MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537b1403f9e905dba7a2ae4a521b8655d09fff0208e19ac58ff6b2abaec2ea28. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 537b1403f9e905dba7a2ae4a521b8655d09fff0208e19ac58ff6b2abaec2ea28
SHA3-384 hash: 5a063b2857c988c80ae2367bfef06b2ab71510d4aeba9d2d75c0fa5d8b9b3aa52c48b720286b5cd865d8efd18f7fb5bb
SHA1 hash: eaa8fe32de65aba335cd98dd36b9cc766e2cd35b
MD5 hash: d656e489710c8e9930af8ce7ab847a57
humanhash: washington-lithium-alpha-solar
File name:SHIPPING DOCUMENTS.PDF(248KB)..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:787'968 bytes
First seen:2020-06-25 13:10:37 UTC
Last seen:2020-06-25 13:51:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a80cd992960ca4e7ba926088f846b1f3 (7 x AgentTesla, 4 x Loki, 2 x Formbook)
ssdeep 12288:vEQTcW9T920/5/6oPR0ht9hl9a05wJVfQLey9jCjzp3CL3iAwE/:cEcQ207R0R3FurYLeWjSzp37S
Threatray 11'484 similar samples on MalwareBazaar
TLSH E2F4AE26F2E14433D32716789D2F73789C3ABE107E2BA9467BEC4C4C9E3A6453465293
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.salvus.co.id
Sending IP: 103.247.11.44
From: DHL | Express Shipping <DHLEXPRESS.BILLINGID@dhl.com>
Subject: Urgent: Shipping Documents (FINAL NOTICE)
Attachment: SHIPPING DOCUMENTS.PDF247KB.IMG (contains "SHIPPING DOCUMENTS.PDF(248KB)..exe")

AgentTesla SMTP exfil server:
mail.newalmawared.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/14307/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/537b1403f9e905dba7a2ae4a521b8655d09fff0208e19ac58ff6b2abaec2ea28/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 13:53:51 UTC
AV detection:
43 of 48 (89.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kn5ria7z5ec5xj5cvzffeg4gkxij77ycbdqzvrmp62zkxlwc5iua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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AgentTesla
+ 11'474 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200625-sb42nddkea/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
UPX packed file
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

img ade4829af20fc019495244ff1e877e4cae630938dc706713b403c7a4f7714c35

AgentTesla

Executable exe 537b1403f9e905dba7a2ae4a521b8655d09fff0208e19ac58ff6b2abaec2ea28

(this sample)

  
Dropped by
MD5 cddd642a825a7e909da747e8c443c4f7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14307/
  
Dropped by
SHA256 ade4829af20fc019495244ff1e877e4cae630938dc706713b403c7a4f7714c35

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