MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4257668544f82471d6be72eca158de2d80011072ba2954b06fbae4ff6a71b4d2. 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: 12
| SHA256 hash: | 4257668544f82471d6be72eca158de2d80011072ba2954b06fbae4ff6a71b4d2 |
|---|---|
| SHA3-384 hash: | 77a0ce4e393edae5d9ba874e1b0e73d0c4eaf97693a326a94a312b31f31e97f39071a498eb477aa4c980a0c3ee70aefc |
| SHA1 hash: | 1abd3b6a868e4af96fdecea6d24d18c504cd53e8 |
| MD5 hash: | 7aa3f456550482e7bda6a02528ac9810 |
| humanhash: | carbon-yankee-mountain-princess |
| File name: | doc2019291888001990.pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 666'624 bytes |
| First seen: | 2021-09-02 08:51:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:IeZh0joFiZfb46r1z9FNWQF0kNNDWciU0:I7o+TdfbWQykNO |
| Threatray | 9'332 similar samples on MalwareBazaar |
| TLSH | T1BDE4FA3E18FE23279176C7D5CBE08823F6D098AF3233A96567D747264316A4675C322E |
| Reporter |  lowmal3 |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
doc2019291888001990.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-02 08:52:57 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Malware family:
Agent Tesla
Verdict:
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 contains very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-02 08:48:11 UTC
AV detection:
10 of 43 (23.26%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 9'322 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
10a6b3ecb9107dcbe6d2ad957a4e90d5e3312e4e750df64f54091e773ecc712f
MD5 hash:
3d736720660862dfbd1cbad4470162d5
SHA1 hash:
e50ecbfe8d3e4faf784441d950fb7695129efb1d
SH256 hash:
2459fa4083621b66fd295a71458664a78719a7a6fa0e46f1e005c3d57f78bf69
MD5 hash:
546688ae8f809936ef39e8d8cd55ee88
SHA1 hash:
dba5b049cce2185f88b288e9d752a70c7f9adeaf
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
SH256 hash:
4257668544f82471d6be72eca158de2d80011072ba2954b06fbae4ff6a71b4d2
MD5 hash:
7aa3f456550482e7bda6a02528ac9810
SHA1 hash:
1abd3b6a868e4af96fdecea6d24d18c504cd53e8
Malware family:
Agent Tesla v3
Verdict:
Malicious
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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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