MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d84fbc703c26cd18caa9984800602ce646f4a9e66e4d15b3aa33d9821edc394c. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: d84fbc703c26cd18caa9984800602ce646f4a9e66e4d15b3aa33d9821edc394c
SHA3-384 hash: c31124799c22bb49cec5f56f8c4171c92629b473946203a4c00ce8fd6064253e0a8a6fd0922e4c5fc5a4f184716db057
SHA1 hash: f6b20bc0be7324f8bffbae014cf079c7140b479d
MD5 hash: 8117c3fb68ebd2c52304cd5c6f5b2077
humanhash: mountain-bluebird-leopard-lake
File name:DHL.TRACKING.PDF.2021.exe
Download: download sample
Signature AgentTesla
File size:3'000'320 bytes
First seen:2021-02-09 06:37:05 UTC
Last seen:2021-02-09 08:49:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:Ndm2ejkoEJBIOJIwZ7uvxrFpso/Ne9EnsKnUncQOQxL/mxxuIwPAcYhnA6G/7P7g:
Threatray 11'018 similar samples on MalwareBazaar
TLSH F1D5E0F50DCB4EE0B604136BA7A0F5C9B7178F40B4DEEB52BB800B9D59276885A14E3D
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: carlinkmotors.com
Sending IP: 66.154.111.245
From: DHL International GmbH <sales@carlinkmotors.com>
Reply-To: DHL.AGENT<officeme47@yandex.com>
Subject: URGENT DHL DELIVERY NOTIFICATION
Attachment: DHL.TRACKING.PDF.2021.tar (contains "DHL.TRACKING.PDF.2021.exe")

AgentTesla SMTP exfil server:
web2.changeip.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL.TRACKING.PDF.2021.exe
Verdict:
Malicious activity
Analysis date:
2021-02-09 06:40:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Running batch commands
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Enabling autorun
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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
Sigma detected: Powershell adding suspicious path to exclusion list
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 350295 Sample: DHL.TRACKING.PDF.2021.exe Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 53 web2.changeip.com 2->53 55 pastebin.com 2->55 63 Multi AV Scanner detection for dropped file 2->63 65 Sigma detected: Powershell adding suspicious path to exclusion list 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 8 other signatures 2->69 8 DHL.TRACKING.PDF.2021.exe 24 6 2->8         started        13 DHL.TRACKING.PDF.2021.exe 4 2->13         started        15 DHL.TRACKING.PDF.2021.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 57 pastebin.com 104.23.98.190, 443, 49721, 49731 CLOUDFLARENETUS United States 8->57 59 192.168.2.1 unknown unknown 8->59 49 C:\Users\user\...\DHL.TRACKING.PDF.2021.exe, PE32 8->49 dropped 51 DHL.TRACKING.PDF.2...exe:Zone.Identifier, ASCII 8->51 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->71 73 Creates an undocumented autostart registry key 8->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->75 83 4 other signatures 8->83 19 cmd.exe 1 8->19         started        21 powershell.exe 23 8->21         started        23 powershell.exe 10 8->23         started        31 4 other processes 8->31 77 Adds a directory exclusion to Windows Defender 13->77 79 Hides threads from debuggers 13->79 81 Injects a PE file into a foreign processes 13->81 25 powershell.exe 13->25         started        27 powershell.exe 13->27         started        29 powershell.exe 13->29         started        61 104.23.99.190, 443, 49737, 49738 CLOUDFLARENETUS United States 15->61 file6 signatures7 process8 process9 33 conhost.exe 19->33         started        35 timeout.exe 1 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        47 conhost.exe 31->47         started       
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-02-08 15:55:08 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence ransomware spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
Windows security bypass
Unpacked files
SH256 hash:
74dd2ae46de14f0bd18f53a43b49dcad3def6ad73ceed854bf09988fb709a14f
MD5 hash:
35bd1ab51824d6dfbe845687d92d5732
SHA1 hash:
a996425097a89d1d5a27e881e0605ef4496abc58
Detections:
win_agent_tesla_w1
SH256 hash:
d84fbc703c26cd18caa9984800602ce646f4a9e66e4d15b3aa33d9821edc394c
MD5 hash:
8117c3fb68ebd2c52304cd5c6f5b2077
SHA1 hash:
f6b20bc0be7324f8bffbae014cf079c7140b479d
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
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 d84fbc703c26cd18caa9984800602ce646f4a9e66e4d15b3aa33d9821edc394c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments