MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a6df90a24c8100b2ce198b1d3aee1f5bc78d6ab846911a58a0183f4c72912217. 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: 8
| SHA256 hash: | a6df90a24c8100b2ce198b1d3aee1f5bc78d6ab846911a58a0183f4c72912217 |
|---|---|
| SHA3-384 hash: | 0a324cd21408ac38fae93d8d5aed14c285763cb84e5a0a117aadc9bdaf3c3537ba3b5f2de5756d087e6fb169c2c54d17 |
| SHA1 hash: | 572190a098dcde553919e0052e3c5691a52e4a0c |
| MD5 hash: | 05238134c0d1702a09516516e95e2be2 |
| humanhash: | don-speaker-august-butter |
| File name: | file.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 804'352 bytes |
| First seen: | 2020-08-10 09:32:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ce9dc34dcdc6dcac1abc92d3ec049de7 (11 x AgentTesla, 4 x MassLogger, 2 x FormBook) |
| ssdeep | 12288:DQoTCHdOasekxlSBWq6UDb9BxgMBFGCeR7H5ntC7sVmhkMQjhMrvIxJ9uL/KEb:c4UOaeCWal93GVRLyUMQVLDgL/KI |
| Threatray | 12'044 similar samples on MalwareBazaar |
| TLSH | 3105BF26E1E04833C363D53F9C1B56679829BE512A286946EBE45C4C4F397B03CE52BF |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe Maersk |
abuse_ch
Malspam distributing AgentTesla:HELO: mail.sekawan.com
Sending IP: 45.251.72.199
From: Maersk Notification <055077@sekawan.com>
Subject: MAERSK: FINAL ARRIVAL NOTIFICATION - MV CALYPSO VOY 041E - ETA 2020/08/10
Attachment: Shipping Doc_Bill Of Lading-046384638.img (contains "file.exe")
AgentTesla SMTP exfil server:
smtp.yandex.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Launching the process to change network settings
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-08-10 09:34:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
hawkeyekeylogger
Similar samples:
+ 12'034 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
upx keylogger stealer persistence trojan spyware family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
UPX packed file
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.
c88e3cb8fb8424e7d1d4f18ae4d6a906
Dropped by
MD5 c88e3cb8fb8424e7d1d4f18ae4d6a906
Delivery method
Distributed via e-mail attachment
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