MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52f5a6edefd196a3396c1bb0c499a2d02868361aca19824bdde34e4003357f0c. 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: 52f5a6edefd196a3396c1bb0c499a2d02868361aca19824bdde34e4003357f0c
SHA3-384 hash: 325678acca9ebd18a16ab51d3921ae8071d20ea125d0f423b20f3f1d6f6d84c982ed5d839266e6c609d2063cdcb01dd9
SHA1 hash: c39734fe964bf86b5c950763e77340f38c765400
MD5 hash: d56a9ca65f669ddb9ad3b53cccd6feb9
humanhash: uniform-speaker-lamp-lake
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:742'912 bytes
First seen:2020-07-06 07:12:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:eW087hTEtqxaJghr81WBs96D+hF/Dy+1N:N0iuTgroWEhF/DyoN
Threatray 10'887 similar samples on MalwareBazaar
TLSH 0FF4393D7B95AC22C53C497580B94990A3B6E64B3B12C70F76C6632C9F126EF37062D9
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail0.511.simonleehung.casa
Sending IP: 164.90.177.171
From: Ain (Mrs) <info@511.simonleehung.casa>
Subject: Our Purchase Order No. 81130 (108354)
Attachment: Order No. 81130 108354.pdf_________.gz (contains "gunzipped")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21069/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52f5a6edefd196a3396c1bb0c499a2d02868361aca19824bdde34e4003357f0c/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-05 22:02:33 UTC
AV detection:
22 of 31 (70.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kl22n3pp2glkgolmdoymjgnc2augqnq2zimyes654nheaazvp4ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1868421d82c1476c4106fee2902fde4c749d7e8bcd9b34fdc09d86733d9198de
AgentTesla
2e0aee7e26c5c4a21386d93a6a6c7aaac2d8b6581f9f67103ae250ccd1e6570e
AgentTesla
38459e20f8e039ff8cfe07d30b89f1451c4fe79bb3644b0419ff0ccafa25f652
AgentTesla
4163f850032d58f8df3a47be1173ff7ff5d89c989512bd08979e724261994345
AgentTesla
54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83
AgentTesla
6e3f54c9c5200e9779e06749d3194f82a1a6c0d2eaa2e02a961fd4dee1cf7077
AgentTesla
8a8d6c0a19756e1f4461eecf65b83d5dcf952e7fc082aa088d081245b2f925f2
AgentTesla
ac20f8f16efd13ea704488eb43b1a761f9e26bcdc70ac70d57cb15cbdab200bb
AgentTesla
eaec22c2d23bb4d85d21b80ce1cc4b3874964631f615d1975cdab03467078f5b
AgentTesla
f32d5402e660b40086a8e027c61aa3210cc272b3b443365f7f60b802cc2b2311
AgentTesla
+ 10'877 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200706-wkwtcg86qj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Executes dropped EXE
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

gz 92f4fe713d40b25a5b09e77c58d78f68d1ed400c2ab4fe8ce1486a449a9b926a

AgentTesla

Executable exe 52f5a6edefd196a3396c1bb0c499a2d02868361aca19824bdde34e4003357f0c

(this sample)

  
Dropped by
MD5 3b82545723171628ca2e8570fbab2cf3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 92f4fe713d40b25a5b09e77c58d78f68d1ed400c2ab4fe8ce1486a449a9b926a
Cape
Cape
https://www.capesandbox.com/analysis/21069/

Comments