MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b72439d35699411a879c806672ba24baa32fd29231c60139dd141c67c4611ff8. 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 1 YARA 4 File information Comments

SHA256 hash: b72439d35699411a879c806672ba24baa32fd29231c60139dd141c67c4611ff8
SHA3-384 hash: 47529731e2c0c2a6ef7c0702f83ee341b71154e68d06a818567510a68da3c1bc6b516d10a5788dfb8b23eac3ed5d90bb
SHA1 hash: 9f1a86856e3fb3b719e9aec535a74407bb8e960d
MD5 hash: a696134aada9d8ccc53e1f4c1a730a3e
humanhash: victor-papa-alaska-virginia
File name:a696134aada9d8ccc53e1f4c1a730a3e.exe
Download: download sample
Signature DCRat
File size:1'682'944 bytes
First seen:2022-08-16 15:50:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6sm8JijftfWIqZpyh/X6bSmV2GKz1oncoiF9GFwUvpHk3tSfEybcswrJ4gOEGEk:6D8Jijt+xpS/ekYmLGdhEAf7bCcjE
TLSH T193759D027E448E12F01D1633C2EF454847B0A9516AE6E36B7DBA376E59123A73E1C9CF
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13101/52/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://62.109.4.67/tojavascript_temporary.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://62.109.4.67/tojavascript_temporary.php https://threatfox.abuse.ch/ioc/843605/

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a696134aada9d8ccc53e1f4c1a730a3e.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-16 15:51:53 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Creating a file in the Windows subdirectories
Modifying an executable file
Moving a recently created file
Enabling the 'hidden' option for recently created files
Moving a file to the Program Files subdirectory
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe cscript.exe explorer.exe hacktool obfuscated packed schtasks.exe
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
Drops PE files to the user root directory
Drops PE files with benign system names
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
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684938 Sample: oCk1FmXU5O.exe Startdate: 16/08/2022 Architecture: WINDOWS Score: 100 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 4 other signatures 2->55 7 oCk1FmXU5O.exe 4 33 2->7         started        11 lsass.exe 3 2->11         started        13 hFHVQsLtBui.exe 2 2->13         started        15 23 other processes 2->15 process3 file4 41 C:\Users\user\Desktop\oCk1FmXU5O.exe (copy), PE32 7->41 dropped 43 C:\Recovery\smartscreen.exe, PE32 7->43 dropped 45 C:\Recovery\hFHVQsLtBui.exe, PE32 7->45 dropped 47 22 other files (19 malicious) 7->47 dropped 57 Drops PE files to the user root directory 7->57 59 Adds a directory exclusion to Windows Defender 7->59 61 Creates processes via WMI 7->61 63 Drops PE files with benign system names 7->63 17 cmd.exe 7->17         started        19 powershell.exe 7->19         started        21 powershell.exe 7->21         started        23 4 other processes 7->23 65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 signatures5 process6 process7 25 conhost.exe 17->25         started        27 w32tm.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 23->35         started        37 conhost.exe 23->37         started        39 conhost.exe 23->39         started       
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2022-08-14 18:13:00 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
b72439d35699411a879c806672ba24baa32fd29231c60139dd141c67c4611ff8
MD5 hash:
a696134aada9d8ccc53e1f4c1a730a3e
SHA1 hash:
9f1a86856e3fb3b719e9aec535a74407bb8e960d
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:BAZT_B5_NOCEXInvalidStream
Rule name:NETDIC208_NOCEX_NOREACTOR
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.

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