MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7672c98ec56f080b7a6a3649296931e601e262cdd9288b6f1448ea134108d7d2. 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

SHA256 hash: 7672c98ec56f080b7a6a3649296931e601e262cdd9288b6f1448ea134108d7d2
SHA3-384 hash: 49be6fc9cc76906555d31bcddd9198a1d06ca48397ec5d9a02c1d4a3c5de35173500a076afdd89c0531ce28f2672df06
SHA1 hash: f089ef1b9915d201a63e7430e0c81660e3918cc2
MD5 hash: 39cb9d894c1b3f01f6f51fd96f1be960
humanhash: vegan-wisconsin-happy-utah
File name:SOA.exe
Download: download sample
Signature AgentTesla
File size:576'000 bytes
First seen:2020-07-16 06:56:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3E5X/2k4zUgXmwSn/FMDq3pSlmk6osV57zA/Cn5xAD:UYXmwG/FUAYV6
Threatray 11'112 similar samples on MalwareBazaar
TLSH B7C48CDC3510719EC95E8D768964DC30A6202D66F7FBE20663C76E9F793C687CE012A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 126.com
Sending IP: 103.99.1.174
From: Ningde Xinha<xhagent@126.com>
Subject: RE: RE: SOL SHIPPING - MV FENG ZHI BAO + MV CREST CRANE - SOA PDA SETTLEMENT PAYMENT
Attachment: SOA.zip (contains "SOA.exe")

AgentTesla SMTP exfil server:
mail.a-k.co.ir:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246858 Sample: SOA.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 6 other signatures 2->61 8 SOA.exe 5 2->8         started        12 OVDeV.exe 1 2->12         started        14 OVDeV.exe 2->14         started        process3 file4 45 C:\Users\user\AppData\...\vZNoiduXVd.exe, PE32 8->45 dropped 47 C:\Users\...\vZNoiduXVd.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpBE94.tmp, XML 8->49 dropped 51 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 8->51 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->77 79 Injects a PE file into a foreign processes 8->79 16 SOA.exe 1 5 8->16         started        21 schtasks.exe 1 8->21         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 23 OVDeV.exe 2 12->23         started        25 OVDeV.exe 12->25         started        27 OVDeV.exe 14->27         started        signatures5 process6 dnsIp7 53 mail.a-k.co.ir 144.76.118.219, 49716, 49717, 587 HETZNER-ASDE Germany 16->53 39 C:\Users\user\AppData\Roaming\...\OVDeV.exe, PE32 16->39 dropped 41 C:\Windows\System32\drivers\etc\hosts, ASCII 16->41 dropped 43 C:\Users\user\...\OVDeV.exe:Zone.Identifier, ASCII 16->43 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->63 65 Tries to steal Mail credentials (via file access) 16->65 67 Modifies the hosts file 16->67 29 reg.exe 16->29         started        31 conhost.exe 21->31         started        69 Tries to harvest and steal ftp login credentials 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->73 33 reg.exe 23->33         started        file8 signatures9 process10 process11 35 conhost.exe 29->35         started        37 conhost.exe 33->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 06:58:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
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 7672c98ec56f080b7a6a3649296931e601e262cdd9288b6f1448ea134108d7d2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments