MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8406bf49209da29cc3367586b579f020469dbcab1bce70a61a319f3341082446. 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 7 File information Comments

SHA256 hash: 8406bf49209da29cc3367586b579f020469dbcab1bce70a61a319f3341082446
SHA3-384 hash: 1e8d71c13bd5383712bb0203af1913f9d28d2ca0d152afcfcba0d4c910a7858543f6adf6484d09c4fad3e8a82179c262
SHA1 hash: 7a67ba0b7996d6c1a73aefbd678a4b3ed2d65f03
MD5 hash: 8a4541d76de83243130b7a670c0ff239
humanhash: winter-bravo-south-paris
File name:doc2021211200101002020.exe
Download: download sample
Signature AgentTesla
File size:446'464 bytes
First seen:2021-12-21 04:59:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1+CYKddwG2EaffLdgFbnSTZtFJDNYQHmuNqgvMt:mKdnP2RgUTZDJDSQHmukt
Threatray 13'515 similar samples on MalwareBazaar
TLSH T13E94E01539C9E2DDFE3BEAF10CB17AC645B5F6D0E840F1EEFD98249A9992B500B101B1
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
doc2021211200101002020.exe
Verdict:
Malicious activity
Analysis date:
2021-12-21 06:15:34 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
Creating a window
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
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: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 543230 Sample: doc2021211200101002020.exe Startdate: 21/12/2021 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 dropped file 2->35 37 10 other signatures 2->37 7 doc2021211200101002020.exe 6 2->7         started        process3 file4 21 C:\Users\user\AppData\...\tNiZJwtLmONpS.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp5FA2.tmp, XML 7->23 dropped 25 C:\Users\...\doc2021211200101002020.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Injects a PE file into a foreign processes 7->45 11 doc2021211200101002020.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        17 WMIADAP.exe 1 7->17         started        signatures5 process6 dnsIp7 27 sistemamutfak.com 213.159.29.43, 49798, 49799, 587 AEROTEK-ASTR Turkey 11->27 29 mail.sistemamutfak.com 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-21 01:38:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a8b29bae11acdcb211225f74ea1b79776a71493acd8e9c8d960499966ef79e28
MD5 hash:
727f112a1e4325e983f22b0bd55507d1
SHA1 hash:
8fc8f0890b058ba3c1fe2479de2f3664b2518e69
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
f036956eca8467d2522343c14fc28c9d6a7feac918bbe3730da8730359cfb63e
MD5 hash:
1156b037a4774b4708f8ef0f10532b78
SHA1 hash:
36ca28abe087884521eca881be48061e748fe5ea
SH256 hash:
8406bf49209da29cc3367586b579f020469dbcab1bce70a61a319f3341082446
MD5 hash:
8a4541d76de83243130b7a670c0ff239
SHA1 hash:
7a67ba0b7996d6c1a73aefbd678a4b3ed2d65f03
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 8406bf49209da29cc3367586b579f020469dbcab1bce70a61a319f3341082446

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments