f5d34bc8c089c47f1188cfcbd36e696f26dfc1d5630279812f089d516b96f7db

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 02:42

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General

Target

w4sp-v2-4.pyc
Size

45KB
MD5

9416bd3645986392c2926fd29d324674
SHA1

8d4baadec5e349faab47c012a14c3f902baf6476
SHA256

4ab8668d8ca06cdfabf44231bb6a5ab8c18429522955117ff55c881d93409cfa
SHA512

6e1c0c479c0244a8ff706ae4ed47c8d630d8cd4e96a6a87db76a0b1d0d64c3137c72f5afcfb85371cfad6bdbc8d51a8d6c84fb72262645491c24cf2186d0b61b
SSDEEP

768:i9CYRCJJsXH9rtx/iat10gH3zVo/wfEqBzL1jMmSIhX9UzBQFYCH50kITCes95ZI:AcJsXH9JQw10gjWofECzLVSmeyFL0CZI

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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

2588 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2588 AcroRd32.exe
2588 AcroRd32.exe

pid	process
2588	AcroRd32.exe

pid	process
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1632 wrote to memory of 3048	1632	cmd.exe	rundll32.exe
PID 1632 wrote to memory of 3048	1632	cmd.exe	rundll32.exe
PID 1632 wrote to memory of 3048	1632	cmd.exe	rundll32.exe
PID 3048 wrote to memory of 2588	3048	rundll32.exe	AcroRd32.exe
PID 3048 wrote to memory of 2588	3048	rundll32.exe	AcroRd32.exe
PID 3048 wrote to memory of 2588	3048	rundll32.exe	AcroRd32.exe
PID 3048 wrote to memory of 2588	3048	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\w4sp-v2-4.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\w4sp-v2-4.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3048

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\w4sp-v2-4.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2588

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
19f3f8d789025826666f6cf495cead92

SHA1
20ac1c66e365172a2e1d164a73db7a961eb46c4b

SHA256
c24f2b503dc1abb94141107ad267a02195aeb9e5f5ee5761041573ea67be4502

SHA512
0ba4694ce74ed766a68c70eee91f611e383cb801d8be86a13633f9bc703755312798cc89eb2735a3e5f59ef3f2c22a0f5c42439c4f81acb426500900aec99532

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