MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d. 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 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d
SHA3-384 hash: 2db9f3d4918f7c65304e02384936b49fea47691786eab1538522f5821f7a68b7d4de35ff6e4bfc2a64aa5557129ed0fc
SHA1 hash: 8f83eb20b50977351e8c0bc852ea6cb5a8448cb4
MD5 hash: 0f75836bf858f449d7c367c527e52846
humanhash: echo-low-avocado-network
File name:0f75836bf858f449d7c367c527e52846.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'488'516 bytes
First seen:2024-03-17 09:40:12 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/nvxW3WieCWAWx0NkAzTOPzl5InufgsA9upcab9EXU22:ubA3jbsgz6PhWu4sBBJCUr
Threatray 14 similar samples on MalwareBazaar
TLSH T1AF657B017E40CA12F0191633C2EF450447F4AC516BA6E72B7EBA376D69123A77C4DAEB
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
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://a0929875.xsph.ru/L1nc0In.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
500
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d.exe
Verdict:
Malicious activity
Analysis date:
2024-03-17 09:43:05 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/793d83f4-167f-4547-8d04-ffd43c8981cc

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

Win.Trojan.Uztuby-10010740-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat explorer fingerprint installer lolbin overlay packed prometheus schtasks setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/65f6baaf5cd908a33db60038/reports/f8d52e37-ef0c-4f97-b8b8-65794801db4b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d
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/bb8a2301-5db6-4ca5-a308-e46ddd52a05e
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410356
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1410356 Sample: 9VLHcT7Zyv.exe Startdate: 17/03/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus detection for dropped file 2->57 59 11 other signatures 2->59 10 9VLHcT7Zyv.exe 3 6 2->10         started        13 GcjSClTfTjvUjxT.exe 2 2->13         started        16 GcjSClTfTjvUjxT.exe 2->16         started        18 2 other processes 2->18 process3 file4 49 C:\ComdriverMonitorcommon\hyperwebRef.exe, PE32 10->49 dropped 51 C:\...\jSzkZoPg60K7wQXHa4CkWPb.vbe, data 10->51 dropped 20 wscript.exe 1 10->20         started        71 Multi AV Scanner detection for dropped file 13->71 signatures5 process6 signatures7 61 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->61 23 cmd.exe 1 20->23         started        process8 process9 25 hyperwebRef.exe 3 24 23->25         started        29 conhost.exe 23->29         started        file10 41 C:\Windows\IdentityCRL\lsass.exe, PE32 25->41 dropped 43 C:\Users\Default\audiodg.exe, PE32 25->43 dropped 45 C:\RecoverybehaviorgraphcjSClTfTjvUjxT.exe, PE32 25->45 dropped 47 7 other malicious files 25->47 dropped 63 Antivirus detection for dropped file 25->63 65 Multi AV Scanner detection for dropped file 25->65 67 Machine Learning detection for dropped file 25->67 69 4 other signatures 25->69 31 cmd.exe 25->31         started        33 schtasks.exe 25->33         started        35 schtasks.exe 25->35         started        37 28 other processes 25->37 signatures11 process12 process13 39 conhost.exe 31->39         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-03-14 08:11:44 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mz4ts7kdzoawx7g52lthdervxv2hprpdbedeiyjoa4peiyujhq6q._file
Verdict:
malicious
Similar samples:
0aa86bcdc674e91fc0c3186dfaf7a658f3d4c8e09a391ae23c605a4c270690a9
DCRat
284f083103d1c160d9e4721ecce515646ce451a1b7ddf9dd89817904e21a4a2d
DCRat
2f9bf1b8e047c1fa8ec80deccb3e9b575aaf5247f23c0fea81157b8b995562c9
DCRat
b61b1c4320db7f1ac101de2b059636b51896c2b2fae336febd59b62a2947a7fd
DCRat
ddf33cfed683c502528eeb1278bb1af2d4345c23f7ebe312183555e50a20097a
DCRat
+ 4 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/240317-lnrx2aca4w/
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
Link:
https://www.unpac.me/results/14765ffd-f254-4668-92a9-1cc1b231dd06/
SH256 hash:
17e5f2d4b270045909f1a317aab2154357cc547e1c65199600bf9e049a034a0c
MD5 hash:
6e1527ef667b409237feb2ca84f082fb
SHA1 hash:
00e3ad9bd04d7f0cc2d307e6ff99e19f8d637e0a
Link:
https://www.unpac.me/results/14765ffd-f254-4668-92a9-1cc1b231dd06/
SH256 hash:
6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d
MD5 hash:
0f75836bf858f449d7c367c527e52846
SHA1 hash:
8f83eb20b50977351e8c0bc852ea6cb5a8448cb4
Link:
https://www.unpac.me/results/14765ffd-f254-4668-92a9-1cc1b231dd06/
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/6679397d43cb816bfcddd2e6719235bd7477c5e3090644612e071e4462893c3d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments