MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f
SHA3-384 hash: 63671ff0dcaec4004830b55dae079c2752c3fad4bb823976260e96c71f887bcf13bbb8aed2aa5528f91d566df534e730
SHA1 hash: 4aa13abdbf8443fff921c4997b813a610944ebaa
MD5 hash: 0099aaa30ee45e4ca8122824ce23f2e2
humanhash: sodium-chicken-oranges-william
File name:A6AA3CCC30B95DE5481523038E8D520A72F55A75E2D77.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'165'985 bytes
First seen:2023-04-11 16:20:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (875 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:u2G/nvxW3WieC49TPmRmPJSoRQnI5aNJNuHnG:ubA3jCP/JmrNQG
Threatray 23 similar samples on MalwareBazaar
TLSH T15B455A027F44DA11F0091633C2FF450847B4AD50AAA6E72B7EBA376D55223A77C4DACB
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://87550.clmonth.nyashteam.ru/Eternaltemp.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
A6AA3CCC30B95DE5481523038E8D520A72F55A75E2D77.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 16:22:03 UTC
Tags:
rat backdoor dcrat
Link:
https://app.any.run/tasks/2f01137f-25db-458c-8891-d72d867b7474

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/381528/
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Trojan.Uztuby-9855059-0
Create hunting rule

Win.Ransomware.Clinix-9868408-0
Create hunting rule

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

Win.Malware.Uztuby-9957322-0
Create hunting rule

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

Win.Packed.Uztuby-9969968-0
Create hunting rule

Win.Malware.Uztuby-9972880-0
Create hunting rule

Win.Trojan.DarkKomet-9976180-0
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

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
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Enabling autorun
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77429/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f
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/4ad4a27b-9d2e-4e95-a04d-c7ab653ec5cc
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211944
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
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
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: 844860 Sample: A6AA3CCC30B95DE5481523038E8... Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 52 87550.clmonth.nyashteam.ru 2->52 64 Multi AV Scanner detection for domain / URL 2->64 66 Antivirus detection for URL or domain 2->66 68 Antivirus detection for dropped file 2->68 70 8 other signatures 2->70 11 A6AA3CCC30B95DE5481523038E8D520A72F55A75E2D77.exe 3 6 2->11         started        14 WmiPrvSE.exe 2 2->14         started        17 ASxoHfYcUpmGKGyhKyC.exe 2 2->17         started        19 15 other processes 2->19 signatures3 process4 dnsIp5 48 C:\...\drivercrtNet.exe, PE32 11->48 dropped 50 C:\...\D3x5h8A8Ww.vbe, data 11->50 dropped 22 wscript.exe 1 11->22         started        80 Antivirus detection for dropped file 14->80 82 Multi AV Scanner detection for dropped file 14->82 84 Machine Learning detection for dropped file 14->84 86 Creates processes via WMI 14->86 54 87550.clmonth.nyashteam.ru 19->54 56 87550.clmonth.nyashteam.ru 19->56 file6 signatures7 process8 process9 24 cmd.exe 1 22->24         started        process10 26 drivercrtNet.exe 9 12 24->26         started        30 conhost.exe 24->30         started        file11 42 C:\Windows\...\ASxoHfYcUpmGKGyhKyC.exe, PE32 26->42 dropped 44 C:\Users\Public\Videos\SearchUI.exe, PE32 26->44 dropped 46 C:\Recovery\WmiPrvSE.exe, PE32 26->46 dropped 72 Antivirus detection for dropped file 26->72 74 Multi AV Scanner detection for dropped file 26->74 76 Creates an undocumented autostart registry key 26->76 78 4 other signatures 26->78 32 cmd.exe 26->32         started        signatures12 process13 signatures14 62 Drops executables to the windows directory (C:\Windows) and starts them 32->62 35 ASxoHfYcUpmGKGyhKyC.exe 32->35         started        38 w32tm.exe 32->38         started        40 conhost.exe 32->40         started        process15 dnsIp16 58 87550.clmonth.nyashteam.ru 94.142.138.11, 49695, 49696, 49697 IHOR-ASRU Russian Federation 35->58 60 192.168.2.1 unknown unknown 38->60
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2023-04-08 18:38:19 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2vdztbqxfo6ksavemby5dksbjzpkwtv4llxyr3h4eycvvrdaopq._file
Verdict:
malicious
Similar samples:
358703038c3b93090c0b16fa4faae92a82661893ebc41027cccde34338009e26
DCRat
6a1ca85112c7bd9cd3305c97fd62c4fb8767ce7d7452166611871a1d22598498
DCRat
71ad11ff3fd6d1549ef00045cf983a39e9aeb6e27563674ae90fcde81e559188
DCRat
82e50ce98fa513afc6c5d8d4751f8235c7641000c8f3a88ebb7e8681325198c3
DCRat
f633ff174c68ede50bc38cd4d5971b47aced64305357da5379eed43178689146
DCRat
+ 13 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat
Link:
https://tria.ge/reports/230411-ttm52afc2v/
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
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
507d878b1214453f1085eefc01ff56dfbbe88cd82ed01fc3ec65796815c4dcf3
MD5 hash:
b7c3cca842c0f6dcd0d0e927d80b0caf
SHA1 hash:
87a070adc684f7ebe85eefb9ec66e890ea6c2dcc
Link:
https://www.unpac.me/results/5c8639b9-9565-4f4d-b2a6-cc80b557ba9c/
SH256 hash:
a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f
MD5 hash:
0099aaa30ee45e4ca8122824ce23f2e2
SHA1 hash:
4aa13abdbf8443fff921c4997b813a610944ebaa
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/5c8639b9-9565-4f4d-b2a6-cc80b557ba9c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a6aa3ccc30b9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a6aa3ccc30b95de5481523038e8d520a72f55a75e2d77c4767e1302ad623039f

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
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:win_xorist_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.

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/381528/

Comments