MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eef569f5ac7602fc56d952f878c2ca5854582085a129e3c5cf683aabf5fa0f12. 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 YARA 11 File information Comments

SHA256 hash: eef569f5ac7602fc56d952f878c2ca5854582085a129e3c5cf683aabf5fa0f12
SHA3-384 hash: 0f6345a77d4a774098ec5a65fe0b2e51852375a7448ea233219da5d38edc013172bd2e7d9dd51d2e47f9e246e300582a
SHA1 hash: fd56366dc7f4bb9c56ec492fbf4ec65fbca29224
MD5 hash: 161dfdde049f9d7a298f92e44481c565
humanhash: oklahoma-august-april-ceiling
File name:Slasher.exe
Download: download sample
Signature DCRat
File size:2'359'559 bytes
First seen:2025-05-15 01:13:00 UTC
Last seen:2025-05-15 06:48:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (486 x NirCmd, 393 x DCRat, 52 x RedLineStealer)
ssdeep 49152:IBJCJMrbpVjF+Qd3i+RTrTlgbBgUqS9PzpRuKK8SLO:y4JUsSlgbSQ9PzruKH
TLSH T1ABB5CF16A6A24F37C2A417355467113D52E8DB713972EF0B360F20A6B913BB0CB762E7
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 9494b494d4aeaeac (904 x DCRat, 486 x NirCmd, 172 x RedLineStealer)
Reporter skocherhan
Tags:DCRat exe


Avatar
skocherhan
https://github.com/popa339/nef5/raw/refs/heads/main/Slasher.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
494
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Slasher.exe
Verdict:
Malicious activity
Analysis date:
2025-05-15 01:14:23 UTC
Tags:
dcrat rat remote darkcrystal netreactor stealer wmi-base64 susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
phishing virus msil sage
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
Loading a suspicious library
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypt dcrat fingerprint installer microsoft_visual_cc obfuscated overlay overlay packed packed packer_detected reconnaissance sfx
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1690401 Sample: Slasher.exe Startdate: 15/05/2025 Architecture: WINDOWS Score: 100 60 723499cm.shnyash.ru 2->60 64 Suricata IDS alerts for network traffic 2->64 66 Antivirus detection for URL or domain 2->66 68 Antivirus detection for dropped file 2->68 70 8 other signatures 2->70 11 Slasher.exe 3 6 2->11         started        signatures3 process4 file5 48 C:\...\bridgesurrogatefontsvc.exe, PE32 11->48 dropped 50 C:\...behaviorgraphJRM7aIDnBk9.vbe, data 11->50 dropped 82 Found many strings related to Crypto-Wallets (likely being stolen) 11->82 15 wscript.exe 1 11->15         started        signatures6 process7 signatures8 84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->84 18 cmd.exe 1 15->18         started        process9 process10 20 bridgesurrogatefontsvc.exe 3 24 18->20         started        24 conhost.exe 18->24         started        file11 40 C:\Windows\...\RAe3wqoJwhjWDFbINJwOA1.exe, PE32 20->40 dropped 42 C:\Users\user\Desktop\ySKolXdT.log, PE32 20->42 dropped 44 C:\Users\user\Desktop\tespJbOf.log, PE32 20->44 dropped 46 10 other malicious files 20->46 dropped 72 Antivirus detection for dropped file 20->72 74 Multi AV Scanner detection for dropped file 20->74 76 Found many strings related to Crypto-Wallets (likely being stolen) 20->76 78 2 other signatures 20->78 26 cmd.exe 1 20->26         started        signatures12 process13 signatures14 80 Drops executables to the windows directory (C:\Windows) and starts them 26->80 29 RAe3wqoJwhjWDFbINJwOA1.exe 14 545 26->29         started        34 w32tm.exe 1 26->34         started        36 conhost.exe 26->36         started        38 chcp.com 1 26->38         started        process15 dnsIp16 62 723499cm.shnyash.ru 46.41.16.168, 49693, 49694, 49696 PORTUNITY-ASDE Germany 29->62 52 C:\Users\user\Desktop\xAjfslqz.log, PE32 29->52 dropped 54 C:\Users\user\Desktop\jeyRfMWd.log, PE32 29->54 dropped 56 C:\Users\user\Desktop\aBqbvTGw.log, PE32 29->56 dropped 58 4 other malicious files 29->58 dropped 86 Antivirus detection for dropped file 29->86 88 Multi AV Scanner detection for dropped file 29->88 90 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->90 92 3 other signatures 29->92 file17 signatures18
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2025-05-11 18:08:09 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
23 of 35 (65.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Reads user/profile data of web browsers
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat Win.Trojan.Uztuby-9855059-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
eef569f5ac7602fc56d952f878c2ca5854582085a129e3c5cf683aabf5fa0f12
MD5 hash:
161dfdde049f9d7a298f92e44481c565
SHA1 hash:
fd56366dc7f4bb9c56ec492fbf4ec65fbca29224
SH256 hash:
1c9f190b57f291bb115a045fe20c9f46fd40f4deb52c7a2411f7534850468cd1
MD5 hash:
be740435f0664b3d1ca607475a1ed471
SHA1 hash:
a26214fbd58e2306380c594819daf723e3dd0c15
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

c1a1cad5d0411d29cd7189ca93b32a74

DCRat

Executable exe eef569f5ac7602fc56d952f878c2ca5854582085a129e3c5cf683aabf5fa0f12

(this sample)

  
Dropped by
MD5 c1a1cad5d0411d29cd7189ca93b32a74
  
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