MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf1d731a91e424fd67778f176ac652fa5ca39f2ab188ef740184e4b2808c7b3c. 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



AZORult


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: bf1d731a91e424fd67778f176ac652fa5ca39f2ab188ef740184e4b2808c7b3c
SHA3-384 hash: 466f8bc58daff97630664b533a9e9614bbdde2ff0ff880dbd296308a4e60ce159058df20cbb2fd9467fac0542ef3d389
SHA1 hash: 330587e6a7a1ddbafb746cc8aa47bd8f955e3e31
MD5 hash: 3fb6cf96f767a54d5c8572480fcf9a31
humanhash: island-mirror-uranus-neptune
File name:file
Download: download sample
Signature AZORult
File size:2'228'736 bytes
First seen:2023-05-12 14:24:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:H2/8KnFhNsBZNNUGVhNwOpHQz+by3yVcL8pZKD1l0xyuyYf6:GFhu3bVhNZpH/WoJpZKxAl6
Threatray 130 similar samples on MalwareBazaar
TLSH T18CA533E0D84F864BC5FAFD728C21B547EC2610B99C014ECBB765473EA14363AB5EE864
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter jstrosch
Tags:.NET AZORult exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
321
Origin country :
US US
Vendor Threat Intelligence
Malware family:
azorult
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-12 14:25:12 UTC
Tags:
trojan rat azorult

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Hides threads from debuggers
Injects a PE file into a foreign processes
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 864686 Sample: file.exe Startdate: 12/05/2023 Architecture: WINDOWS Score: 100 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected AntiVM3 2->46 48 5 other signatures 2->48 8 file.exe 5 2->8         started        12 IsClosed.exe 2->12         started        process3 file4 38 C:\...\Pbujxbvzatocktihuryyblaysccxyah.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->40 dropped 50 Encrypted powershell cmdline option found 8->50 52 Injects a PE file into a foreign processes 8->52 14 Pbujxbvzatocktihuryyblaysccxyah.exe 3 8->14         started        17 file.exe 1 8->17         started        19 powershell.exe 14 8->19         started        21 file.exe 8->21         started        54 Antivirus detection for dropped file 12->54 56 Multi AV Scanner detection for dropped file 12->56 58 Machine Learning detection for dropped file 12->58 signatures5 process6 signatures7 60 Antivirus detection for dropped file 14->60 62 Multi AV Scanner detection for dropped file 14->62 64 Machine Learning detection for dropped file 14->64 68 2 other signatures 14->68 23 Pbujxbvzatocktihuryyblaysccxyah.exe 5 14->23         started        26 Pbujxbvzatocktihuryyblaysccxyah.exe 14->26         started        66 Hides threads from debuggers 17->66 28 certreq.exe 1 17->28         started        30 conhost.exe 19->30         started        process8 file9 36 C:\Users\user\AppData\Local\...\IsClosed.exe, PE32 23->36 dropped 32 WerFault.exe 7 23->32         started        34 conhost.exe 28->34         started        process10
Threat name:
Win32.Trojan.Sirefef
Status:
Malicious
First seen:
2023-05-12 09:27:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
azorult
Score:
  10/10
Tags:
family:azorult collection discovery infostealer spyware stealer trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Azorult
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
http://195.245.112.115/index.php
Unpacked files
SH256 hash:
bf1d731a91e424fd67778f176ac652fa5ca39f2ab188ef740184e4b2808c7b3c
MD5 hash:
3fb6cf96f767a54d5c8572480fcf9a31
SHA1 hash:
330587e6a7a1ddbafb746cc8aa47bd8f955e3e31
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:BruteSyscallHashes
Author:Embee_Research @ Huntress
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_brute_ratel_c4_w0
Author:Embee_Research @ Huntress

File information


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

Web download

AZORult

Executable exe bf1d731a91e424fd67778f176ac652fa5ca39f2ab188ef740184e4b2808c7b3c

(this sample)

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