9cd1233a50262eb8fb441f83dfacdf7ff435ce982640404217660e356e5eb9c4

Resubmissions

03-07-2024 11:31

240703-nmnv4azgng 7

03-07-2024 11:27

240703-nkm6sathqj 8

Analysis

max time kernel
3s
max time network
0s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 11:31

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General

Target

Crystalware b10 PREMIUM.rar
Size

15.4MB
MD5

2224de9e3409a823b6fd3855028bd630
SHA1

56b4bf2551d2a40efdc425561f51e430a19ad660
SHA256

9cd1233a50262eb8fb441f83dfacdf7ff435ce982640404217660e356e5eb9c4
SHA512

500dd8aa3f27b78341d46aa83be883b1ebf303650471b8df120d1be71383c8fe94a1a8a0a6f99602c4e031949e6f8755613c0c5708863a518a3218969bdb5ee4
SSDEEP

393216:bufAsbCeLWQIOcNzs5XUkhtvxv73u56/W+BB36/5:KfAspWraZvjq6/WSB36B

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2660	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2660	2824	cmd.exe	29
PID 2824 wrote to memory of 2660	2824	cmd.exe	29
PID 2824 wrote to memory of 2660	2824	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Crystalware b10 PREMIUM.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Crystalware b10 PREMIUM.rar
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2660

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads