MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c. 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 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c
SHA3-384 hash: d382358f8cc3c9aff1fdd3e47ce8aa18928660d67695487e6c0afdef9b8df432a10b6c2a0d8f738fd379508f81662ce9
SHA1 hash: 9f2b5c8402e012a9025e12e5e99a4a4f0d478f17
MD5 hash: 66522f42ad8fb771d604ceba4341f5cf
humanhash: one-paris-kansas-violet
File name:66522f42ad8fb771d604ceba4341f5cf.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'298'591 bytes
First seen:2024-08-06 22:10:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (430 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 24576:VTbBv5rUC2pgkAO/GK2Fq+V7ZTMF0QxEf/DgKDS31t6SJnbCRNQKNw9marvPwIV3:fBAgkiKO1TMk7CduNbKZ9yxGL9P
Threatray 1'681 similar samples on MalwareBazaar
TLSH T16EB5BE5561918E33C6605F31A5D7733D929086217A76EB1B3A3B21C66923BF0CF732E2
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 33e8d66baaaa4432 (1 x DCRat)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://673304cm.nyashka.top/tohttptemp.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://673304cm.nyashka.top/tohttptemp.php https://threatfox.abuse.ch/ioc/1307610/

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
66522f42ad8fb771d604ceba4341f5cf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-07 01:46:56 UTC
Tags:
dcrat rat remote darkcrystal stealer netreactor susp-powershell wmi-base64
Link:
https://app.any.run/tasks/cbec6c41-c41e-48f3-8387-fad705b618f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

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

Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.Uztuby-10015486-0
Create hunting rule

Win.Packed.Uztuby-10015902-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Win.Packed.Uztuby-10017373-0
Create hunting rule

Win.Packed.Zusy-10023527-0
Create hunting rule

Win.Dropper.HawkEye-10027238-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b29f78aa5b40be0a9fb617
Tags:
Encryption Static Runner
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
Loading a suspicious library
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Launching a process
Sending a UDP request
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending an HTTP POST request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm epmicrosoft_visual_cc fingerprint installer lolbin microsoft_visual_cc overlay packed packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/66b29f87fb08d6d234be9371/reports/a3911fdf-6c18-44e4-8ae7-9ae20cf55151/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c
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/69cd5f3b-fd81-44e8-a098-8ab061c60b8d
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1489115
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Drops PE files with benign system names
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
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1489115 Sample: xX68hTj4tg.exe Startdate: 07/08/2024 Architecture: WINDOWS Score: 100 56 673304cm.nyashka.top 2->56 62 Antivirus detection for URL or domain 2->62 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 9 other signatures 2->68 11 xX68hTj4tg.exe 3 6 2->11         started        signatures3 process4 file5 46 C:\msfontintobroker\Intodhcp.exe, PE32 11->46 dropped 48 VkNCYEUC1upHrhgwQf...I7488oFOIY2lO0x.vbe, data 11->48 dropped 14 wscript.exe 1 11->14         started        process6 signatures7 86 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->86 17 cmd.exe 1 14->17         started        process8 process9 19 Intodhcp.exe 3 20 17->19         started        23 conhost.exe 17->23         started        file10 38 C:\Windows\SystemApps\TextInputHost.exe, PE32 19->38 dropped 40 C:\Windows\ModemLogs\smss.exe, PE32 19->40 dropped 42 C:\Users\user\Desktop\UyuDwxAC.log, PE32 19->42 dropped 44 6 other malicious files 19->44 dropped 70 Antivirus detection for dropped file 19->70 72 Multi AV Scanner detection for dropped file 19->72 74 Machine Learning detection for dropped file 19->74 76 2 other signatures 19->76 25 cmd.exe 1 19->25         started        signatures11 process12 process13 27 cmd.exe 14 5 25->27         started        32 w32tm.exe 1 25->32         started        34 conhost.exe 25->34         started        36 chcp.com 1 25->36         started        dnsIp14 58 104.21.46.178, 52952, 52953, 52954 CLOUDFLARENETUS United States 27->58 60 172.67.168.209, 53169, 80 CLOUDFLARENETUS United States 27->60 50 C:\Users\user\Desktop\xHvYIkQg.log, PE32 27->50 dropped 52 C:\Users\user\Desktop\UOYvjmbp.log, PE32 27->52 dropped 54 C:\Users\user\DesktopbehaviorgraphkDOsdgN.log, PE32 27->54 dropped 78 Antivirus detection for dropped file 27->78 80 Multi AV Scanner detection for dropped file 27->80 82 Machine Learning detection for dropped file 27->82 84 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->84 file15 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c/
Threat name:
Win32.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-08-02 23:30:42 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzcmc7dp6qculcv3iuhkejfo7y36e65nncqbxp45kujny454di6a._file
Verdict:
malicious
Similar samples:
12417a99e17bd57fd22a4b7af2e46899c07d833f6d5aab931c8bc669f0ed06ba
DCRat
2b4e2e22cbb5e97af111f8bc8d4e2b393e3e7931be06f639cea37a221d56316e
DCRat
7309289e7d27aaecdfa582bdbd748db3ec445b317022b4b842c1cfb91c0b5d84
DCRat
8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c
DCRat
b1637a25a2959c9a6da241d94d8ddac92f3e542d86dbebdc47c1a06a4f6190a0
DCRat
e76ef27047a9299a7c1a2cc8f33c16342f698cf55fbf85b088841f8a2a1015b7
DCRat
fb2e3a0d29ae08e964de8bcc1cf986b3a6b928d13e14368cc31535236afd024e
DCRat
+ 1'671 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/240806-13w8mascrj/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/20854cb0-2afc-4c3c-b0b4-31327916e416
Unpacked files
SH256 hash:
be94bd897b29eb43c4651eff9609e050519ae69791a1e60e1e6f2d4dea9f718e
MD5 hash:
a8e730f18aa51ca878d6262fcec3bcd3
SHA1 hash:
e07eee34074274f0f1d65a38496e09339a406ab7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1aff128e-c792-4e8e-afe9-530c441bb8eb/
SH256 hash:
8644c17c6ff405458abb450ea224aefe37e27bad68a01bbf9d5512dc73bc1a3c
MD5 hash:
66522f42ad8fb771d604ceba4341f5cf
SHA1 hash:
9f2b5c8402e012a9025e12e5e99a4a4f0d478f17
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1aff128e-c792-4e8e-afe9-530c441bb8eb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8644c17c6ff4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
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

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