MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 40838ab66e88907074f374088b001c3c8c0c0df3a7663d4f59be55bbfc869aad. 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: | 40838ab66e88907074f374088b001c3c8c0c0df3a7663d4f59be55bbfc869aad |
|---|---|
| SHA3-384 hash: | 8e8c38f478954087b1320854567e1f499a503fb49b28e400cb8605e19d3438757c18fa24dde452c7ffccfef99c004a0e |
| SHA1 hash: | 9306d485b96f60a3bbfccd3390878b43669da1de |
| MD5 hash: | a1e24b649f5b831d36c42f52e970ef0a |
| humanhash: | wolfram-friend-sodium-fillet |
| File name: | SecuriteInfo.com.Trojan.Win32.Save.a.10129.16093 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'024'000 bytes |
| First seen: | 2021-03-15 12:51:51 UTC |
| Last seen: | 2021-03-15 16:18:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'449 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 24576:GNYNzb+t5luQS20xaU1Uwp0GDkugcKvQs:GN23+duQS2FU1Ue/ |
| Threatray | 3'219 similar samples on MalwareBazaar |
| TLSH | DE25CF241FDEE01AF3739D7462E0FBA989AFBE721A07401610B5776D473AB45AC43236 |
| Reporter |  SecuriteInfoCom |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20210314$000469.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-15 09:59:19 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-15 10:11:13 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 3'209 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
SH256 hash:
40838ab66e88907074f374088b001c3c8c0c0df3a7663d4f59be55bbfc869aad
MD5 hash:
a1e24b649f5b831d36c42f52e970ef0a
SHA1 hash:
9306d485b96f60a3bbfccd3390878b43669da1de
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| 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: | 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.
Web download
Delivery method
Distributed via web download
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