MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71fb081a54ae28eee92c61bc2c09aa76c155ead346ad5f2b4959250bc24d01c4. 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



AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 71fb081a54ae28eee92c61bc2c09aa76c155ead346ad5f2b4959250bc24d01c4
SHA3-384 hash: 0a79e33e1bd0d6d1bb61718ca7e12f47bbb68f903925dc3f4f1da582b5550737cc806ebe23a35624ff0c8251cc0626aa
SHA1 hash: ee519188f39d9f6954c57797369ee0765b1e05c0
MD5 hash: a554844c8416718f2f8743f3b8be2479
humanhash: one-triple-delta-lactose
File name:BL draft.exe
Download: download sample
Signature AgentTesla
File size:668'672 bytes
First seen:2022-05-11 04:58:19 UTC
Last seen:2022-05-11 14:16:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5kOhzGURP2bQ4GO51GaKbEHyLkBcaMWaOXKm46DHris7K6onnMbfTJO6Flcj0t6U:0UV4B51GaYEH8ScO6B6
Threatray 17'360 similar samples on MalwareBazaar
TLSH T104E407AC312471DEE46BC575C9595C78EBA2346B830B42139063E7BDAE0D9B7DF120B2
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)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit obfuscated packed replace.exe
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:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-10 01:05:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
ccba80b24e5e6e41b952bfbfd9554b0c273bd7ee62142641380b981e7758d854
MD5 hash:
d78c86ff545ddb153440e90d5164c588
SHA1 hash:
4b02fed31b66446451b99e21c3a820a4022df56f
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
71fb081a54ae28eee92c61bc2c09aa76c155ead346ad5f2b4959250bc24d01c4
MD5 hash:
a554844c8416718f2f8743f3b8be2479
SHA1 hash:
ee519188f39d9f6954c57797369ee0765b1e05c0
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

AgentTesla

Executable exe 71fb081a54ae28eee92c61bc2c09aa76c155ead346ad5f2b4959250bc24d01c4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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