476efe162f8ca4f0c7ad83f3602ac1ee661f97312fd00d71d765469425dbc60c

Analysis

max time kernel
150s
max time network
124s
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

abc.pyc
Size

6KB
MD5

77d1073653635e1d64467985019e2804
SHA1

63b8f4bdcc9b62736cdb7bb4db232e1a778dd244
SHA256

6c147d0976c7e7333ec9bc7a37e5191a602b10775bed9543cea99a4b8b08a747
SHA512

d00fc86e19194dcd781a9ab18cf34e008d3fedc9584a87459b64aacfea83a2e97660763a5d34c526800266d8588c85d4118ed4eb3432eea0840faa676591a7cc
SSDEEP

96:l8Cx06+SenQH/0x0CenQ9ZY6kj152Hvk2aqNonSmfcTxj+k6zB+BELfwLt2C2te:62+xf8152Pk2aioXfcMVyt22

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-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_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-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2940 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2940 AcroRd32.exe
2940 AcroRd32.exe
2940 AcroRd32.exe

pid	process
2940	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1324 wrote to memory of 1020	1324	cmd.exe	rundll32.exe
PID 1324 wrote to memory of 1020	1324	cmd.exe	rundll32.exe
PID 1324 wrote to memory of 1020	1324	cmd.exe	rundll32.exe
PID 1020 wrote to memory of 2940	1020	rundll32.exe	AcroRd32.exe
PID 1020 wrote to memory of 2940	1020	rundll32.exe	AcroRd32.exe
PID 1020 wrote to memory of 2940	1020	rundll32.exe	AcroRd32.exe
PID 1020 wrote to memory of 2940	1020	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\abc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\abc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1020
- - 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\abc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2940

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
2bf657419a6d10dbb24ddb8c15fb2c82

SHA1
d3de010f9ad8dcc0fd40216d0b3d361f6fc1f205

SHA256
903a530576b6bccd3ab52aad4909b39f1ec0f69e0311f2e4ca601f9990672b96

SHA512
10e23d0c5d0d63acd68121361a417d6445f924b911fba56f2bca31ec032964d080195b6cbc86090e57c16067d8d82e59d2cfe365370180550c633a8b43456191

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