52a96fc5708b50b5659d37adef3c93d37c9200dd0b157ca2e2c0b5abc0988a44

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/07/2024, 09:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cryptid/storage/CryptidServer.deps.json
Size

431B
MD5

2403dcb780cd68c22d5fc3af2079460f
SHA1

3beb6463e927d8b9683dc02e23a9f83f4cd367fd
SHA256

024df864216e7c8a0815c98f26810521be97ac913636e25b7b027e68bd12a3e6
SHA512

1b928640f9e3b6bfc5327d0009fdd70e978ddaba4f66f10cec6240ac0b7cd8933be70e59b6349bb25c575953c157ff100b563c812c538a12aa2fb33d48893ae9

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-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2040	1976	cmd.exe	31
PID 1976 wrote to memory of 2040	1976	cmd.exe	31
PID 1976 wrote to memory of 2040	1976	cmd.exe	31
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cryptid\storage\CryptidServer.deps.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cryptid\storage\CryptidServer.deps.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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\cryptid\storage\CryptidServer.deps.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:736

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
320b703ec307f3eac6861ea8b3cca6be

SHA1
7f31a95af9988fcfb7aefed7b395143b9a1ec8fc

SHA256
7693855c3fbf095393d5c0dfd5950828ae204bc440db7371d90619ec308620ad

SHA512
5ff85d2a1f33c658a428bf7345e9f9f50987f62b206afddec26a61e028c3d5bc11922a2787312b09c213af3fa2714bc4863b0481e301f899c4f59d147043b365

Download Submit