MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794
SHA3-384 hash: 66f8242ccff4314c579b201da18567bc39edc2f50c686b929e00550fdf94a444a23f20c83ebc29fa8495d441f11b5d05
SHA1 hash: 40ae36f2bdd77471b2b7f0dc28cfba90da2cc673
MD5 hash: b8725d3210880f518a7c9d32c7776205
humanhash: saturn-six-oregon-maryland
File name:b8725d3210880f518a7c9d32c7776205
Download: download sample
Signature BluStealer
Create hunting rule
File size:450'560 bytes
First seen:2022-09-09 00:51:58 UTC
Last seen:2022-09-09 01:41:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash df8fbcbe90e1e305a660f0ac2aa4fae4 (6 x a310Logger, 5 x BluStealer)
ssdeep 12288:ZBWnxfgsRL4u/1AlLK6FRY2n8OPKxGvYmB:ZexgsRftD0C2nKG
TLSH T18BA4011127B6F319E2148BB513FB935400A0FB315EA34D0FBB0C6B5AA636D96D2B9317
TrID 78.7% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter zbetcheckin
Tags:32 BluStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b8725d3210880f518a7c9d32c7776205
Verdict:
Malicious activity
Analysis date:
2022-09-09 00:52:33 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/f51ef87e-26ea-4f45-8c98-66b34c627ff1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308876/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.32203.8762.12910.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll
Link:
https://www.filescan.io/uploads/631a8e36a90642bcbbf29e9a/reports/ebb390d1-67d6-4115-b11f-669699d1a6b2/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67c55d8e-d3a1-42ab-b11a-e2a459dc3f9d
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067504
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to inject code into remote processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious icon found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected BluStealer
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 09:32:50 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nplqtupj7ja7nvtq4h5tt6mggl6gijoibz6fz7gahayd47onk6ka._file
Verdict:
malicious
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer collection
Link:
https://tria.ge/reports/220909-a73m4agca9/
Behaviour
Script User-Agent
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Malware Config
C2 Extraction:
https://api.telegram.org/bot5446953292:AAFkDq-HVam91vjV2SXkAWjbhfkBnxaPoa4/sendMessage?chat_id=1269002131
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
Link:
https://www.unpac.me/results/0cf35818-08dd-46b6-baa6-8c0560604b1f/
SH256 hash:
9870dbb37050b9de21aa65dec30e7094bb34775e2b8a2ee5d37481ce924ecd5c
MD5 hash:
53cd50750accb95e275c7a00c43712e9
SHA1 hash:
b45c7fbb26bb2a25c746764b9ea2272b8227f8bc
Link:
https://www.unpac.me/results/0cf35818-08dd-46b6-baa6-8c0560604b1f/
SH256 hash:
6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794
MD5 hash:
b8725d3210880f518a7c9d32c7776205
SHA1 hash:
40ae36f2bdd77471b2b7f0dc28cfba90da2cc673
Link:
https://www.unpac.me/results/0cf35818-08dd-46b6-baa6-8c0560604b1f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6bd709d1e9fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

BluStealer

Executable exe 6bd709d1e9fa41f6d670e1fb39f98632fc6425c80e7c5cfcc038303e7dcd5794

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2297316/
Cape
Cape
https://www.capesandbox.com/analysis/308876/
  
URLhaus
https://urlhaus.abuse.ch/url/2297329/

Comments


Avatar
zbet commented on 2022-09-09 00:52:01 UTC

url : hxxp://81.161.229.110/htdocs/gKBRoQTJitYPFGk.exe