MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2a89003afaf641041d0b9e6105b347a45da9eb13b780403c902f4511f0061ed. 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



BluStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: d2a89003afaf641041d0b9e6105b347a45da9eb13b780403c902f4511f0061ed
SHA3-384 hash: b81d314935c05656c576b765cf20be5e27e15467209f2de1849d507d4b03e4c9a28862a4c3cfc492880f623367bf9c98
SHA1 hash: aa6030f7857211dcaf5477d9a7389fcde4dfa710
MD5 hash: 2603a58bbc472a179a8b937b5182dd9d
humanhash: nitrogen-snake-white-yellow
File name:SecuriteInfo.com.W32.AIDetectNet.01.18353.9992
Download: download sample
Signature BluStealer
File size:845'312 bytes
First seen:2022-07-21 03:35:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:OmgMYH/UB5JiChd0i5qQZHwMYA9u18G1CNH0J7RhDuudddagzUsiWh6XOfnbcaFX:OvMYYPiOJZHwMYAIiG1B3hKudddagzUG
Threatray 190 similar samples on MalwareBazaar
TLSH T11C05DFF630D742ACD81ABD38CEB4AC63F866DCB6518C543CEF3C364A18E957A45A1316
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0800e2eeece2e468 (10 x AgentTesla, 4 x NanoCore, 2 x QuasarRAT)
Reporter SecuriteInfoCom
Tags:BluStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
BluStealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
DLL side loading technique detected
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected BluStealer
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670756 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected BluStealer 2->63 65 4 other signatures 2->65 7 SecuriteInfo.com.W32.AIDetectNet.01.18353.exe 1 5 2->7         started        11 Zwbhuz.exe 2 2->11         started        13 Zwbhuz.exe 1 2->13         started        process3 file4 39 C:\Users\user\AppData\Roaming\...\Zwbhuz.exe, PE32 7->39 dropped 41 C:\Users\user\...\Zwbhuz.exe:Zone.Identifier, ASCII 7->41 dropped 43 SecuriteInfo.com.W...et.01.18353.exe.log, ASCII 7->43 dropped 67 Encrypted powershell cmdline option found 7->67 69 Writes to foreign memory regions 7->69 71 Allocates memory in foreign processes 7->71 15 InstallUtil.exe 3 11 7->15         started        19 InstallUtil.exe 7->19         started        21 powershell.exe 15 7->21         started        23 InstallUtil.exe 7->23         started        73 Machine Learning detection for dropped file 11->73 75 Injects a PE file into a foreign processes 11->75 25 powershell.exe 11->25         started        27 InstallUtil.exe 11->27         started        29 powershell.exe 13->29         started        31 InstallUtil.exe 13->31         started        signatures5 process6 file7 45 C:\Users\Public\...\sqlite3.dll, PE32 15->45 dropped 47 C:\Users\Public\...\SQLite3_StdCall.dll, PE32 15->47 dropped 49 Tries to harvest and steal browser information (history, passwords, etc) 15->49 51 DLL side loading technique detected 15->51 53 Tries to steal Crypto Currency Wallets 15->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->55 57 Writes or reads registry keys via WMI 19->57 33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        37 conhost.exe 29->37         started        signatures8 process9
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-07-21 01:14:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
11 of 26 (42.31%)
Threat level:
  3/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Loads dropped DLL
Checks computer location settings
BluStealer
Unpacked files
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
SH256 hash:
c559fdef6aacbabf15b35d3f33015b7e987a7e40873059c9c86a1c6506b28c84
MD5 hash:
19f353c3f23f38fbd2334e3bc46d3cfc
SHA1 hash:
348ab35f2f413608fb9dec567f385e727b9c77ce
SH256 hash:
fc537ed5e7912f4edc5d3b3b41957a27194acbbb6293f37bbada5d8a050cf0f3
MD5 hash:
5e69504c88b5e6a4913ed5900c8e4bfd
SHA1 hash:
2a495b003352407329d4f1fb2630ff96e9811e5a
SH256 hash:
d2a89003afaf641041d0b9e6105b347a45da9eb13b780403c902f4511f0061ed
MD5 hash:
2603a58bbc472a179a8b937b5182dd9d
SHA1 hash:
aa6030f7857211dcaf5477d9a7389fcde4dfa710
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_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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