cc24fb493ea2e8b879429b3d4a475d2f9abc4a3ccca61fdbfdbe3a71af16d722

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 02:51

Target

bin/api-docs.json
Size

5.9MB
MD5

19c541f355cad5fb427a38317479b698
SHA1

aebc5b3b123ab962606b6072806027d9b6c758e9
SHA256

6c003208304e585290c9a655c51e5789c4f3e4241a9abc0139a9dbeb5d2884b1
SHA512

78e3cbe554cdf02457a3892033ebd9f74c5b4446e306248594d682918ea5dc6e52cafe72b3bdf59fda1f9f5b3879576ca1ef2d35cebc66f1d55543b618bcf7e5
SSDEEP

24576:7ccjk1+ox2ptidmo2KtMTdxsuBqXhGz+rM:hiVuBqXhGz+rM

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_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\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2516 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2516 AcroRd32.exe
2516 AcroRd32.exe

pid	process
2516	AcroRd32.exe

pid	process
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1720 wrote to memory of 2812	1720	cmd.exe	rundll32.exe
PID 1720 wrote to memory of 2812	1720	cmd.exe	rundll32.exe
PID 1720 wrote to memory of 2812	1720	cmd.exe	rundll32.exe
PID 2812 wrote to memory of 2516	2812	rundll32.exe	AcroRd32.exe
PID 2812 wrote to memory of 2516	2812	rundll32.exe	AcroRd32.exe
PID 2812 wrote to memory of 2516	2812	rundll32.exe	AcroRd32.exe
PID 2812 wrote to memory of 2516	2812	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bin\api-docs.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bin\api-docs.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\bin\api-docs.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2516

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
49db7fa0cf4149a487e14f6c20015c13

SHA1
f74a9694d297cccf44fc3e12e11a8007ee8b4d83

SHA256
0cc045ea858bf8658671c87a1917a406c31ddc0179a92a6955f751c3676ea1dc

SHA512
cb7cf153c10b12add6ed4e2b0c09be51f13221f01658c4975e7232fca160ce6fc731019797ee041011a5b4a6c33311f7dcc7967d299b0e0fb5e3773cfad9f5e2

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