a618741c9fac2dcf1fe823eb335b696eac70866614a5e75b8f8e7a878f0f0746

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24/07/2023, 07:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

config.json
Size

764B
MD5

cb695f656db409f0296206e269d94a11
SHA1

a3abb12a7cf8ce7cd7a3904c9ce7e24bb1b6638f
SHA256

af455711345a8a2dd7cb46999e68d4fe3a6bf44e2a835246f1d83ee5e030a20d
SHA512

edff1ea2284b6259bb8966e156fcd86afe617f7a85fd573ae28764aa4c162f188bcda180fdcb148296fb625d92b19975c1ccebc6f03872b70e3376dbfa1895a3

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-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_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

pid	Process
1740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2524	2820	cmd.exe	29
PID 2820 wrote to memory of 2524	2820	cmd.exe	29
PID 2820 wrote to memory of 2524	2820	cmd.exe	29
PID 2524 wrote to memory of 1740	2524	rundll32.exe	30
PID 2524 wrote to memory of 1740	2524	rundll32.exe	30
PID 2524 wrote to memory of 1740	2524	rundll32.exe	30
PID 2524 wrote to memory of 1740	2524	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1740

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
23b02b5d4e3de81c7cf053ab8d2b2a46

SHA1
2a2782f7836a2e304bbc61e18e42ab8288de512e

SHA256
2f22507f655c646137f43f00bf68aa74bf5c3209869753cbb2aca57dda21eeaf

SHA512
7024dda8f7057f95465087bbcdebb083640b03064df95ca4be3f5e6f00d26fb03d0cfe5d8b204a6f7c8dcecab6ae41c22d07769544bd1169be5f0df4eeab1513

Download Submit