MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f4b18ac949d7f85218e4843fea31dceca3c625247b66bcaad12d42d809caa1a. 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: 12


Intelligence 12 IOCs 1 YARA 3 File information Comments

SHA256 hash: 3f4b18ac949d7f85218e4843fea31dceca3c625247b66bcaad12d42d809caa1a
SHA3-384 hash: c33de4f7fc0e433479f4da500cfc47819c2d97965cbe72c7be9314868a012b45ec8bfd46102bf63da3ebaeca2e0fe395
SHA1 hash: a6575671d88734071e2f48589922571f9015057a
MD5 hash: 6a0a38f01018c1992bc04619859577ef
humanhash: diet-colorado-music-vegan
File name:3f4b18ac949d7f85218e4843fea31dceca3c625247b66.exe
Download: download sample
Signature DCRat
File size:1'338'999 bytes
First seen:2022-10-15 01:31:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0tMZ213HDNem6VdrZeWjpseCyA7aznW:UbA30ME5N2drZMygaK
Threatray 5'708 similar samples on MalwareBazaar
TLSH T131555A027F548A11F1181637D2EF890847B4ED502AAAE71B7EBE336D95123937D1CACB
TrID 54.2% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
40.3% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
2.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://webaitech.xyz/Jstemporary.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://webaitech.xyz/Jstemporary.php https://threatfox.abuse.ch/ioc/889683/

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
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
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat greyware makop overlay packed packed setupapi.dll shdocvw.dll shell32.dll
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.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
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
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Snort IDS alert for network traffic
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: 723690 Sample: 3f4b18ac949d7f85218e4843fea... Startdate: 15/10/2022 Architecture: WINDOWS Score: 100 44 webaitech.xyz 2->44 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for dropped file 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 11 other signatures 2->56 10 3f4b18ac949d7f85218e4843fea31dceca3c625247b66.exe 3 10 2->10         started        13 explorer.exe 3 2->13         started        15 Memory Compression.exe 3 2->15         started        17 16 other processes 2->17 signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\...\windhcp.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\...\gkUPEZliA19zs.vbe, data 10->42 dropped 19 wscript.exe 1 10->19         started        process6 process7 21 cmd.exe 1 19->21         started        process8 23 windhcp.exe 1 12 21->23         started        27 conhost.exe 21->27         started        file9 32 C:\Windows\...\Memory Compression.exe, PE32 23->32 dropped 34 C:\Program Files\...\OVmEAVOgrq.exe, PE32 23->34 dropped 36 C:\Program Files (x86)\...\explorer.exe, PE32 23->36 dropped 38 C:\MSOCache\...\Memory Compression.exe, PE32 23->38 dropped 58 Antivirus detection for dropped file 23->58 60 Multi AV Scanner detection for dropped file 23->60 62 Machine Learning detection for dropped file 23->62 64 3 other signatures 23->64 29 Memory Compression.exe 23->29         started        signatures10 process11 dnsIp12 46 webaitech.xyz 116.202.5.93, 49707, 49708, 49714 HETZNER-ASDE Germany 29->46 48 192.168.2.1 unknown unknown 29->48
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2022-10-14 07:24:56 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
29 of 42 (69.05%)
Threat level:
  5/5
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
150bc49f9755f25221bfc445c7a067615cdb8de797c6c6ba873e3f56e0036799
MD5 hash:
62e2e1875fed8255a355ad33978871f8
SHA1 hash:
cbd378e64a125ba6b0306d126eec6bd4cecda46c
SH256 hash:
f84acaa0e76e331b9b283dd6294b092d2cedc03345383eb3483c571b7e788900
MD5 hash:
3f6a063ab81fb727e7f540fd474637f0
SHA1 hash:
78797f0241f127af55adeb30bd9affaa874fe383
SH256 hash:
3f4b18ac949d7f85218e4843fea31dceca3c625247b66bcaad12d42d809caa1a
MD5 hash:
6a0a38f01018c1992bc04619859577ef
SHA1 hash:
a6575671d88734071e2f48589922571f9015057a
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

Comments