476efe162f8ca4f0c7ad83f3602ac1ee661f97312fd00d71d765469425dbc60c

Analysis

max time kernel
151s
max time network
123s
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

os.pyc
Size

27KB
MD5

d845a1698a5e4a9a3992ca514b924a52
SHA1

daef45b912f6ebc4d7d6d2d1ed7234b1f7769954
SHA256

ec16d78fff77115582630db2aa0167617e5e490785f634172e9570f014322f3c
SHA512

5a8ba0a5c0b45812b35d3546b5c3fbc48b445aee32089417e261d3ddfea508d3df7b3536c11d662d6993a6fb09de4d234b1b1896a810da0d2d60cfc1edb9942b
SSDEEP

768:BCa184aJH8ys0lG5ufiMq+7KTLrLjL1LDL3LnLnLcyW0t:oaeJH8ysAiMq+7K1Nt

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-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_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

2860 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2860 AcroRd32.exe
2860 AcroRd32.exe
2860 AcroRd32.exe

pid	process
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2508 wrote to memory of 2448	2508	cmd.exe	rundll32.exe
PID 2508 wrote to memory of 2448	2508	cmd.exe	rundll32.exe
PID 2508 wrote to memory of 2448	2508	cmd.exe	rundll32.exe
PID 2448 wrote to memory of 2860	2448	rundll32.exe	AcroRd32.exe
PID 2448 wrote to memory of 2860	2448	rundll32.exe	AcroRd32.exe
PID 2448 wrote to memory of 2860	2448	rundll32.exe	AcroRd32.exe
PID 2448 wrote to memory of 2860	2448	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\os.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\os.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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\os.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2860

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
c3fed48313d24c40c6a8dfe61676bcdd

SHA1
b3bf28f54b088e644557a665f323e95c300087d6

SHA256
a2528e2981cc188ffcd2f07634e161a1e0ba8459d912f00500f593fca3018694

SHA512
d098b83423fa511cb737183affdfb44f761904d50a9363b7a1e6e289c2e9f5b907250e2bd73bb24235bb972eed8f039269e400623e3ebfa4a6f6c5abad749daf

Download Submit