dcrat | 6983444f08941c47b17a1c0f23431f538340e0febaa5858a4afed5bb75650908 | Triage

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Overview

overview

Static

static

1889e4152e...8a.dll

windows7-x64

8

1889e4152e...8a.dll

windows10-2004-x64

Sharing

General

Target

1889e4152e16cfe78a18739fed6fb08a.dll
Size

2.7MB
Sample

220907-lw8krabff5
MD5

1889e4152e16cfe78a18739fed6fb08a
SHA1

5e6f4589a3006a311e02ade1384b9898f490b597
SHA256

6983444f08941c47b17a1c0f23431f538340e0febaa5858a4afed5bb75650908
SHA512

89339007911e01c6d7f24737efa92fc61d1287a31dcee2e802d381c2a9981375212b19bcc270a39a3872b1b4983eb07a4caa4cbf9fa7f6822408263346e83488
SSDEEP

49152:UnwY5UQC3ad5/iojZIphmzJAwSXX6cIOjYzxlOwtqo:yj9JAwyqKjYzxlOwz

Score

10^/10

dcrat evasion infostealer persistence rat spyware stealer trojan

Static task

static1

Behavioral task

behavioral1

Sample

1889e4152e16cfe78a18739fed6fb08a.dll

Resource

win7-20220812-en

spyware stealer

windows7-x64

4 signatures

150 seconds

Behavioral task

behavioral2

Sample

1889e4152e16cfe78a18739fed6fb08a.dll

Resource

win10v2004-20220812-en

dcrat evasion infostealer persistence rat spyware stealer trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  1889e4152e16cfe78a18739fed6fb08a.dll
- Size
  
  2.7MB
- MD5
  
  1889e4152e16cfe78a18739fed6fb08a
- SHA1
  
  5e6f4589a3006a311e02ade1384b9898f490b597
- SHA256
  
  6983444f08941c47b17a1c0f23431f538340e0febaa5858a4afed5bb75650908
- SHA512
  
  89339007911e01c6d7f24737efa92fc61d1287a31dcee2e802d381c2a9981375212b19bcc270a39a3872b1b4983eb07a4caa4cbf9fa7f6822408263346e83488
- SSDEEP
  
  49152:UnwY5UQC3ad5/iojZIphmzJAwSXX6cIOjYzxlOwtqo:yj9JAwyqKjYzxlOwz
Score

10^/10

spyware stealer dcrat evasion infostealer persistence rat trojan
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Windows security bypass
  evasion trojan
- DCRat payload
  Detects payload of DCRat, commonly dropped by NSIS installers.
  rat
- Blocklisted process makes network request
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Credentials in Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

dcratevasioninfostealerpersistenceratspywarestealertrojan

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