74b638d933b598de8cd8b561b1fdfc08273ecaa1af4c3a7135f49284afe6f525

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
17/06/2024, 00:59

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General

Target
puppa.pyc
Size 3KB
Sample240617-bccnvs1clk
SHA256 52dccbe27af69adac968829e03194cdb7f2c48ea51d1878f824d84fe9c1cc66f
MD5 2c0da71fecb7fffc52322ff626be8539
SHA1 e6df62e5880817283d79b90b50231d3ff0b5d254
SHA512 194e6a84cbf45d899be8f0ef4673c804751bbf343c769292ec2d34b631237764994e0568308899466313e43b5c7fe8aa710bba14317bc76273f5d931b173fcc4
MD5 SHA1 SHA512

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2416	AcroRd32.exe
2416	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2616	1620	cmd.exe	29
PID 1620 wrote to memory of 2616	1620	cmd.exe	29
PID 1620 wrote to memory of 2616	1620	cmd.exe	29
PID 2616 wrote to memory of 2416	2616	rundll32.exe	30
PID 2616 wrote to memory of 2416	2616	rundll32.exe	30
PID 2616 wrote to memory of 2416	2616	rundll32.exe	30
PID 2616 wrote to memory of 2416	2616	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\puppa.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\puppa.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\puppa.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 2171f170e5130d90cfd8f8c4c58910ad29de8c7e0ee092d50f9b329944118f3f
MD5 71e3391d7cff3e8fe581012479720a05
SHA1 372e1da502f6f442911634bf91397458db94b0c1
SHA512 220e396f835bbde35e976d1a49145e6d345dd452315ad0c1ceeca8e4392fd61aa66a0ee88a6ff6acf785ae21bf9329562df9e50c60f5d5ee92e481887633f16b
MD5 SHA1 SHA512

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