MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 726cabbe1545eda6bcd37954ee94e1ab3411cd59915e78a6297019868d8d8268. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 726cabbe1545eda6bcd37954ee94e1ab3411cd59915e78a6297019868d8d8268
SHA3-384 hash: 5b83c546b65ea12ab5729483248ba96357c5f800903b7ccc49a66ef99d1a95983263efe9a8c4e8c94cc62836af381860
SHA1 hash: 646366b6d06b51b17575883e9e7a1eb76106daf5
MD5 hash: 275be9366f62e15ef7dc2d6169b1d4ba
humanhash: bacon-king-nuts-connecticut
File name:Authorization Letter.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:511'176 bytes
First seen:2020-07-20 11:54:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 12288:dan6jiFYPZA+43A2rhEDgnP62RDn/J4T3qUYZwmyiBM:vjiIZA+4NW8PFd4T33Uu
Threatray 641 similar samples on MalwareBazaar
TLSH FAB423129240D1A3DA36077218B36E1576DFBF6A7AB1E7952A48367C37B34C2052FD0B
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29052/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

PUA.Win.Adware.Browserio-6725861-0
Create hunting rule

SecuriteInfo.com.Artemis162931E90DCF.4593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Launching a process
Creating a window
Transferring files using the Background Intelligent Transfer Service (BITS)
Enabling the 'hidden' option for recently created files
Moving a file to the %AppData% subdirectory
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391517
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/726cabbe1545eda6bcd37954ee94e1ab3411cd59915e78a6297019868d8d8268/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 11:54:19 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ojwkxpqvixw2npgtpfko5fhbvm2bdtkzsfphrjrjoamyndmnqjua._file
Verdict:
malicious
Similar samples:
0e4c5cf2d1d60e4931c7af6021073006379935d688f5f55ad21fb29844d75a5a
AgentTesla
0f24e222f76b19a0f1995c70e3711ab2b1c7e3f41c5e915796e767fce361e2e3
AgentTesla
3c81bde8d413cadc04efa32c2754918d4a1a9c43a60181e7907cca8d31107826
AgentTesla
581ccb74a37077703bcc314447ce7dfeec42832bad81225f1be6c214ca9bf51d
AgentTesla
5c63c2887891a56e0465251c8112ce7a07fc70e782dbc2e80f45f670294d4285
AgentTesla
5e23eed104a5bd67c8ae3abe1f3554abac8500bf9f916992df36246b06f14419
AgentTesla
7ef7ff0660d406b237fd3253738d60a294c0273ca1436cf9ba87d5b2ea8d62d8
AgentTesla
9f06ce1718cfa4e73366f82c9488b7a4aad4ddede7d7b3b51d44667607a3961c
AgentTesla
c2f42cfcfafad77546d57cbfde6a6f4c1c75d684a81304d1ec901285b1873bd3
AgentTesla
cfd29866a9e618985b15c779e0ac0ad8e09a9e997774c0d2fe18f00f8110a24a
AgentTesla
+ 631 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200720-acysxnqfpe/
Behaviour
NSIS installer
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/726cabbe1545eda6bcd37954ee94e1ab3411cd59915e78a6297019868d8d8268

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/29052/

Comments