MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c. 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: 18


Intelligence 18 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c
SHA3-384 hash: 3574675074ce1e38787c63b33c5e47e61542d3b78a3f2445341304c15d5db559e0b236ecaa3ed9fe57c3773be434ff04
SHA1 hash: bfbdb849dcf89395492d916b69308505b87bb7fc
MD5 hash: 027bbb0a4d9b911c6d707866e98c1314
humanhash: yellow-timing-steak-south
File name:setup.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'165'431 bytes
First seen:2024-12-29 16:49:36 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/nvxW3Ww0t9XYOIWhhyjpaMwvhIhL2pCrC:UbA309YOIXEElW
Threatray 57 similar samples on MalwareBazaar
TLSH T14B4539027E44CA12F0192633C2EF454847B4AC506BA6F72B7EBA376E55123937D1DACB
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) (10522/11/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter aachum
Tags:DCRat exe sfx


Avatar
iamaachum
https://mega.nz/file/XMFGGLAb#g0faIi5qr_fvNhHVxSfs1fm9QVNWABXPEBf_9WSkKuA

DCRat C2: a1069594.xsph.ru

Intelligence

File Origin
# of uploads :
1
# of downloads :
442
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2024-12-29 16:52:22 UTC
Tags:
dcrat rat remote darkcrystal stealer netreactor
Link:
https://app.any.run/tasks/77b78869-ced9-4b66-9061-fbbb0117d087

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=67717dbc75fb913a1479210f
Tags:
autorun virus sage msil
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
Launching a process
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 by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd cscript explorer fingerprint installer lolbin microsoft_visual_cc obfuscated overlay packed packer_detected schtasks sfx smb
Link:
https://www.filescan.io/uploads/67717dc3509459c7f80656f5/reports/dddd9caa-13f2-4989-b024-016175d3233b/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c
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/619bfc3c-343e-4014-80cc-e567e9a20e91
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1582047
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
Creates processes via WMI
Drops executable to a common third party application directory
Drops PE files to the user root directory
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts 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 dnsIp2 2 Behavior Graph ID: 1582047 Sample: setup.exe Startdate: 29/12/2024 Architecture: WINDOWS Score: 100 52 a1069594.xsph.ru 2->52 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Antivirus detection for dropped file 2->58 60 9 other signatures 2->60 11 setup.exe 3 6 2->11         started        signatures3 process4 file5 48 C:\refBrokerDhcp\msbrowser.exe, PE32 11->48 dropped 50 C:\...\QElwSQf83XBFhMyqm1gWbbiKf8tDaQ.vbe, data 11->50 dropped 14 wscript.exe 1 11->14         started        process6 signatures7 74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->74 17 cmd.exe 1 14->17         started        process8 process9 19 msbrowser.exe 1 12 17->19         started        23 conhost.exe 17->23         started        file10 38 C:\refBrokerDhcp\oPmKvuejiIKwwErUS.exe, PE32 19->38 dropped 40 C:\Users\user\sihost.exe, PE32 19->40 dropped 42 C:\Recovery\oPmKvuejiIKwwErUS.exe, PE32 19->42 dropped 44 C:\...\oPmKvuejiIKwwErUS.exe, PE32 19->44 dropped 62 Antivirus detection for dropped file 19->62 64 Machine Learning detection for dropped file 19->64 66 Drops PE files to the user root directory 19->66 68 2 other signatures 19->68 25 msbrowser.exe 2 29 19->25         started        signatures11 process12 file13 46 C:\...\oPmKvuejiIKwwErUS.exe (copy), PE32 25->46 dropped 70 Drops executable to a common third party application directory 25->70 29 schtasks.exe 25->29         started        32 schtasks.exe 25->32         started        34 schtasks.exe 25->34         started        36 21 other processes 25->36 signatures14 process15 signatures16 72 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 29->72
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-12-29 16:50:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fiy5hxdhqpnno7pscwuym6e7wj4th7sllrmxaxvsbqswpcgukm6a._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
19e2bde176b68e7b609977a3965b60bb74afc5810781e1545c1dc83beeb64672
DCRat
56ec30189e1468de16c9e8d39908ca3428033e516a6d2fcb843963a4d36c43fe
DCRat
af20afbe249de8d37ecdae69670fdced02fdfbbfdf7a1f2810e7628b52e29e4c
DCRat
c9db6874de4f8439448b1518ca66a3225df40b702882fc650dc5b64272131e70
DCRat
error
DCRat
+ 47 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat
Link:
https://tria.ge/reports/241229-vb8vfsvlby/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Dcrat family
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat Win.Trojan.Uztuby-9855059-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/488a6950-3bee-4335-b492-1925f3e337e3
Unpacked files
SH256 hash:
58a180ba10aad7f5a7c9b86b2f93213fde5e2f4816393d7a19ddc9202bc1f7a4
MD5 hash:
3d428539f2cddf97abfe6586df2f2c1d
SHA1 hash:
e828475a8e5ea8db3854cb66f0102c6532a0a997
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1dec917f-0788-4013-a364-a00b0cc5e8bc/
Parent samples :
2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c
58a180ba10aad7f5a7c9b86b2f93213fde5e2f4816393d7a19ddc9202bc1f7a4
SH256 hash:
2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c
MD5 hash:
027bbb0a4d9b911c6d707866e98c1314
SHA1 hash:
bfbdb849dcf89395492d916b69308505b87bb7fc
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/1dec917f-0788-4013-a364-a00b0cc5e8bc/
Malware family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a31d3dc6783/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/2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

Web download

DCRat

Executable exe 2a31d3dc6783dad77df215a986789fb27933fe4b5c59705eb20c256788d4533c

(this sample)

  
Link
https://tria.ge/241229-t9l8nsvkhv/
  
Delivery method
Distributed via web download

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