MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1a3d07b7d2a764011affbede324e5f01590697e110a1c934d21c3627d3d1484. 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 1 YARA 3 File information Comments

SHA256 hash: a1a3d07b7d2a764011affbede324e5f01590697e110a1c934d21c3627d3d1484
SHA3-384 hash: a446462b564a4b22416824d19172491d16632591aeac5fc28b675fea20224585b024b6900a3ac52c2302e6cdfc912e62
SHA1 hash: 4a37632ec2eddb1d04d29a90cf8c24a4b763aafe
MD5 hash: c5222ae0ea24d13f227b07b2a241f138
humanhash: six-lion-apart-butter
File name:c5222ae0ea24d13f227b07b2a241f138.exe
Download: download sample
Signature DCRat
File size:1'194'591 bytes
First seen:2022-08-17 01:35:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (864 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:P2G/nvxW3W10YOvxSdHAmX/Q3HXLJVtZP+pIhLz7Twb:PbA3HYOM1sNVCpIhQb
TLSH T1004528027ED88D51E0191233D6AF450447B5AC212ABAE31B7DB93F6D74263923C1DBEB
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 6533b2f0f0e8f071 (1 x RedLineStealer, 1 x DCRat)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://64198.clmonth.nyashteam.ml/nyashsupport.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://64198.clmonth.nyashteam.ml/nyashsupport.php https://threatfox.abuse.ch/ioc/843679/

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c5222ae0ea24d13f227b07b2a241f138.exe
Verdict:
Malicious activity
Analysis date:
2022-08-17 01:36:55 UTC
Tags:
trojan rat backdoor dcrat

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
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
Sending a custom TCP request
Launching a process
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:
80%
Tags:
dcrat greyware overlay packed packed scar 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
Antivirus detection for URL or domain
Creates processes via WMI
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
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: 685144 Sample: bUOZgwcfpY.exe Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 42 64198.clmonth.nyashteam.ml 2->42 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Antivirus detection for URL or domain 2->50 52 9 other signatures 2->52 9 bUOZgwcfpY.exe 3 6 2->9         started        12 System.exe 2->12         started        15 Registry.exe 2->15         started        18 26 other processes 2->18 signatures3 process4 dnsIp5 38 C:\Chainblockdriver\comCrt.exe, PE32 9->38 dropped 40 C:\...\2hWyGenlgt9sSG9bQhrA.vbe, data 9->40 dropped 20 wscript.exe 1 9->20         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 44 64198.clmonth.nyashteam.ml 178.248.214.228, 49714, 49715, 49716 MEDIACTIVE-NETWORKMEDIACTIVESASFR France 15->44 file6 signatures7 process8 process9 22 cmd.exe 1 20->22         started        process10 24 comCrt.exe 3 20 22->24         started        28 conhost.exe 22->28         started        file11 30 C:\Windows\System32\...\eEWdmrSfouLzxfxnh.exe, PE32 24->30 dropped 32 C:\ProgramData\backgroundTaskHost.exe, PE32 24->32 dropped 34 C:\Program Files (x86)\...\Registry.exe, PE32 24->34 dropped 36 4 other malicious files 24->36 dropped 54 Antivirus detection for dropped file 24->54 56 Multi AV Scanner detection for dropped file 24->56 58 Machine Learning detection for dropped file 24->58 60 Creates processes via WMI 24->60 signatures12
Threat name:
Win32.Backdoor.DCRat
Status:
Malicious
First seen:
2022-08-13 14:24:59 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
30 of 41 (73.17%)
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
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:
b4a64d93f939e461b6cef303da21507d652d53540f625462f6c3e839f79db08c
MD5 hash:
60dfbbbde1be0026a2347e5c99bc8e87
SHA1 hash:
8938527a3919de9d8a77f65bc936384b00aa2e86
SH256 hash:
a1a3d07b7d2a764011affbede324e5f01590697e110a1c934d21c3627d3d1484
MD5 hash:
c5222ae0ea24d13f227b07b2a241f138
SHA1 hash:
4a37632ec2eddb1d04d29a90cf8c24a4b763aafe
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