MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2d8bfec4161287caf4f118ec66daaceb71c6fdda1b4aa16f8810f8a66f59013. 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: e2d8bfec4161287caf4f118ec66daaceb71c6fdda1b4aa16f8810f8a66f59013
SHA3-384 hash: a3dbc21a845bf1a93b4acd8d1b56404ec9899ce0704aa7b4f3cce39b79072180e638da6d5c2555fc22dc4d58bfb48b6b
SHA1 hash: c1972696f29230a5cc847613daa1024ff1a58558
MD5 hash: 61a127dd26ebd6d523f95bad6deba156
humanhash: butter-pizza-pizza-vermont
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:1'043'456 bytes
First seen:2020-08-19 14:53:43 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:Ir0wHYiOceoeWBYd5OVVTuk6qV+dbrFtdXxl6l/17douDzwDWn5Uu2i1AfY1RujK:IIziOchnEAibXxklZaunwSnuYAtyuqt
Threatray 9'938 similar samples on MalwareBazaar
TLSH E125D053639DAB2EC2BE96FBB0B588165B70C25261CFE39918CC6A705DD33740ECB161
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: Vikas Ramdham <gsea@cyber.net.pk>
Subject: RE: PURCHASE ORDER
Attachment: Purchase Order.r00 (contains "Purchase Order.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Disables the Windows task manager (taskmgr)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: RegAsm connects to smtp port
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: 271805 Sample: Purchase Order.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 67 Found malware configuration 2->67 69 Sigma detected: RegAsm connects to smtp port 2->69 71 Yara detected AgentTesla 2->71 73 Initial sample is a PE file and has a suspicious name 2->73 8 Purchase Order.exe 1 2->8         started        11 PuhtM.exe 2->11         started        13 PuhtM.exe 2->13         started        process3 signatures4 75 Writes to foreign memory regions 8->75 77 Maps a DLL or memory area into another process 8->77 15 RegAsm.exe 2 4 8->15         started        20 Purchase Order.exe 1 8->20         started        22 RegAsm.exe 8->22         started        24 cmd.exe 1 8->24         started        26 conhost.exe 11->26         started        28 conhost.exe 13->28         started        process5 dnsIp6 49 opcina-kiseljak.org 185.212.108.34, 49730, 587 GLOBALHOST-BOSNIA-ASBA Bosnia and Herzegowina 15->49 51 mail.opcina-kiseljak.org 15->51 47 C:\Users\user\AppData\Roaming\...\PuhtM.exe, PE32 15->47 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->53 55 Tries to steal Mail credentials (via file access) 15->55 57 Tries to harvest and steal ftp login credentials 15->57 65 2 other signatures 15->65 30 reg.exe 1 1 15->30         started        59 Writes to foreign memory regions 20->59 61 Maps a DLL or memory area into another process 20->61 33 cmd.exe 1 20->33         started        35 RegAsm.exe 2 20->35         started        63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->63 37 conhost.exe 24->37         started        39 choice.exe 1 24->39         started        file7 signatures8 process9 signatures10 79 Disables the Windows task manager (taskmgr) 30->79 41 conhost.exe 30->41         started        43 conhost.exe 33->43         started        45 choice.exe 1 33->45         started        process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-19 02:22:40 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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 e2d8bfec4161287caf4f118ec66daaceb71c6fdda1b4aa16f8810f8a66f59013

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments