MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4ef1a4cacdbe72cc3fd0ffb676a515684164849fd6048bcdef42c59358baecf7. 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: | 4ef1a4cacdbe72cc3fd0ffb676a515684164849fd6048bcdef42c59358baecf7 |
|---|---|
| SHA3-384 hash: | 263a56609cf5850d7b24c2280119809edb1493d7dc65ae96c2dec236d8b102408a73afb9a584143b2ee5276f8d51632b |
| SHA1 hash: | 02d06fdc4c67d9d07f16f87a57959d405b78d18e |
| MD5 hash: | f38433bc837185878c2b29cc756e3e10 |
| humanhash: | burger-arizona-oxygen-alanine |
| File name: | Lista de empaque.pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 983'552 bytes |
| First seen: | 2021-08-22 20:25:28 UTC |
| Last seen: | 2021-08-22 21:46:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:qQc4w570tQ2pcJVGmLlVrf9BhiTL1cdbL8kh5Y:Y4w570lcLHhiFKbc |
| Threatray | 8'747 similar samples on MalwareBazaar |
| TLSH | T1E125173C19B91637D1B9C365EBE09423F158985FB415AE6A6CDE03A7030BA8734C727E |
| Reporter |  AndreGironda |
| Tags: | AgentTesla AgentTeslaV3 exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
421
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Lista de empaque.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-22 20:26:30 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.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
Machine Learning detection for sample
Modifies the hosts file
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)
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:
2021-08-22 19:01:31 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 8'737 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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
88857dd14c84a67bccd86f4f7701b10fc6cec03cd32957c0fa891bae9b9219b3
MD5 hash:
15eef33c85d61ae29c5bcf6e3397d5de
SHA1 hash:
905f9c40d63e659d0c49af6d27234c3304ace206
SH256 hash:
a21c965b4e7d63e6fc5d1384924b80f57c3440b64a8e7bc30fd09f58a16e6914
MD5 hash:
2241ee5af93ae6598785c62b13b98a2e
SHA1 hash:
de427719ac7fb9b0897571d008c9d548448a06a2
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
4ef1a4cacdbe72cc3fd0ffb676a515684164849fd6048bcdef42c59358baecf7
MD5 hash:
f38433bc837185878c2b29cc756e3e10
SHA1 hash:
02d06fdc4c67d9d07f16f87a57959d405b78d18e
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: | 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.
86d81ebd883996cb3f2b1af9699ccff545203db342db684939ef16d71eceb048
Dropped by
SHA256 86d81ebd883996cb3f2b1af9699ccff545203db342db684939ef16d71eceb048
Dropped by
SHA256 a629fbc2fdd3658b301701e340203d16147679f1155a9bf464bb796be62ed816
Delivery method
Distributed via e-mail attachment
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