MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e. 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 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e
SHA3-384 hash: 40eb5cd1865f27338c89fca7d95d0058983c47eeec01f1bd94fa8ba5844200b07d7c7fbb9a5a8036aee0782aa1e358ea
SHA1 hash: 0d74e0e463913cc3be99b0a46050af3c59ae16f3
MD5 hash: fddd9c5d37f3188b708888557dfd70ce
humanhash: zebra-lemon-march-march
File name:FDDD9C5D37F3188B708888557DFD70CE.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'130'637 bytes
First seen:2024-06-22 06:55:16 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:x2G/nvxW3WVaqtGK65FZr6PkyhzmgFg8NBtD8HtS:xbA3RqIK6+zmE1rD
Threatray 522 similar samples on MalwareBazaar
TLSH T1703549417E44CA22F0581633C2EF890447B4AC916BA6E32B7EBE776D55123937C1DACB
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 bfcece6cacdc7cfc (1 x DCRat)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0995598.xsph.ru/L1nc0In.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
508
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e.exe
Verdict:
Malicious activity
Analysis date:
2024-06-22 06:57:10 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/fdc6ae79-0f1d-4446-b71a-57c8bad2e0eb

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=667675840591661c2a1fadeewin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Msil Dexter
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 Program Files subdirectories
Launching many processes
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 schtasks setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/66767589ea679c2da918b5d6/reports/da1e2efb-b360-45c0-88cd-062c44d46c70/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e
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/1a0bc433-7971-4352-a901-7ee4e167bfbe
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1461062
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
Connects to a pastebin service (likely for C&C)
Creates processes via WMI
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: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Sigma detected: Suspicious Program Location with Network Connections
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: 1461062 Sample: d43YUxXAW7.exe Startdate: 22/06/2024 Architecture: WINDOWS Score: 100 51 pastebin.com 2->51 53 a0995598.xsph.ru 2->53 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 Antivirus detection for URL or domain 2->65 69 14 other signatures 2->69 10 d43YUxXAW7.exe 3 6 2->10         started        13 feQHGCEoToLPIfsiBDXBrPMWo.exe 2->13         started        16 feQHGCEoToLPIfsiBDXBrPMWo.exe 2->16         started        signatures3 67 Connects to a pastebin service (likely for C&C) 51->67 process4 file5 47 C:\PortfontSessionCrt\Surrogatewinhost.exe, PE32 10->47 dropped 49 C:\PortfontSessionCrt\we9D4lFwpt.vbe, data 10->49 dropped 18 wscript.exe 1 10->18         started        79 Antivirus detection for dropped file 13->79 81 Multi AV Scanner detection for dropped file 13->81 83 Machine Learning detection for dropped file 13->83 signatures6 process7 signatures8 59 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->59 21 cmd.exe 1 18->21         started        process9 process10 23 Surrogatewinhost.exe 1 18 21->23         started        27 conhost.exe 21->27         started        file11 39 C:\Users\...\feQHGCEoToLPIfsiBDXBrPMWo.exe, PE32 23->39 dropped 41 C:\Users\Default\smss.exe, PE32 23->41 dropped 43 C:\Recovery\upfc.exe, PE32 23->43 dropped 45 4 other malicious files 23->45 dropped 71 Antivirus detection for dropped file 23->71 73 Multi AV Scanner detection for dropped file 23->73 75 Machine Learning detection for dropped file 23->75 77 4 other signatures 23->77 29 feQHGCEoToLPIfsiBDXBrPMWo.exe 14 3 23->29         started        33 schtasks.exe 23->33         started        35 schtasks.exe 23->35         started        37 22 other processes 23->37 signatures12 process13 dnsIp14 55 pastebin.com 104.20.4.235, 443, 49731 CLOUDFLARENETUS United States 29->55 57 a0995598.xsph.ru 141.8.192.169, 49732, 80 SPRINTHOSTRU Russian Federation 29->57 85 Multi AV Scanner detection for dropped file 29->85 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-06-14 10:26:55 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vcajbgagigxdomea4ceqbwrrix5r7q54culbmdmy2uara3ltr5ha._file
Verdict:
malicious
Similar samples:
4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87
DCRat
90f403c6304240465460ace49b8db9d46c7d28bc36fd49b89f4722ee497bd2dd
DCRat
a5f4363625928d7fb64087212bd9d094972260739b274f44b53bbbd5be6d19b7
DCRat
d90e56489af6b2b4b051fcbdb07def1ff558a59619fb862429c77f113f12cadc
DCRat
+ 512 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/240622-hqcdks1cpe/
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
7598850da60c639e9db472edbc0403143913285b4a5737432e7ef2e6a69e6fb2
MD5 hash:
ef9a8ac0080c6766f69aad88bcfa5dcd
SHA1 hash:
df67427c5e0fbf0cc3016ad56253e310a7a85dfe
Link:
https://www.unpac.me/results/87313a91-9d67-4748-8434-beea59fb0881/
SH256 hash:
a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e
MD5 hash:
fddd9c5d37f3188b708888557dfd70ce
SHA1 hash:
0d74e0e463913cc3be99b0a46050af3c59ae16f3
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/87313a91-9d67-4748-8434-beea59fb0881/
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/a88090980641ae373080e08900da3145fb1fc3bc1516160d98d501106d738f4e

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
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.

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