MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c5bb6790058790947ba459bdd9a4db3f53119ac35bbc4d60bf816a31b6d04438. 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
| SHA256 hash: | c5bb6790058790947ba459bdd9a4db3f53119ac35bbc4d60bf816a31b6d04438 |
|---|---|
| SHA3-384 hash: | c9aff1f2ae7100dbd90b7ee6b8e2775c565cd83737436de33bbac344d5d96a4ed654c9edf15c8d146b69fa08fdf15db5 |
| SHA1 hash: | 32ebe56841e8f01a056d6a2e00aba6a9a87ea1ad |
| MD5 hash: | e9ffe8737fd31ecdeca3326c49900c9d |
| humanhash: | avocado-ohio-speaker-magazine |
| File name: | OUTSTANDING.pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 823'296 bytes |
| First seen: | 2020-08-11 14:23:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:FVmVEMGmfZhBA5Jydol7i2BCZvbngZ7u/:Fk2M7XBuiOu28Zo |
| Threatray | 10'770 similar samples on MalwareBazaar |
| TLSH | D5059E50F60032D6F622C53872C1FAB22729ACA3D66A0F77F56B35A50FB41D90663F19 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe GoDaddy |
abuse_ch
Malspam distributing AgentTesla:HELO: p3plsmtps2ded01.prod.phx3.secureserver.net
Sending IP: 208.109.80.58
From: Barr.Klara-Marie Bartels <Solicitors@hgc.com>
Subject: HCG Esq: Outstanding JUN,17 (URGENT)
Attachment: OUTSTANDING.pdf.gz (contains "OUTSTANDING.pdf.exe")
AgentTesla SMTP exfil server:
mail.sewingsupermarket.com:587
AgentTesla SMTP exfil email address:
sales@sewingsupermarket.com
Intelligence
File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
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 sample
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Status:
Malicious
First seen:
2020-08-11 14:25:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 10'760 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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.
ef50c2e35e811dc75e6fbb0156c3632f
Dropped by
MD5 ef50c2e35e811dc75e6fbb0156c3632f
Delivery method
Distributed via e-mail attachment
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