476efe162f8ca4f0c7ad83f3602ac1ee661f97312fd00d71d765469425dbc60c

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
08-08-2023 22:09

Target

re.pyc
Size

14KB
MD5

c4c8225af08a68323823b7323f15f117
SHA1

a57deabed7a661d59350b5692095db9d12a0c709
SHA256

4266137f82d1bf4c1b0d20d9ea0d45ba8f1aa6fca15140fe30fd0dd99d6ff21e
SHA512

42ae0fb234c13a8e1f73f72c030d2585b0e062ba1b33d8743db2aa1e415b79c26bd6c687f56f8de88747ed6c090c07b723e47caa0225507609e7bf3315e0bb72
SSDEEP

192:dLhuPG2DARzAuXTCQL5rPb+mPNGL6R/UX8tcFfesWtGAsZCNe7Ms:nuPjDssWPSIMX8tYfepGr1

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-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_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

2452 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2452 AcroRd32.exe
2452 AcroRd32.exe
2452 AcroRd32.exe

pid	process
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2580 wrote to memory of 2240	2580	cmd.exe	rundll32.exe
PID 2580 wrote to memory of 2240	2580	cmd.exe	rundll32.exe
PID 2580 wrote to memory of 2240	2580	cmd.exe	rundll32.exe
PID 2240 wrote to memory of 2452	2240	rundll32.exe	AcroRd32.exe
PID 2240 wrote to memory of 2452	2240	rundll32.exe	AcroRd32.exe
PID 2240 wrote to memory of 2452	2240	rundll32.exe	AcroRd32.exe
PID 2240 wrote to memory of 2452	2240	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\re.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\re.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2240
- - 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\re.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2452

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
3f29be6e2c8a689c99d36cd7ebd9534d

SHA1
cf2cbc5b089b65b4505470cb7402022b4390cf3b

SHA256
3b379296f1363d5144d9295e03be46d4e2746a48847b8f7516c7afa3fe1eceae

SHA512
0b381c7eef09fc59d339e64ce9b7ca8e1809b748e6cd7c144b5187ffcb88e1cd576eea303e3d74a71e649ae65efb640c18995cecd171d76428711ae2da0942c5

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