cc24fb493ea2e8b879429b3d4a475d2f9abc4a3ccca61fdbfdbe3a71af16d722

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 02:51

Target

bin/save.json
Size

46B
MD5

877b13372acbf8bf740694d141d1aeb0
SHA1

0c764bef8a7c94ef610c129720d3d3d9a66fea3f
SHA256

1bc3e6bcf3d47756fe6e456ce68165d39ea8358186d1a9bb4b2e5911389b22c1
SHA512

38a6a7e7bf9572daeabbafb7bb1868d09f9b487e84e17da263f627315623952ab203c8dc5e940b6d59d15183bdd43d153a08ae421f12d085480e73fcbc3b5b82

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\json_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

2628 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2628 AcroRd32.exe
2628 AcroRd32.exe

pid	process
2628	AcroRd32.exe

pid	process
2628	AcroRd32.exe
2628	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bin\save.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bin\save.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\save.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2628

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
58f56b17ea81867fb8181e75fb8702fd

SHA1
5fa9947c9917fe3abc91e4924ca6886acf407efd

SHA256
901efac22319527b56c09bce1839ab79b7e5988d5306c558c9592450255d0b00

SHA512
c00c143ce28911404dfaf562b2160a3e64a9549312f3acec9569d545bca1d9ffce6420868ce2b9d8e9054f8fd9f4316dda6b4d2fefca96d572662c333b613ada

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