MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ddb4d7efe5f833597322678e85ccb43206f757624e55fa7dcadab6d398f8afea. 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: 7
| SHA256 hash: | ddb4d7efe5f833597322678e85ccb43206f757624e55fa7dcadab6d398f8afea |
|---|---|
| SHA3-384 hash: | 6d5a749e750b722df6e153ecb07ae59779acd77e13ec448e6cc0159fe28c8572109f456ac970398e09f8b8949fdc578d |
| SHA1 hash: | e8a5444eec1b2eb4c9a634f378412ebe3b08d7c8 |
| MD5 hash: | f575c056887b83a921d8f618a9f7e0b4 |
| humanhash: | chicken-lemon-hamper-friend |
| File name: | Purchase Order.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 669'696 bytes |
| First seen: | 2020-10-02 09:26:34 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:TK2W/SrQ6mBx89jy+8O2zKDne2wKwXmB+ba:e2SSrLms5y+l2uDnJwY |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | 64E4E03C67889753DD7E51740430130872F1D16A2221EB9DEFFC50BE26E1B726B326AA |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: box.hulkinnovations.com
Sending IP: 107.182.236.107
From: May Tealsina <Info@maytealsina.com>
Subject: Purchase Order
Attachment: Purchase Order.gz (contains "Purchase Order.exe")
AgentTesla SMTP exfil server:
smtp.shirdilog.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Launching a process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Disables Windows Defender (via service or powershell)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
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.NanoBot
Status:
Malicious
First seen:
2020-10-02 06:48:56 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
agenttesla
Score:
10/10
Tags:
keylogger stealer spyware trojan family:agenttesla evasion
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Modifies Windows Defender Real-time Protection settings
Unpacked files
SH256 hash:
ddb4d7efe5f833597322678e85ccb43206f757624e55fa7dcadab6d398f8afea
MD5 hash:
f575c056887b83a921d8f618a9f7e0b4
SHA1 hash:
e8a5444eec1b2eb4c9a634f378412ebe3b08d7c8
SH256 hash:
01dd844990e0c5fdcea0f88712253aa1ef4750316f0734ab7099306170b5ea2a
MD5 hash:
eb593633270aa19162cf64663df9dd6c
SHA1 hash:
2ec57181471ff10abe9a04239ca3ea86ea4252b9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
| 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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