MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6bfe37f441f2ad3236dd784a65b2a30e88b1e91fb14d1bb248c46b003b2d9de. 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: 17


Intelligence 17 IOCs 1 YARA 10 File information Comments

SHA256 hash: f6bfe37f441f2ad3236dd784a65b2a30e88b1e91fb14d1bb248c46b003b2d9de
SHA3-384 hash: 12772d8aaf4f62db4f824103c339969d157eacbd4e3a0f75f909cf6747f6f867432e9a5f0749921c916bf0eab50350e9
SHA1 hash: ad1ca5273fb80eca97b3dfc083434f8db77167db
MD5 hash: 117a77ab15cc1768c0d64cfb361ac6c7
humanhash: lemon-wyoming-jersey-uranus
File name:117a77ab15cc1768c0d64cfb361ac6c7.exe
Download: download sample
Signature DCRat
File size:2'720'565 bytes
First seen:2024-08-03 01:10:24 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 49152:UbA30fNwz5Az2aShIvVkYS9MHBTKBkmdiL2yPI0Nnk3p:Ub5wtAz+IdqMAKmdJyZNnk5
Threatray 252 similar samples on MalwareBazaar
TLSH T119C5DF017E46CA52F0181633C2FF854447B4AC206AA6E71B7EB93B7E59123937D1CADB
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://a1011177.xsph.ru/L1nc0In.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://a1011177.xsph.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1306579/

Intelligence


File Origin
# of uploads :
1
# of downloads :
617
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
117a77ab15cc1768c0d64cfb361ac6c7.exe
Verdict:
Malicious activity
Analysis date:
2024-08-03 01:11:55 UTC
Tags:
pastebin rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Network Other Static Stealth Trojan Variant
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
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Unauthorized injection to a recently created process
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat epmicrosoft_visual_cc evasive fingerprint installer lolbin microsoft_visual_cc overlay packed packed prometheus setupapi sfx shdocvw shell32
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1487106 Sample: f2aLo7Q0GP.exe Startdate: 03/08/2024 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 9 other signatures 2->58 9 f2aLo7Q0GP.exe 3 7 2->9         started        12 RSNplOKDuEsABJVLo.exe 3 2->12         started        15 RSNplOKDuEsABJVLo.exe 2 2->15         started        process3 file4 46 C:\componentintoruntime\AgentMonitor.exe, PE32 9->46 dropped 48 C:\componentintoruntime\ArWCnwizj.vbe, data 9->48 dropped 17 wscript.exe 1 9->17         started        20 wscript.exe 9->20         started        68 Multi AV Scanner detection for dropped file 12->68 signatures5 process6 signatures7 50 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->50 22 cmd.exe 1 17->22         started        process8 process9 24 AgentMonitor.exe 3 30 22->24         started        28 conhost.exe 22->28         started        file10 38 C:\componentintoruntime\smss.exe, PE32 24->38 dropped 40 C:\...\backgroundTaskHost.exe, PE32 24->40 dropped 42 C:\...\RSNplOKDuEsABJVLo.exe, PE32 24->42 dropped 44 10 other malicious files 24->44 dropped 60 Antivirus detection for dropped file 24->60 62 Multi AV Scanner detection for dropped file 24->62 64 Machine Learning detection for dropped file 24->64 66 3 other signatures 24->66 30 schtasks.exe 24->30         started        32 schtasks.exe 24->32         started        34 schtasks.exe 24->34         started        36 27 other processes 24->36 signatures11 process12
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2024-07-29 20:31:32 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery evasion infostealer rat
Behaviour
Modifies registry class
Modifies registry key
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
89dc4a49a1339de24b1b4d58497b9b444ff7cf84cc4849bd45081d5d9b71e7a2
MD5 hash:
b9cd3b9885097dc52d4a4092c6663296
SHA1 hash:
d4b82555fd1ef891fa3e3b275c833ba8e311da9d
SH256 hash:
c931dc9ddbe4709724324ac4cb229aa8c804e7a22709e6839e78ac74ee5d7ddb
MD5 hash:
0fbb656138fb30326c99cd42f4b884a2
SHA1 hash:
b9e3afcb87dfc7f5ebcf31d1b3322a829fc90d15
SH256 hash:
10c697d9d87895f2ff397479da93790385d2a179fcff6782592a6c9d813a45c3
MD5 hash:
e6e4fdbce465dc7914f5aad5faefcec3
SHA1 hash:
8bdab0ab2091aaad45bcae7348fe7360120ba448
Detections:
dcrat_user_ping_counter
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
SH256 hash:
270e4c9c272e76b067e85727fbd871ff65edc0ef837a9b80cfed84252203ffbd
MD5 hash:
c9618d3d5ba243b024fe41223ef625be
SHA1 hash:
626d260a95fbf0b8b2ace91b64d0c7aa294616bf
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
SH256 hash:
a02aa74615df91d45ed06c46ddad9e5d33f1e9397d2764cf5ebdf58ff45492d6
MD5 hash:
ad562d9a703fe57034fce4ac3f1dfe88
SHA1 hash:
06f7ed636ad7f3a4d24e1c5a5ee98a3ea529dd33
SH256 hash:
fefc0ee1d8e52de38d783f9c5df3f9332dd1dcc93fbb5a34f7a4c8c81822698f
MD5 hash:
42d76be4af6dc93531fc32b18874769f
SHA1 hash:
ff51b2effb6459be80c5dd5a3d470a73400bf029
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
f6bfe37f441f2ad3236dd784a65b2a30e88b1e91fb14d1bb248c46b003b2d9de
MD5 hash:
117a77ab15cc1768c0d64cfb361ac6c7
SHA1 hash:
ad1ca5273fb80eca97b3dfc083434f8db77167db
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DotNet_Reactor
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
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
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