MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a1ffcbab9bff4a033a26e8b9a08039955ac14ac5ce1f8fb22ff481109d781a7. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 1a1ffcbab9bff4a033a26e8b9a08039955ac14ac5ce1f8fb22ff481109d781a7
SHA3-384 hash: c4b1b217e8a10046d929edb57880dad0d392d54f72306c620811c08a55d36a6481600ac91f3241e62b959dd5d115d7a2
SHA1 hash: e78ce697bb80864fd0e4fec93354e80a889f6f7d
MD5 hash: 1412faf1bfd96e91340cedcea80ee09d
humanhash: bakerloo-london-zulu-london
File name:file
Download: download sample
Signature DCRat
File size:2'993'664 bytes
First seen:2023-09-15 16:06:27 UTC
Last seen:2023-09-15 16:43:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:2dt3hZI7AHalFv0lcW6WhzA1qT17JER/QHRgzsJ3YTwFN4JpxC/bH:2dt3o7w010lcU/7ZHRvFGxC
Threatray 486 similar samples on MalwareBazaar
TLSH T10ED5D00A5D626E37C2757B3098EB401ED3F1C6327552EF0B395F14E6A807231AE6B5B2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter jstrosch
Tags:.NET DCRat exe MSIL

Intelligence


File Origin
# of uploads :
2
# of downloads :
299
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-09-15 16:10:35 UTC
Tags:
stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Creates processes via WMI
Drops PE files to the user root directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1309090 Sample: file.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 61 akamaitechcdns.com 2->61 65 Antivirus detection for URL or domain 2->65 67 Antivirus detection for dropped file 2->67 69 Antivirus / Scanner detection for submitted sample 2->69 71 5 other signatures 2->71 8 file.exe 5 21 2->8         started        12 hnbutmKjpCfTsfcfbCqJIpCaj.exe 2->12         started        15 hnbutmKjpCfTsfcfbCqJIpCaj.exe 2->15         started        17 5 other processes 2->17 signatures3 process4 dnsIp5 45 C:\Users\user\Desktop\zkPLMqxL.log, PE32 8->45 dropped 47 C:\Users\user\Desktop\xnnDrriQ.log, PE32 8->47 dropped 49 C:\Users\user\Desktop\xEuVFMcT.log, PE32 8->49 dropped 57 9 other malicious files 8->57 dropped 73 Creates an undocumented autostart registry key 8->73 75 Drops PE files to the user root directory 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 87 2 other signatures 8->87 19 cmd.exe 8->19         started        21 powershell.exe 9 8->21         started        23 powershell.exe 10 8->23         started        25 12 other processes 8->25 63 akamaitechcdns.com 172.67.216.70, 49704, 49706, 49708 CLOUDFLARENETUS United States 12->63 51 C:\Users\user\Desktop\zZgNhfZR.log, PE32 12->51 dropped 53 C:\Users\user\Desktop\yAnFHUFg.log, PE32 12->53 dropped 55 C:\Users\user\Desktop\vJUoYrlX.log, PE32 12->55 dropped 59 8 other malicious files 12->59 dropped 79 Tries to harvest and steal browser information (history, passwords, etc) 12->79 81 Multi AV Scanner detection for dropped file 15->81 83 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->83 85 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 15->85 file6 signatures7 process8 process9 27 conhost.exe 19->27         started        29 chcp.com 19->29         started        41 2 other processes 19->41 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 conhost.exe 25->39         started        43 8 other processes 25->43
Threat name:
ByteCode-MSIL.Trojan.Vigorf
Status:
Malicious
First seen:
2023-09-08 18:29:11 UTC
File Type:
PE (.Net Exe)
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
f70c0013705e60ea105a2fd893e40472def66dfa4d59a3e143356fd52d6d1150
MD5 hash:
f177852bb798349972e422c9f41a44bc
SHA1 hash:
41bdcea623b339db56cb5a33a589d3518c03ba4f
SH256 hash:
1a1ffcbab9bff4a033a26e8b9a08039955ac14ac5ce1f8fb22ff481109d781a7
MD5 hash:
1412faf1bfd96e91340cedcea80ee09d
SHA1 hash:
e78ce697bb80864fd0e4fec93354e80a889f6f7d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

DCRat

Executable exe 1a1ffcbab9bff4a033a26e8b9a08039955ac14ac5ce1f8fb22ff481109d781a7

(this sample)

  
Delivery method
Distributed via web download

Comments