MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3
SHA3-384 hash: e7bb2d773fc9974588bef97498a7ee43302281a3db29b512a296433437abcfa06a15ad2ea8ac94488b5a1d95b9bdd793
SHA1 hash: 9d1a98abed89859a96fdfa0d1e40ad4fc63601a3
MD5 hash: 70c16d0855088ef43d81656b47332bba
humanhash: beryllium-nevada-princess-ten
File name:overdue account letter.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:810'496 bytes
First seen:2020-07-08 06:05:45 UTC
Last seen:2020-07-08 06:55:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KAPuU+xBwBvMvahMRVXXCslhtWUslhtWi6:PuU+4BvQah2VXvhtW5htW3
Threatray 10'809 similar samples on MalwareBazaar
TLSH 1F05BE7B7A26BF8FCA3E1EF4902A1100DEF918937255D7E96DC650F648D0F848F92162
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22803/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 06:07:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uov5j2houpcrikouxbsuwoswkxtho4ryqbebaysyg5kqucuvszq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0698cbff335f16544c0a97a71df4f0e52ee4dbddf3cadad2ee0ac52103ea8ed2
AgentTesla
2211631d24ad36c7dd32602c54da52d1fc5030ff67dc1101b9d14d29e8951e19
AgentTesla
441efa986321eb0bdac9d133478f98a11dea6ff3a85af1c9c145a6049cb33cb6
AgentTesla
5c2ad1b9bc4c16fce888a0cf989f0c6885de81d0753d8863c7cf1de604c4c8e6
AgentTesla
61f91b1ac578efd7d0eda15f45a7298fca86e41ab5f2c46e963ef950ac0df09a
AgentTesla
8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225
AgentTesla
8759dde700d0ea47fd29cad02f5d067431b7af49edbb7b409e5c25a22485ed3c
AgentTesla
895caf8a32b031db037f0b3be265ebc5a909b4f1f1880a252795458a87bf1214
AgentTesla
d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3
AgentTesla
d32e5e98f0b4d284046a50db5237b4326a54943e185b57b0e6e76874479724fe
AgentTesla
+ 10'799 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200708-jltyw81v1a/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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_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.

Malspam

AgentTesla

rar 7b84186eb0b00e01325ab0bb537b966d79fa6a4cbda160a08208200fc068b65b

AgentTesla

Executable exe f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3

(this sample)

  
Dropped by
MD5 22eef78c2665667cc3022dc1fddc2e87
  
Dropped by
SHA256 7b84186eb0b00e01325ab0bb537b966d79fa6a4cbda160a08208200fc068b65b
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22803/

Comments