MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d6911646bb6264c99bcc18c6b0ef9ee8b9976e08d308fb30c67d0b89df63e0c. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 1d6911646bb6264c99bcc18c6b0ef9ee8b9976e08d308fb30c67d0b89df63e0c
SHA3-384 hash: 0e12f4600f6ae90ebe3d8dbf38fcf454466cea5c2ee87316e20dce17abceb42eb2139240b3e0979120ae4edf5762afe4
SHA1 hash: bbb22698cc889ee7c2d1b097c97891642a498bb4
MD5 hash: ec776b26e38a892eaf7f19384f7de2c1
humanhash: queen-bravo-angel-harry
File name:RFQ -396360288309.exe
Download: download sample
Signature AgentTesla
File size:1'831'424 bytes
First seen:2020-08-31 05:51:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:nXWCXLcteVhd7qBUlnwBJWmV4vE6tZ15TGL3CZw:nXW+IY6BUSBJT4F5KL3CZw
Threatray 30 similar samples on MalwareBazaar
TLSH FC850180E58896A5DD99ABB8563ACC3553237DFDA834E51D28CE3DA73BFB3D21011423
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ru000411.widhost.net
Sending IP: 95.110.192.160
From: Fatemeh Mahini <munir@akkatoglu.com>
Subject: Re: Request for Quotation - Urgent 6/2/2020
Attachment: RFQ -396360288309.zip (contains "RFQ -396360288309.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279812 Sample: RFQ -396360288309.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 3 other signatures 2->40 7 RFQ -396360288309.exe 3 2->7         started        11 BAVLA.exe 4 2->11         started        13 BAVLA.exe 3 2->13         started        process3 file4 30 C:\Users\user\...\RFQ -396360288309.exe.log, ASCII 7->30 dropped 42 Writes to foreign memory regions 7->42 44 Allocates memory in foreign processes 7->44 46 Injects a PE file into a foreign processes 7->46 15 RegSvcs.exe 3 7->15         started        18 RegSvcs.exe 7->18         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        signatures5 process6 signatures7 54 Injects a PE file into a foreign processes 15->54 24 RegSvcs.exe 2 6 15->24         started        28 RegSvcs.exe 15->28         started        56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->58 process8 file9 32 C:\Users\user\AppData\Roaming\...\BAVLA.exe, PE32 24->32 dropped 48 Tries to steal Mail credentials (via file access) 24->48 50 Tries to harvest and steal browser information (history, passwords, etc) 24->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->52 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-30 22:09:58 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 1d6911646bb6264c99bcc18c6b0ef9ee8b9976e08d308fb30c67d0b89df63e0c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments