MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8. 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



VenomRAT


Vendor detections: 18


Intelligence 18 IOCs YARA 8 File information Comments

SHA256 hash: 52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
SHA3-384 hash: bbb7295576f6f95f9ee3250e5ffa1dac3322b97f619a4f6d5f7fe216cd0950e2bf439df6f042868b0f65f4939d95748b
SHA1 hash: 11c86768112cfb75a3a9b0b8ef36997e80fedcdf
MD5 hash: 854ca372c90e86bd9a9dce642d7c1a88
humanhash: echo-mars-pizza-golf
File name:file
Download: download sample
Signature VenomRAT
File size:803'848 bytes
First seen:2024-12-09 16:16:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:x1M0EGmwx0mUkw1tnPxv8opsdH0dwDIqkR:xuymwZ3UtPxvnps8wY
TLSH T1AD05623D49BD12EB81A9C79DCBE89827F614A46FB150ACA494C647A53347F4B34C323E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter jstrosch
Tags:.NET exe MSIL VenomRAT


Avatar
jstrosch
Found at hxxp://52575815-38-20200406120634.webstarterz[.]com/ldg2lH3l1Uwg5m5.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
540
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
IAKIZ_file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-09 16:24:34 UTC
Tags:
asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process from a recently created file
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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:
AsyncRAT, VenomRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1571767 Sample: file.exe Startdate: 09/12/2024 Architecture: WINDOWS Score: 100 95 Suricata IDS alerts for network traffic 2->95 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 14 other signatures 2->101 10 file.exe 7 2->10         started        14 NotepadUpdate.exe 2->14         started        16 yRnixT.exe 5 2->16         started        18 2 other processes 2->18 process3 file4 85 C:\Users\user\AppData\Roaming\yRnixT.exe, PE32 10->85 dropped 87 C:\Users\user\...\yRnixT.exe:Zone.Identifier, ASCII 10->87 dropped 89 C:\Users\user\AppData\Local\...\tmp8110.tmp, XML 10->89 dropped 91 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->91 dropped 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->107 109 Uses schtasks.exe or at.exe to add and modify task schedules 10->109 111 Adds a directory exclusion to Windows Defender 10->111 20 file.exe 8 10->20         started        23 powershell.exe 23 10->23         started        26 schtasks.exe 1 10->26         started        113 Multi AV Scanner detection for dropped file 14->113 115 Machine Learning detection for dropped file 14->115 117 Injects a PE file into a foreign processes 14->117 28 powershell.exe 14->28         started        35 2 other processes 14->35 119 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->119 30 yRnixT.exe 2 2 16->30         started        33 schtasks.exe 1 16->33         started        37 2 other processes 16->37 39 4 other processes 18->39 signatures5 process6 dnsIp7 83 C:\Users\user\AppData\...83otepadUpdate.exe, PE32 20->83 dropped 41 cmd.exe 20->41         started        43 cmd.exe 20->43         started        105 Loading BitLocker PowerShell Module 23->105 45 conhost.exe 23->45         started        47 conhost.exe 26->47         started        49 conhost.exe 28->49         started        93 185.208.158.187, 4449, 49742 SIMPLECARRER2IT Switzerland 30->93 51 conhost.exe 33->51         started        53 conhost.exe 35->53         started        55 conhost.exe 39->55         started        57 conhost.exe 39->57         started        file8 signatures9 process10 process11 59 NotepadUpdate.exe 41->59         started        62 conhost.exe 41->62         started        64 timeout.exe 41->64         started        66 conhost.exe 43->66         started        68 schtasks.exe 43->68         started        signatures12 121 Adds a directory exclusion to Windows Defender 59->121 123 Injects a PE file into a foreign processes 59->123 70 powershell.exe 59->70         started        73 schtasks.exe 59->73         started        75 NotepadUpdate.exe 59->75         started        77 NotepadUpdate.exe 59->77         started        process13 signatures14 103 Loading BitLocker PowerShell Module 70->103 79 conhost.exe 70->79         started        81 conhost.exe 73->81         started        process15
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2024-12-09 16:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat unknown_loader_037
Similar samples:
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution rat
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
185.208.158.187:4449
Unpacked files
SH256 hash:
1f1822a655e8c3ae49dd9b56c1c1ddb556f143acc27807007891a02f19f101d8
MD5 hash:
f63cc268c91592ce8156a5bbdf82602c
SHA1 hash:
520c13381e8f50098686693182757421877db14f
Detections:
VenomRat AsyncRAT INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice win_asyncrat_unobfuscated
SH256 hash:
b71075298d09d3b053502c8e93630b4b359be04230165882a8586ccddde66c1f
MD5 hash:
ad14f00137d897081fa94df3d42887b1
SHA1 hash:
516621044df6cbbc73b9bca568b4f0ae3a479108
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
d140ed37713ac4c5c3c0d9a5fa82d2335e7b78d0f855a612ebbb39b7d4844462
MD5 hash:
b9ae31ef7dc754fae42cd19eeb154fc6
SHA1 hash:
0289525618614da9f6a2ea44bce3ba0f85d34975
SH256 hash:
52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
MD5 hash:
854ca372c90e86bd9a9dce642d7c1a88
SHA1 hash:
11c86768112cfb75a3a9b0b8ef36997e80fedcdf
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Web download

VenomRAT

Executable exe 52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8

(this sample)

  
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

Comments