MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c4bb89b988346aaae821e6b5ca65572da9e265bf00dfa5d0df0870634711545. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 3c4bb89b988346aaae821e6b5ca65572da9e265bf00dfa5d0df0870634711545
SHA3-384 hash: 90f315bf49a8ee738d152970baf8aac614da85a154eeba3c5bfdc65bf6a9a721805c721369daceb7f5f634d385894de9
SHA1 hash: e1fdfe7d35e0241eb17e501dce0586f37bef4ac7
MD5 hash: 9c8ebe5eb36367cf02012d0664b97202
humanhash: oklahoma-mars-india-jersey
File name:RFQ-06062023.exe
Download: download sample
Signature BluStealer
File size:1'018'368 bytes
First seen:2023-06-06 08:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:E/thewlqB6pq4ptiyuo0urd0XAa23zgS4mU3yUt7T6O+uw+:se2q8pFpt91yf6U3D7TX+
Threatray 127 similar samples on MalwareBazaar
TLSH T1B125126827BB421DC8573FBC0D508975C3FA58947433D2476FA2A9DDED18B090EC6AA3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0d4d4c4c4c4c4f0 (13 x AgentTesla, 10 x Formbook, 4 x Loki)
Reporter lowmal3
Tags:BluStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
278
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ-06062023.exe
Verdict:
Malicious activity
Analysis date:
2023-06-06 08:16:21 UTC
Tags:
stealer

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
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin 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, ThunderFox Stealer, a310Logg
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Contains functionality to inject code into remote processes
Found malware configuration
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
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-06 03:42:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer collection stealer
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
SH256 hash:
a4b55247b3e10d05aad24505daa475ce6ec27682337857a6cf0031aacf2a155c
MD5 hash:
494a605ec14a0bd14ad3db0eed037454
SHA1 hash:
fe244e37cb29ba0c6b6a1744d91ec05a6194f726
SH256 hash:
bead13c439fb45a1a9be5a5657d1b4d5df75662ea7e2605c66462bf77eb53bd3
MD5 hash:
314b8dddb44d1f2dcb140031bac019e1
SHA1 hash:
eda0279f3361e3d9fad0064c42973b249b2de934
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
2139504d4153d36d7b4fcd8dc341bb800dc25465eff3cb77620c20c896e15a06
MD5 hash:
b43007dc92b49b544b42ce05f076fa6f
SHA1 hash:
75a92935910cd509935014c516d60131fcfe0979
SH256 hash:
9f7388193b340da1e3c40072a9e00f64ac7379cd90ff1f1a1581ef32393d6973
MD5 hash:
8ea629ab6f57f45f9b646a9d92e95af5
SHA1 hash:
6ce089d96d5b8d222d41b5e5765179474c6cadf0
SH256 hash:
9870dbb37050b9de21aa65dec30e7094bb34775e2b8a2ee5d37481ce924ecd5c
MD5 hash:
53cd50750accb95e275c7a00c43712e9
SHA1 hash:
b45c7fbb26bb2a25c746764b9ea2272b8227f8bc
SH256 hash:
3c4bb89b988346aaae821e6b5ca65572da9e265bf00dfa5d0df0870634711545
MD5 hash:
9c8ebe5eb36367cf02012d0664b97202
SHA1 hash:
e1fdfe7d35e0241eb17e501dce0586f37bef4ac7
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.

Malspam

BluStealer

Executable exe 3c4bb89b988346aaae821e6b5ca65572da9e265bf00dfa5d0df0870634711545

(this sample)

  
Delivery method
Distributed via e-mail attachment

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