MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63df2602ff2676e438e25c4544562736eb3c4da856280600d7790edcd0478914. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63df2602ff2676e438e25c4544562736eb3c4da856280600d7790edcd0478914
SHA3-384 hash: 42ff19dcf5ba32df10f6143929a68c72a306501aaa9aa2ee8a1bd0bc4fc1b930e86821a6511416b3b20671db6e90fa1c
SHA1 hash: e8f1a324c26a6ee38a51e7fde77453988c8fb982
MD5 hash: aa328325ffd6eb33df17a33b37c545b8
humanhash: stairway-saturn-florida-lamp
File name:RFQ Bag 6.24.20.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:742'912 bytes
First seen:2020-07-21 18:46:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JAvqMg/84C4U5y8CO53HGCE6dh6i1z/YwByyImkCfgmv84h:6qz/84xUk8COFGCrKi1z/bgXCJv84h
Threatray 10'692 similar samples on MalwareBazaar
TLSH 90F4AE00FBF585CAD3AA4F7AD47041009675F95BABE6E78B3B84F2AD18563588703F12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sltidc.lk
Sending IP: 124.43.128.148
From: Alvin TAN <info@deluxeautouae.com>
Subject: RFQ for USA Handle Bag.
Attachment: RFQ Bag 6.24.20.pdf.rar (contains "RFQ Bag 6.24.20.pdf.exe")

AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30366/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WYG.30578.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/393693
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249135 Sample: RFQ Bag 6.24.20.pdf.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 6 other signatures 2->37 6 donstan.exe 4 2->6         started        9 RFQ Bag 6.24.20.pdf.exe 5 2->9         started        12 donstan.exe 3 2->12         started        process3 file4 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->43 14 donstan.exe 10 6->14         started        27 C:\Users\user\...\RFQ Bag 6.24.20.pdf.exe.log, ASCII 9->27 dropped 18 RFQ Bag 6.24.20.pdf.exe 2 13 9->18         started        21 donstan.exe 2 12->21         started        signatures5 process6 dnsIp7 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file access) 14->47 49 Tries to harvest and steal ftp login credentials 14->49 51 Tries to harvest and steal browser information (history, passwords, etc) 14->51 29 bh-58.webhostbox.net 199.79.63.24, 49722, 49723, 49724 PUBLIC-DOMAIN-REGISTRYUS United States 18->29 23 C:\Users\user\AppData\Local\...\donstan.exe, PE32 18->23 dropped 25 C:\Users\user\...\donstan.exe:Zone.Identifier, ASCII 18->25 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->53 55 Installs a global keyboard hook 18->55 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63df2602ff2676e438e25c4544562736eb3c4da856280600d7790edcd0478914/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 18:48:09 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mppsmax7ez3oiohclrcuivrhg3vtytnikyuamagxpehnzuchreka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'682 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200721-agbwgm3dvs/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar 6eeb0d386fc110cb6ae44e66db6886c1645e2268267a1f28533754d8e7ce3d9d

AgentTesla

Executable exe 63df2602ff2676e438e25c4544562736eb3c4da856280600d7790edcd0478914

(this sample)

  
Dropped by
MD5 46fbe1a2448829cd84d250772623476c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30366/
  
Dropped by
SHA256 6eeb0d386fc110cb6ae44e66db6886c1645e2268267a1f28533754d8e7ce3d9d

Comments