MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f1b83a44c460dbf9d967fba2ad03945ceb6d0502b23d5abf14175c85244e4cf7. 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: 10
| SHA256 hash: | f1b83a44c460dbf9d967fba2ad03945ceb6d0502b23d5abf14175c85244e4cf7 |
|---|---|
| SHA3-384 hash: | d469eba064a8f63b3f7395bce2fd8b43eca3813f666e2722dc531296f2b07a688033af86a0e93ad25924b158d5201934 |
| SHA1 hash: | 767a64c257fb5e00962c7ce3d5cd294e2499deec |
| MD5 hash: | eee6d8dc695bd59ff6d3533d96584be4 |
| humanhash: | pluto-maine-venus-asparagus |
| File name: | SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.26038.20351 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 537'088 bytes |
| First seen: | 2021-07-07 15:48:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:UQC8EKlXgFxY3wBeTqdFdBVOLRG2LIHndi3vZPqjH1WZV7pgly:RUdFIAh9yZPqjI8y |
| Threatray | 6'430 similar samples on MalwareBazaar |
| TLSH | T1F7B49D3E6AA52727F77781758A814055F5BC80EB36329DD783C7268C350E9027EEA32D |
| Reporter |  SecuriteInfoCom |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.26038.20351
Verdict:
Suspicious activity
Analysis date:
2021-07-07 16:07:29 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
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.
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-07-07 14:21:57 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 6'420 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e40f9d97d721c85b0f020780dab5010b0c595d58d6517eeca34ddf0cbbf0fd65
MD5 hash:
f6870aec4b400881a61619ce51aa8e5c
SHA1 hash:
c41fc52e06f5f575febda55e6da75b4699359b70
SH256 hash:
1757dd2079c350490d975d59ee16eec9b88a4836d8d631774c6c8b31b83e0006
MD5 hash:
77f79f6afa915d82ba5a82e933517ef0
SHA1 hash:
6dd1a2e6e33573f8fef17bdc3f64c4707a1b6252
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
f1b83a44c460dbf9d967fba2ad03945ceb6d0502b23d5abf14175c85244e4cf7
MD5 hash:
eee6d8dc695bd59ff6d3533d96584be4
SHA1 hash:
767a64c257fb5e00962c7ce3d5cd294e2499deec
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: | 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: | 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.
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