MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fc3b496c7ac53d926fc798cc9e31d907f70c5392b4e7b6b0b368f7eccd2d638. 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: 11
| SHA256 hash: | 4fc3b496c7ac53d926fc798cc9e31d907f70c5392b4e7b6b0b368f7eccd2d638 |
|---|---|
| SHA3-384 hash: | cda5de866406f03856da695f6fb9a1a0027ba4b570013de69146303c445848292d6d5c5c280e8d1d2061e5f88702b39e |
| SHA1 hash: | f137b71023625fb548e0b8378792c01d461dc7e8 |
| MD5 hash: | 9524edd5d63a34b2709ffa194db63cef |
| humanhash: | freddie-mexico-massachusetts-eighteen |
| File name: | 4.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 522'343 bytes |
| First seen: | 2021-06-04 10:07:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 12288:CD3YPvbdnYWGhTyw31UjueuDsrzUVA52wp:0ovpYWGRyi1UjueuDKf28 |
| Threatray | 5'602 similar samples on MalwareBazaar |
| TLSH | A1B401153BC0FC18DE6250310AE6DB67EF74A8042E62569F3F122ADA7DB23FD894510E |
| Reporter |  ankit_anubhav |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
408
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4.exe
Verdict:
Malicious activity
Analysis date:
2021-06-04 10:08:32 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
DNS request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
Win32.Trojan.Stelega
Status:
Malicious
First seen:
2021-06-02 20:53:57 UTC
AV detection:
18 of 47 (38.30%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 5'592 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1809275429:AAFm4oLtEW1HV5nKwrfg5bFLjVGPPnM4B2E/sendDocument
Unpacked files
SH256 hash:
4fc3b496c7ac53d926fc798cc9e31d907f70c5392b4e7b6b0b368f7eccd2d638
MD5 hash:
9524edd5d63a34b2709ffa194db63cef
SHA1 hash:
f137b71023625fb548e0b8378792c01d461dc7e8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DriveBy Activity
Score:
0.90
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Telegram_Exfiltration_Via_Api |
|---|---|
| Author: | lsepaolo |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
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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