MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88400c6597dbc6f10cce11bf7ccb241e6eb8933c8014020e7a5a6bc3c4e58567. 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: 16


Intelligence 16 IOCs 1 YARA 10 File information Comments

SHA256 hash: 88400c6597dbc6f10cce11bf7ccb241e6eb8933c8014020e7a5a6bc3c4e58567
SHA3-384 hash: bbab528756558cdb4da642441f6089bd0a07a41635fe91736a9eee71156e73f6004f79a03e5251d44a71313bef06d165
SHA1 hash: a32f89c277b990d225441999f94ff7b3aa28d117
MD5 hash: 05ba76e978ef53f1ca5abe9c3fbe7cb0
humanhash: ten-triple-triple-football
File name:05ba76e978ef53f1ca5abe9c3fbe7cb0.exe
Download: download sample
Signature DCRat
File size:1'538'728 bytes
First seen:2024-07-06 07:05:12 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/nvxW3Ww0tmexdhlYicwBzpKXrSdVRDGvh2TWraD+jdy0QuzibhE:UbA30HdJFDzJsUCa6guzib2
TLSH T1B6658C017E84CA11F0192633C2EF450447B4AD106AAAE71B7FB9376E65223E37D1DADB
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://a1002962.xsph.ru/26b1ea9d.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://a1002962.xsph.ru/26b1ea9d.php https://threatfox.abuse.ch/ioc/1295147/

Intelligence


File Origin
# of uploads :
1
# of downloads :
378
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
88400c6597dbc6f10cce11bf7ccb241e6eb8933c8014020e7a5a6bc3c4e58567.exe
Verdict:
Malicious activity
Analysis date:
2024-07-06 07:16:31 UTC
Tags:
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
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
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Unauthorized injection to a recently created process
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
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
.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 executable to a common third party application directory
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 domain / URL
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 dnsIp2 2 Behavior Graph ID: 1468504 Sample: y86lB1UOV7.exe Startdate: 06/07/2024 Architecture: WINDOWS Score: 100 47 18.31.95.13.in-addr.arpa 2->47 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 57 13 other signatures 2->57 10 y86lB1UOV7.exe 3 6 2->10         started        13 cMmETNWFhvmdiVjIchmBvQezXCuPnp.exe 2 2->13         started        signatures3 process4 file5 43 C:\...\surrogateproviderInto.exe, PE32 10->43 dropped 45 C:\Chainwebdriverdhcp\AYoqSHhYA9AK.vbe, data 10->45 dropped 16 wscript.exe 1 10->16         started        67 Multi AV Scanner detection for dropped file 13->67 signatures6 process7 signatures8 49 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->49 19 cmd.exe 1 16->19         started        process9 process10 21 surrogateproviderInto.exe 1 32 19->21         started        25 conhost.exe 19->25         started        file11 35 C:\...\cMmETNWFhvmdiVjIchmBvQezXCuPnp.exe, PE32 21->35 dropped 37 C:\Windows\Cursors\upfc.exe, PE32 21->37 dropped 39 C:\Users\user\AppData\...\fontdrvhost.exe, PE32 21->39 dropped 41 11 other malicious files 21->41 dropped 59 Antivirus detection for dropped file 21->59 61 Multi AV Scanner detection for dropped file 21->61 63 Machine Learning detection for dropped file 21->63 65 5 other signatures 21->65 27 schtasks.exe 21->27         started        29 schtasks.exe 21->29         started        31 schtasks.exe 21->31         started        33 23 other processes 21->33 signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2024-07-03 02:01:15 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
25 of 35 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
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
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
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
SH256 hash:
c84dea67a6c2545d557a90c1a3e0bb8f98516c839a84449fa163433a7e0de858
MD5 hash:
22258e50376579879e7a14e2e1e6e632
SHA1 hash:
020b6c495704912c8e9b149f6c0c1d11339b42fd
SH256 hash:
4e9274c23f682d795451d96d16d5d0db310b0fe0b37b65474abf203b5f4b19a8
MD5 hash:
1a394c3e3ce43d5893292b70e80dee31
SHA1 hash:
c105d1667133b640cc1f6631a546a3f618d0d24e
SH256 hash:
88400c6597dbc6f10cce11bf7ccb241e6eb8933c8014020e7a5a6bc3c4e58567
MD5 hash:
05ba76e978ef53f1ca5abe9c3fbe7cb0
SHA1 hash:
a32f89c277b990d225441999f94ff7b3aa28d117
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