332361a6e1e244caadfaca68b60c6962085411cff293188b4acdf792a42f6360

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
04/04/2024, 20:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

inbox/100000202580053@msgr_5/messages.json
Size

6KB
MD5

9f12e961462648548e8b4b1e3d23f48b
SHA1

c32dce4874e6c10bc4c3bee11a9d7debfb19c861
SHA256

3775db5f21dfb38af96b828ebb4e3a61645293c675a00402036a44c275b1e0e9
SHA512

1e7c5baa52a3e84308e32acc921ce52183371818b9c909169a749de27cc5c8d5686b6ecc555c02b4570a2e89e22a492c1d48da27de2088b56ba68bca610f6e42
SSDEEP

192:sZ7aZCAZrAZ6KAZDAZIAZyAZlAZcAZ8AZXAZEWAZhAZBAZNAZ/AZ8nAZRAZi7V:sMty0DWv18HT+O/MUwemAoM

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_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-1-5-21-2610426812-2871295383-373749122-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2656	2376	cmd.exe	29
PID 2376 wrote to memory of 2656	2376	cmd.exe	29
PID 2376 wrote to memory of 2656	2376	cmd.exe	29
PID 2656 wrote to memory of 2716	2656	rundll32.exe	30
PID 2656 wrote to memory of 2716	2656	rundll32.exe	30
PID 2656 wrote to memory of 2716	2656	rundll32.exe	30
PID 2656 wrote to memory of 2716	2656	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\inbox\100000202580053@msgr_5\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\inbox\100000202580053@msgr_5\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2656
- - 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\inbox\100000202580053@msgr_5\messages.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2716

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
63f592974b706bfed554dd24ed69712c

SHA1
cf7c8aea1d5b3a212bc6581b2e9acaba85741e6e

SHA256
49da4f85ea4e92a3d46c1b8d64f13f2cd542192e6ad8a8543a7819df677a3b66

SHA512
40f8bb67e38ff731a14bc20f38128631a141f412d376892648f988753554b048a5de27db1efd4719790b427405b025dbac5231620ecf5ddb25ac8bc13532e9a1

Download Submit