a617db081ad3b096a3c3255b06fb0b2eec1dfa570b06792be575f38c29199e90

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 10:08

Target

linecache.pyc
Size

3KB
MD5

749ac324b80b41cc7c03720abc918cac
SHA1

eae24d0aeca6f66b6233e7cb3d4b7186739be29b
SHA256

fc55d0442cdf69c8762a30a66ee7231be46c5dcae3bb81177062732857d0292c
SHA512

208ed9e0070bbb791dbf255b143428c6fb2ae710fd813b10a80fa6f6c3f8bd3d55caf684db444992192751677ae0033f0444e3b0e1475ce30d9d73cad6eb2596

Score

3^/10

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-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_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-1-5-21-686452656-3203474025-4140627569-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2820 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2820 AcroRd32.exe
2820 AcroRd32.exe
2820 AcroRd32.exe

pid	process
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2208 wrote to memory of 3032	2208	cmd.exe	rundll32.exe
PID 2208 wrote to memory of 3032	2208	cmd.exe	rundll32.exe
PID 2208 wrote to memory of 3032	2208	cmd.exe	rundll32.exe
PID 3032 wrote to memory of 2820	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2820	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2820	3032	rundll32.exe	AcroRd32.exe
PID 3032 wrote to memory of 2820	3032	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linecache.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linecache.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\linecache.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
620145a85658512c87466028eadbf8e1

SHA1
1303d8ca83c77d23aac0094c52334964bca182d5

SHA256
aaba19e7dc4f7ff2c390d6fee22780f5ac563487ab22ee565a14eb3576731243

SHA512
e5317a5b794bfd71439dc22c22a4426f768233a42b03ef463ebdbda3bd7365c8f84d754bb019107b6007763dd90f5ac41f7d659503e632158bae0bd177f0f206

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