MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8
SHA3-384 hash: 5dbd268c041cfddeed26832984928fac7e152dcd358a618d5f99113b4f3114df1e835a9d05ce9c1a4e88c9fe7cb85961
SHA1 hash: e19be6ca553cf0f2e8e7dffc38c922eb5ebcb98f
MD5 hash: 2c473a05f1f2653371e2cac9ceb8e8c2
humanhash: angel-finch-item-india
File name:2c473a05f1f2653371e2cac9ceb8e8c2.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'411'771 bytes
First seen:2024-06-09 01:40:15 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/nvxW3Ww0tEl/d4Kscc8bUbiRDPsMMm8v4S4AK7aDOuKQOX:UbA30ElscL0m84S7OuKQA
Threatray 57 similar samples on MalwareBazaar
TLSH T196656A027E44CA11F0191633C2EF450447B4AC116AE6E76B7EBA376E59123937E2DACF
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://a0991246.xsph.ru/43a214c8.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
489
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8.exe
Verdict:
Malicious activity
Analysis date:
2024-06-09 01:43:40 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/66926756-dba5-4720-ad46-bc3df72c753f

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
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6667031e5c0e232c1ff01e2dwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Dcrat Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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 Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Sending a UDP request
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed prometheus schtasks setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/6665082e910ce98966f90f8b/reports/c2c302db-00c0-4e05-a792-722aa5d4d97d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8
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/29100587-da7f-4f55-9474-0a0e7309c8fc
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454178
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
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
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Schedule system process
Sigma detected: Suspicious Program Location with Network Connections
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 dnsIp2 2 Behavior Graph ID: 1454178 Sample: MMXBgd35FK.exe Startdate: 09/06/2024 Architecture: WINDOWS Score: 100 51 a0991246.xsph.ru 2->51 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 17 other signatures 2->71 10 MMXBgd35FK.exe 3 6 2->10         started        13 MEgGNkqwSPgsdSijFgHT.exe 2->13         started        16 MEgGNkqwSPgsdSijFgHT.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 47 C:\...\bridgecomponent.exe, PE32 10->47 dropped 49 C:\...\muxmajwv7I6VqHyYds5XcrPpPw5U.vbe, data 10->49 dropped 20 wscript.exe 1 10->20         started        83 Multi AV Scanner detection for dropped file 13->83 signatures6 process7 signatures8 73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->73 23 cmd.exe 1 20->23         started        process9 process10 25 bridgecomponent.exe 1 10 23->25         started        29 conhost.exe 23->29         started        file11 41 C:\...\MEgGNkqwSPgsdSijFgHT.exe, PE32 25->41 dropped 43 C:\Windows\...\Memory Compression.exe, PE32 25->43 dropped 45 C:\Users\Public\...\MEgGNkqwSPgsdSijFgHT.exe, PE32 25->45 dropped 75 Antivirus detection for dropped file 25->75 77 Multi AV Scanner detection for dropped file 25->77 79 Machine Learning detection for dropped file 25->79 81 2 other signatures 25->81 31 MEgGNkqwSPgsdSijFgHT.exe 14 574 25->31         started        35 schtasks.exe 25->35         started        37 schtasks.exe 25->37         started        39 7 other processes 25->39 signatures12 process13 dnsIp14 53 a0991246.xsph.ru 141.8.192.58, 49732, 49734, 57079 SPRINTHOSTRU Russian Federation 31->53 55 Antivirus detection for dropped file 31->55 57 Multi AV Scanner detection for dropped file 31->57 59 Machine Learning detection for dropped file 31->59 61 Tries to harvest and steal browser information (history, passwords, etc) 31->61 63 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 35->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-06-06 11:11:00 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v47dtgn54oopnppq7l67e5sfzzke5vog4ukgj5by7rc44ubxwp4a._file
Verdict:
malicious
Similar samples:
0c580f2f9f3e2c64e1a23ab9f81e37e47fee22704d46a7bf7741802694cae951
DCRat
3dd0a5685e10ef6d63758cafee7c651f8ae80a47664158976ace7b80c825a032
DCRat
40e2af7feff476ac43edae054634e294c55e966e7139d77d0bcd98d49a228aab
DCRat
6eb5421bfa171c080165a6fd4a5d87db8f3118cf95669036d273cb16f24d566d
DCRat
7fed6406da8c6fac0504f899f2d88cf18c82b40d10d28e0651d851aa8113a13b
DCRat
+ 47 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/240609-b34j9sbf8y/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ee579faf-ba98-42fc-92de-79e0ac72fd94
Unpacked files
SH256 hash:
c09d7b1ecf9dd4917c8f081132ac5c533bc326959505d7364aa546d4822e5c9c
MD5 hash:
60b6a611559a27f113b51c76733f26d0
SHA1 hash:
6dc70a539f0d1c8b9a84edef26c2bdf82bbfa098
Link:
https://www.unpac.me/results/3cb06f93-4326-4d07-904e-52486ba4aaac/
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
Link:
https://www.unpac.me/results/3cb06f93-4326-4d07-904e-52486ba4aaac/
SH256 hash:
046e1ca26d547f0b32c3f18848bbbf271c90ecb9b47b21bbfaaa40d696c22af0
MD5 hash:
fdd651f26e47d4df8bea515695e31077
SHA1 hash:
f97fedd864c29820f76bbbcbb3bad2eb436f35aa
Link:
https://www.unpac.me/results/3cb06f93-4326-4d07-904e-52486ba4aaac/
SH256 hash:
af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8
MD5 hash:
2c473a05f1f2653371e2cac9ceb8e8c2
SHA1 hash:
e19be6ca553cf0f2e8e7dffc38c922eb5ebcb98f
Link:
https://www.unpac.me/results/3cb06f93-4326-4d07-904e-52486ba4aaac/
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/af3e3999bde39cf6bdf0fafdf27645ce544ed5c6e51464f438fc45ce5037b3f8

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
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:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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
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