MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ddfcc0ce0a57e7f3131d0ba603d6516f00c6cf94f67e79ab38a7e8f922f74bc. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 3ddfcc0ce0a57e7f3131d0ba603d6516f00c6cf94f67e79ab38a7e8f922f74bc
SHA3-384 hash: da512357e73de597f4b01cde1c38d3f224dba2ccbb94cbfd7062433f22284122a121d8b8e4b9e28789f9bd268a870651
SHA1 hash: f0cd6cc555f9d993ede95ea03ab78d650af5ac43
MD5 hash: 8edfc0c9b66d619863da78543d8b2ebb
humanhash: iowa-fillet-eighteen-rugby
File name:Image001.exe
Download: download sample
Signature AgentTesla
File size:871'936 bytes
First seen:2020-08-10 13:07:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce9dc34dcdc6dcac1abc92d3ec049de7 (11 x AgentTesla, 4 x MassLogger, 2 x FormBook)
ssdeep 12288:aQoTCHdOasekxlSBWq6UDb9BxgMBFGCeR7Hf0hUZ74WhgKcC6a2lzXzTW4HR:34UOaeCWal93GVRLc8gKz6dB/WE
Threatray 11'174 similar samples on MalwareBazaar
TLSH 42057B17F1DC48BFC362D93B9E3B52B758E6B9132A3458453BE4684C4A392782C152FE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: bernoulli.se
Sending IP: 185.222.57.157
From: Jonas Öhrn <jonas@bernoulli.se>
Subject: Re Transfer confirmation
Attachment: Image001.img (contains "Image001.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260647 Sample: Image001.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Yara detected AgentTesla 2->40 42 Sigma detected: Drops script at startup location 2->42 44 2 other signatures 2->44 7 Image001.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 46 Detected unpacking (changes PE section rights) 7->46 48 Detected unpacking (creates a PE file in dynamic memory) 7->48 50 Detected unpacking (overwrites its own PE header) 7->50 52 8 other signatures 7->52 12 notepad.exe 1 7->12         started        15 wuapihost.exe 7->15         started        17 Image001.exe 4 7->17         started        19 Image001.exe 7->19         started        21 Image001.exe 10->21         started        process5 signatures6 62 Drops VBS files to the startup folder 12->62 64 Delayed program exit found 12->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->68 70 Writes to foreign memory regions 21->70 72 Allocates memory in foreign processes 21->72 74 Maps a DLL or memory area into another process 21->74 23 Image001.exe 4 21->23         started        27 notepad.exe 1 21->27         started        30 Image001.exe 21->30         started        process7 dnsIp8 34 hybridgroupco.com 167.114.220.88, 49731, 587 OVHFR Canada 23->34 36 mail.hybridgroupco.com 23->36 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->54 56 Tries to steal Mail credentials (via file access) 23->56 58 Tries to harvest and steal ftp login credentials 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 32 C:\Users\user\AppData\Roaming\...\AppData.vbs, ASCII 27->32 dropped file9 signatures10
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-08-10 13:08:16 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer upx spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Drops startup file
UPX packed file
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 3ddfcc0ce0a57e7f3131d0ba603d6516f00c6cf94f67e79ab38a7e8f922f74bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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