MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f114260deddc0c7ea49c9a76fca65890679874e9d295c0015d6de8f736fb8c5e. 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 7 File information Comments

SHA256 hash: f114260deddc0c7ea49c9a76fca65890679874e9d295c0015d6de8f736fb8c5e
SHA3-384 hash: a429f6d9e0b3f2cdb5cabaa195012de7d53c985ed905bbd8376ade68ab860f53daaa84ff2caf87ad0f996ffc0b19a694
SHA1 hash: 1898af1ac1c98d4842c2ac24d34f0a1f6a75025f
MD5 hash: 33d2ab3f7fbd1300affd8859e70a6382
humanhash: mississippi-fish-two-december
File name:Image001.exe
Download: download sample
Signature AgentTesla
File size:1'011'712 bytes
First seen:2020-11-18 12:27:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5113dec31b8616dbad783836e7188783 (11 x AgentTesla, 2 x HawkEye, 2 x Loki)
ssdeep 24576:/JCKxWfPNFwyIUlawEr84txax5L3+qcwM:TI4s0wO84twx3+3z
Threatray 9'768 similar samples on MalwareBazaar
TLSH E1259C23B26C4A7FC1121638ACFB5A74592DBFD32A1B69437AE49D0CDF3928538161D3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx4.azamaragroup.com
Sending IP: 193.200.151.75
From: 张梦迪 Mandy Zhang <lee.yijin@my.sika.com>
Subject: Fund Transfer - Debit Note
Attachment: Image001.gz (contains "Image001.exe")

AgentTesla SMTP exfil server:
mail.hybridgroupco.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
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
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
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
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: 319608 Sample: Image001.exe Startdate: 18/11/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Yara detected AgentTesla 2->37 39 Sigma detected: Drops script at startup location 2->39 41 3 other signatures 2->41 7 Image001.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 43 Detected unpacking (changes PE section rights) 7->43 45 Detected unpacking (creates a PE file in dynamic memory) 7->45 47 Detected unpacking (overwrites its own PE header) 7->47 49 7 other signatures 7->49 12 Image001.exe 4 7->12         started        16 notepad.exe 1 7->16         started        18 Image001.exe 7->18         started        20 Image001.exe 10->20         started        process5 dnsIp6 31 hybridgroupco.com 66.70.204.222, 49731, 587 OVHFR Canada 12->31 33 mail.hybridgroupco.com 12->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 Tries to harvest and steal browser information (history, passwords, etc) 12->57 59 Drops VBS files to the startup folder 16->59 61 Delayed program exit found 16->61 63 Writes to foreign memory regions 20->63 65 Allocates memory in foreign processes 20->65 67 Maps a DLL or memory area into another process 20->67 22 notepad.exe 1 20->22         started        25 Image001.exe 20->25         started        27 Image001.exe 20->27         started        signatures7 process8 file9 29 C:\Users\user\AppData\Roaming\...\new.vbs, ASCII 22->29 dropped
Threat name:
Win32.Trojan.Negasteal
Status:
Malicious
First seen:
2020-11-18 12:28:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
UPX packed file
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f114260deddc0c7ea49c9a76fca65890679874e9d295c0015d6de8f736fb8c5e
MD5 hash:
33d2ab3f7fbd1300affd8859e70a6382
SHA1 hash:
1898af1ac1c98d4842c2ac24d34f0a1f6a75025f
SH256 hash:
bf720561bcdd5b8c44d8f636769f150c314f1c54487022995d89e11a76e4894f
MD5 hash:
828a28d22f5482c87f7b420d3e996c22
SHA1 hash:
3ff394170f588fbeefb397b133a6df0be0a025f3
Detections:
win_agent_tesla_w1
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: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 f114260deddc0c7ea49c9a76fca65890679874e9d295c0015d6de8f736fb8c5e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments