MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99fa917c6f97756ac7ced3ca06142728178550f72be70326ab30420fd4e9797e. 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
| SHA256 hash: | 99fa917c6f97756ac7ced3ca06142728178550f72be70326ab30420fd4e9797e |
|---|---|
| SHA3-384 hash: | 7b13688712fd4846541bd6634cb1300a8846b37879fe61b5e01328bd8d2141c9ac41fc5b35bebb05da392a2b693981ce |
| SHA1 hash: | 9a90e290225c0f4c19f18caf0d60ccdebbcff8cc |
| MD5 hash: | 67b197ac637660d93ff5b6c2471495bf |
| humanhash: | jersey-august-tennis-vermont |
| File name: | HAWB-EAL003 19C-FOC.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'192'448 bytes |
| First seen: | 2020-08-31 05:46:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki) |
| ssdeep | 12288:yR/MXPsQjiTiCAeeJpWkjumgIvSQCutDEVFbtir4247AQrns/7kjNxfKM+sLdPL9:cQvrCXEucruic247nrns/YNpVlpD+Be |
| Threatray | 9'499 similar samples on MalwareBazaar |
| TLSH | 0E458DE3B29E463ED1721A38AC3B5774582ABF03692868457BE4DD4C4E352C538372E7 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: sgs.com
Sending IP: 185.222.58.110
From: Finance Dpt<sharifah.kamal@sgs.com>
Subject: Global best T/T PAYMENT advise // PI # CFL002/19A
Attachment: HAWB-EAL003 19C-FOC_pdf________________________.gz (contains "HAWB-EAL003 19C-FOC.exe")
AgentTesla SMTP exfil server:
mail.hybridgroupco.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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:
Threat name:
Win32.Trojan.DelfFareIt
Status:
Malicious
First seen:
2020-08-30 22:18:54 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
hawkeyekeylogger
Similar samples:
+ 9'489 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
upx 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
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
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.
Malspam
Delivery method
Distributed via e-mail attachment
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