce3b70b653295
SSDEEP

768:KUfnb9aQXfYcMHmX5GwyRbe8sOdz1xZjueRF1HM7S:rfnJBYYSe8DDT7CS

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2668 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2668 AcroRd32.exe
2668 AcroRd32.exe

pid	process
2668	AcroRd32.exe

pid	process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1512 wrote to memory of 2384	1512	cmd.exe	rundll32.exe
PID 1512 wrote to memory of 2384	1512	cmd.exe	rundll32.exe
PID 1512 wrote to memory of 2384	1512	cmd.exe	rundll32.exe
PID 2384 wrote to memory of 2668	2384	rundll32.exe	AcroRd32.exe
PID 2384 wrote to memory of 2668	2384	rundll32.exe	AcroRd32.exe
PID 2384 wrote to memory of 2668	2384	rundll32.exe	AcroRd32.exe
PID 2384 wrote to memory of 2668	2384	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pppwn.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pppwn.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2384

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\pppwn.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2668

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
2ae8a07d3fa038f83761df3f7e6dfc19

SHA1
415aa0b08befc3420113be6cdaa65796efa34b19

SHA256
c000f68105bd031eab501bcecbe38a039b8e1cb22d82097f4ab92a15056a4275

SHA512
1175bf622cd048680256bbbe26a039bd0450f8db5d3ecc413d233bdc975856f43a93e283f08f2ff358a905b0bbe6cdea87cd83f1f9d682709bc4e98f34760d63

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