MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c8fb4f739e355cab35090244a1be19d2c97049c64bfb76d61538a6b7306f3528. 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: 6
| SHA256 hash: | c8fb4f739e355cab35090244a1be19d2c97049c64bfb76d61538a6b7306f3528 |
|---|---|
| SHA3-384 hash: | 5edf0e395703bc9725ca919cbaacef9ab039ae1397f699371b4549ffd68a58bd68886778c6288f869e939d15dc2196b9 |
| SHA1 hash: | e660c6df771844e2d0ab6a88ff0b27123557edce |
| MD5 hash: | 266893ffe1cbdecb6d1b20034a4a0f4c |
| humanhash: | georgia-pennsylvania-chicken-low |
| File name: | PO#KILSD_pdf.scr |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 967'680 bytes |
| First seen: | 2020-10-27 10:19:16 UTC |
| Last seen: | 2020-10-27 12:16:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:rfqYF1kshVZuXkciKbgvGj80beEr11/w9uUYCeB4Wwt6BNuToJ8Ot:ui10kcKqJbeEr11/T605 |
| Threatray | 16 similar samples on MalwareBazaar |
| TLSH | E4256AD8FD13F18EC41694F5C95DDC6CAA10EF6A431A8D02A007F3995939A9ECED84F2 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla scr |
abuse_ch
Malspam distributing AgentTesla:HELO: mail.belowtheweb.com
Sending IP: 85.17.80.137
From: Fourie <service@maubra.co.za>
Reply-To: service@maubra.co.za
Subject: RE: Purchase Order PO105187
Attachment: PO105187_pdf.img (contains "PO#KILSD_pdf.scr")
AgentTesla SMTP exfil server:
smtp.yandex.ru:587
Intelligence
File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Status:
Malicious
First seen:
2020-10-27 06:35:28 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 6 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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