MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830
SHA3-384 hash: 2e211a43c190fcd0b272d5da084dac14ca3caa352a51f3d39387d33bbe1c0921d7bc134aa87ce0b703fda83cf0344a85
SHA1 hash: c8e5f78d122944dd51b5036ff86735084c315186
MD5 hash: 5e9501d9b70f3228ffed7e833b59cb41
humanhash: mike-april-november-charlie
File name:PO_FSTG_2005007.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:745'984 bytes
First seen:2020-07-22 09:15:50 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:I9AiYk0IXk2iNHfQ96HvMXbK3jJ42a28qeT:IWVk0IXk1hfS6Hvh3N42a2
Threatray 10'660 similar samples on MalwareBazaar
TLSH 26F45B3D3B81551AD93C8A7684E459D132B165877A11CB1F39C61BBCAF037CF3B4A28A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.idecedow.com
Sending IP: 45.95.169.193
From: Juana Matheina <sales@astam-valve.com>
Subject: PO. FSTG-2005007
Attachment: PO_FSTG_2005007.iso (contains "PO_FSTG_2005007.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31004/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394810
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249810 Sample: PO_FSTG_2005007.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 7 PO_FSTG_2005007.exe 7 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 29 C:\Users\user\AppData\Roaming\jhgfgh.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->31 dropped 33 C:\Users\user\...\jhgfgh.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\...\PO_FSTG_2005007.exe.log, ASCII 7->35 dropped 14 jhgfgh.exe 2 7->14         started        17 cmd.exe 1 7->17         started        19 jhgfgh.exe 3 10->19         started        process5 signatures6 57 Writes to foreign memory regions 14->57 59 Allocates memory in foreign processes 14->59 61 Injects a PE file into a foreign processes 14->61 21 AddInProcess32.exe 3 14->21         started        25 reg.exe 1 1 17->25         started        27 conhost.exe 17->27         started        63 Antivirus detection for dropped file 19->63 65 Multi AV Scanner detection for dropped file 19->65 67 Machine Learning detection for dropped file 19->67 process7 dnsIp8 37 mail.privateemail.com 198.54.122.60, 49719, 587 NAMECHEAP-NETUS United States 21->37 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->47 49 Tries to steal Mail credentials (via file access) 21->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->51 55 2 other signatures 21->55 53 Creates an autostart registry key pointing to binary in C:\Windows 25->53 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 09:17:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdsdmalxn6jhw3yc2xchhlqmvi7wq24uqi3mssrxpnupzgvp7aya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'650 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200722-lf5x4dcs3j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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.

0342262d4479965df07b4e862c069f6b

AgentTesla

Executable exe a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830

(this sample)

  
Dropped by
MD5 0342262d4479965df07b4e862c069f6b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31004/

Comments