MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


DCRat


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf
SHA3-384 hash: eb19b88952ba2b06b46a8632d0ff323832add229314a758509f6314d1aafa4483c450a65d306082cf2d4ae4ff063159f
SHA1 hash: a1d8dfa94ef3e7d83fd9d869fce01e79614638ab
MD5 hash: 51b21a7709143927c3a5ccc425adfa4e
humanhash: uranus-edward-cola-sodium
File name:A659F1B339E768E346A59F41691D2350B6C8DBF125285.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'315'776 bytes
First seen:2023-05-03 15:05:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:HieQYQ9j2jROJRYJUG/p5ru6gRJe3mh4TvY3L91i84:9QYQ9j2ss/p5ru1z33
TLSH T1B6B5CE027E54CE01F01A1633C2EF454847B09E526AE6E32B7DBA376D65123A77C0CADB
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://867280.clmonth.nyashteam.top/nyashsupport.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
A659F1B339E768E346A59F41691D2350B6C8DBF125285.exe
Verdict:
Malicious activity
Analysis date:
2023-05-03 15:07:22 UTC
Tags:
rat backdoor dcrat stealer
Link:
https://app.any.run/tasks/e37f44d5-f176-45b4-a4bd-38a70c41d561

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/386277/
Detection(s):
Win.Packed.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Basic-9952747-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Query of malicious DNS domain
Stealing user critical data
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe cscript.exe dcrat explorer.exe hacktool obfuscated packed schtasks.exe
Link:
https://www.filescan.io/uploads/6452785aeabaad23dca17457/reports/bc720ce1-b863-4a94-8ccd-e0868e12e5ec/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dbc64a0a-7050-472f-9b78-c26671965146
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1225514
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates processes via WMI
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 858475 Sample: A659F1B339E768E346A59F41691... Startdate: 03/05/2023 Architecture: WINDOWS Score: 100 31 867280.clmonth.nyashteam.top 2->31 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Antivirus detection for URL or domain 2->39 41 9 other signatures 2->41 7 A659F1B339E768E346A59F41691D2350B6C8DBF125285.exe 1 16 2->7         started        11 wininit.exe 3 2->11         started        13 TFmpagLxAJIxabCsURqWiUfQZbx.exe 2 2->13         started        15 14 other processes 2->15 signatures3 process4 file5 21 C:\Users\...\TFmpagLxAJIxabCsURqWiUfQZbx.exe, PE32 7->21 dropped 23 C:\Recovery\TFmpagLxAJIxabCsURqWiUfQZbx.exe, PE32 7->23 dropped 25 C:\ProgramData\...\wininit.exe, PE32 7->25 dropped 27 5 other malicious files 7->27 dropped 43 Creates processes via WMI 7->43 45 Drops PE files with benign system names 7->45 17 TFmpagLxAJIxabCsURqWiUfQZbx.exe 14 311 7->17         started        47 Antivirus detection for dropped file 11->47 49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 53 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 13->53 signatures6 process7 dnsIp8 29 867280.clmonth.nyashteam.top 94.142.138.11, 49695, 49696, 49697 IHOR-ASRU Russian Federation 17->29 33 Tries to harvest and steal browser information (history, passwords, etc) 17->33 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2023-03-21 17:34:56 UTC
File Type:
PE (.Net Exe)
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzm7dmzz45uogrvft5awshjdkc3mrw7reuufmj53oarnehm6xlhq._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat spyware stealer
Link:
https://tria.ge/reports/230503-sgp87afa97/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
Link:
https://www.unpac.me/results/a1a22f82-122c-4e4c-8559-719499862a7a/
SH256 hash:
a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf
MD5 hash:
51b21a7709143927c3a5ccc425adfa4e
SHA1 hash:
a1d8dfa94ef3e7d83fd9d869fce01e79614638ab
Link:
https://www.unpac.me/results/a1a22f82-122c-4e4c-8559-719499862a7a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DCRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a659f1b339e768e346a59f41691d2350b6c8dbf125285627bb7022d21d9ebacf

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/386277/

Comments