MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f
SHA3-384 hash: 0fabe74f12e91cc138ac558b58956c9b76e8dec01b2868a082fd73761d75fd61846618822432dcb7ae9be913b84a8fda
SHA1 hash: bebd2f10abb04fb39d33eead4ab01ac0c98c38c3
MD5 hash: 4994207972e792f8112c891760ce5523
humanhash: salami-yellow-angel-juliet
File name:4994207972e792f8112c891760ce5523.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'741'999 bytes
First seen:2023-03-21 00:00:53 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/nvxW3Ww0ted5uhXpZw1OtBN/8ibAs9ALpW7q7e2k96SQsa+JFu2sIz4xP:UbA30ed5o/LABVS+YcR
TLSH T121859D017E44CA11F0191233C2EF490887B4AC526AA6E71F7EB9376E65123B37D1DADB
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 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://802772.clmonth.nyashteam.top/nyashsupport.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
4994207972e792f8112c891760ce5523.exe
Verdict:
Malicious activity
Analysis date:
2023-03-21 00:04:02 UTC
Tags:
rat backdoor dcrat evasion stealer
Link:
https://app.any.run/tasks/a178e829-10ab-4344-9699-949b1bda3ca9

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/376015/
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.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Basic-9952747-0
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
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74328/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat makop packed
Link:
https://www.filescan.io/uploads/6418f3beb236355850d70ba1/reports/84fbc7a3-0781-45a3-b64f-3bfbc2aaf69e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f
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/9c71f823-bded-44e0-8bbc-8f9098d0f576
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1198120
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 processes via WMI
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
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 831021 Sample: RThm7dMphR.exe Startdate: 21/03/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Antivirus detection for URL or domain 2->41 43 Antivirus detection for dropped file 2->43 45 7 other signatures 2->45 8 RThm7dMphR.exe 3 6 2->8         started        11 owaPgWzhoTWBOQE.exe 2 2->11         started        13 owaPgWzhoTWBOQE.exe 3 2->13         started        15 23 other processes 2->15 process3 file4 35 C:\chainComsessiondhcpSvc\hyperintodhcp.exe, PE32 8->35 dropped 37 C:\...UUBgivSd08oacviC1.vbe, data 8->37 dropped 17 wscript.exe 1 8->17         started        process5 process6 19 cmd.exe 1 17->19         started        process7 21 hyperintodhcp.exe 3 26 19->21         started        25 conhost.exe 19->25         started        file8 27 C:\Windows\...\owaPgWzhoTWBOQE.exe, PE32 21->27 dropped 29 C:\Recovery\owaPgWzhoTWBOQE.exe, PE32 21->29 dropped 31 C:\Recovery\lsass.exe, PE32 21->31 dropped 33 7 other malicious files 21->33 dropped 47 Antivirus detection for dropped file 21->47 49 Machine Learning detection for dropped file 21->49 51 Creates processes via WMI 21->51 53 Drops PE files with benign system names 21->53 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 16:37:57 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
29 of 39 (74.36%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vap4qtyw7vsqd5p47zxagh6uvrz5spsiub3kzi7zn4iunx4nsbxq._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat spyware stealer
Link:
https://tria.ge/reports/230321-aawtaafh66/
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
307c03183c24ef834e1401743b6a9b9c9b0057135ddd3e6777b4bdf740922aca
MD5 hash:
4909b9f036a4f9752a3e1d84803505d7
SHA1 hash:
e1c657c0608ab86fad18d72dfacf0f0b5a027f0b
Link:
https://www.unpac.me/results/d1e18695-42e9-4c6e-84f5-7340a6d81790/
SH256 hash:
3aa402e9ddaa5239114ad7ea1339b6f979168feb6789e68d71586b2193f99c52
MD5 hash:
aeb52352bf15ecf8075968733e898e80
SHA1 hash:
25cb961dc24c875739c8429ed831199da1ffe274
Link:
https://www.unpac.me/results/d1e18695-42e9-4c6e-84f5-7340a6d81790/
SH256 hash:
a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f
MD5 hash:
4994207972e792f8112c891760ce5523
SHA1 hash:
bebd2f10abb04fb39d33eead4ab01ac0c98c38c3
Link:
https://www.unpac.me/results/d1e18695-42e9-4c6e-84f5-7340a6d81790/
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/a81fc84f16fd6501f5fcfe6e031fd4ac73d93e48a076aca3f96f1146df8d906f

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.

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/376015/

Comments