MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 842c71be80362f085b75a14b64f59e581f042064b1c34195cb2d2783339569a8. 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 2 File information Comments

SHA256 hash: 842c71be80362f085b75a14b64f59e581f042064b1c34195cb2d2783339569a8
SHA3-384 hash: 1176875aaa94a152e8ec2bebe48f6b4b74a5b46dd8f7df361911e9c5237032508039e7f6e9f17975efcc606b86728bfe
SHA1 hash: 834060230798215ada67cbcf25bfd4a3b6413486
MD5 hash: fc56ce545abdddda98be7cc2d79ba4c4
humanhash: winner-moon-wolfram-charlie
File name:SecuriteInfo.com.W32.AIDetectNet.01.11965.11533
Download: download sample
Signature BluStealer
File size:25'088 bytes
First seen:2022-05-26 09:55:01 UTC
Last seen:2022-05-26 10:41:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:dWVkIJr94I7elW22mIdJ6Kqw1tlllllllllllllllllllllllllllllllllllll7:dWVkwrSIClW22mId0wd9GG
Threatray 1'214 similar samples on MalwareBazaar
TLSH T11BB27105EF8C8E35DA2636F29B73F1410679AEC259528B5924E030566DF2FF04EBE524
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4730d8d4d4d830c7 (4 x NanoCore, 3 x SnakeKeylogger, 1 x BluStealer)
Reporter SecuriteInfoCom
Tags:BluStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.11965.11533
Verdict:
Malicious activity
Analysis date:
2022-05-26 09:57:35 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Setting a single autorun event
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
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:
SpyEx, a310Logger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates multiple autostart registry keys
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected Generic Downloader
Yara detected SpyEx stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 634543 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 26/05/2022 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 6 other signatures 2->71 7 SecuriteInfo.com.W32.AIDetectNet.01.11965.exe 16 7 2->7         started        12 Qylfpmj.exe 14 4 2->12         started        14 Qylfpmj.exe 3 2->14         started        16 2 other processes 2->16 process3 dnsIp4 61 3.124.188.36, 49741, 49782, 49785 AMAZON-02US United States 7->61 55 C:\Users\user\AppData\Roaming\...\Qylfpmj.exe, PE32 7->55 dropped 57 C:\Users\user\...\Qylfpmj.exe:Zone.Identifier, ASCII 7->57 dropped 59 SecuriteInfo.com.W...et.01.11965.exe.log, ASCII 7->59 dropped 91 Creates multiple autostart registry keys 7->91 93 Writes to foreign memory regions 7->93 95 Allocates memory in foreign processes 7->95 18 InstallUtil.exe 2 2 7->18         started        22 InstallUtil.exe 7->22         started        24 cmd.exe 1 7->24         started        63 192.168.2.1 unknown unknown 12->63 97 Machine Learning detection for dropped file 12->97 99 Injects a PE file into a foreign processes 12->99 26 cmd.exe 1 12->26         started        28 InstallUtil.exe 12->28         started        30 cmd.exe 14->30         started        36 2 other processes 14->36 32 conhost.exe 16->32         started        34 conhost.exe 16->34         started        file5 signatures6 process7 file8 53 C:\Users\user\AppData\...\fireboard.exe, PE32 18->53 dropped 73 Creates multiple autostart registry keys 18->73 75 Writes to foreign memory regions 18->75 77 Allocates memory in foreign processes 18->77 83 2 other signatures 18->83 38 AppLaunch.exe 1 18->38         started        79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->79 81 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 22->81 41 conhost.exe 24->41         started        43 timeout.exe 1 24->43         started        45 conhost.exe 26->45         started        47 timeout.exe 26->47         started        49 conhost.exe 30->49         started        51 timeout.exe 30->51         started        signatures9 process10 signatures11 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->85 87 Tries to steal Mail credentials (via file / registry access) 38->87 89 Tries to harvest and steal browser information (history, passwords, etc) 38->89
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-05-26 09:55:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  3/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer persistence stealer
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
BluStealer
Unpacked files
SH256 hash:
842c71be80362f085b75a14b64f59e581f042064b1c34195cb2d2783339569a8
MD5 hash:
fc56ce545abdddda98be7cc2d79ba4c4
SHA1 hash:
834060230798215ada67cbcf25bfd4a3b6413486
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: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.

Comments