MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b85052d41b6c2615c0a857de8b3bb5f8cd18b19e5a1361ab506cc863906987a1. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b85052d41b6c2615c0a857de8b3bb5f8cd18b19e5a1361ab506cc863906987a1
SHA3-384 hash: 13da6ea59a76f9891296c1bc505b3c66069a27450dba5412f2e5456482b1adbe05a3d74618071b758bf388f0106ec49b
SHA1 hash: 11e78e22c97bb341924959caf7b77e7b5d70d565
MD5 hash: b86aa3faa0acd0321d52afc6d98b7951
humanhash: colorado-burger-lima-fix
File name:4567654567865_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:840'704 bytes
First seen:2020-05-08 08:16:41 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 24576:Y+QF5scZDt5mFEI0g9b/UWkqjgnV+g5FJaZtMA:NQLl5mFErgDk4CVj0MA
Threatray 10'781 similar samples on MalwareBazaar
TLSH 95052304AB482C56C77C233D52FF378A05369BDEA1857A9F57F8868352A2BE11508F4F
Reporter abuse_ch
Tags:AgentTesla BBVA ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fnadj-34.srv.cat
Sending IP: 185.66.40.36
From: BBVA-Confirming Cesión de Créditos <confirming.bbva@bbva.com>
Subject: Cesión de Créditos
Attachment: 4567654567865_pdf.GZ (contains "4567654567865_pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Nanocore.23.5541.12036.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-08 08:36:14 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbiffva3nqtblqfik7piwo5v7dgrrmm6lijwdk2qnteghedjq6qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21339eb283369e13ec4129e6ba7cedfd84b67a40e9b297f367eadbce06edf0a2
AgentTesla
3495ebe6b428bddfa71646ed4e09f1f707d7b8a512549841c96d88bc03f328db
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5565cb4e91651be67d5eb323cee69c83d8c4a8b660b2f2f85480d68783d83014
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8180021dc09192fa9961d7f2fc35bd7224169746a9ca0e5fbab8569082173152
AgentTesla
8883f73f1e34a42362cd116db607dd2cbf33616249a68783ec6a0455b72d8bcb
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982d2699709d7a024a542a4f771a544cf987ce8d8f15cfa3dcefca157b251e3e
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d324df5df4dfef3b85c0b393d7fde8ab0dc7896cd73d417977759753bc18d756
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e8ed39c9f50127f70493dedaadbd4e786c31ca7cb61f86bfc74a0d85b6a55101
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fd359b14ecb8e1db436ef3651cc6d08059fde3cd78a6037505f7334226424553
AgentTesla
fed94b676ca09d9a2939fe814d21ba5f3569d459b18c28612d367d22c79158f6
AgentTesla
+ 10'771 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-p7qe6b3fyj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 0d25dd21feb3b6763823bf6023c74252f62cd87d3a870ab93b3f4cc72ff919e3

AgentTesla

Executable exe b85052d41b6c2615c0a857de8b3bb5f8cd18b19e5a1361ab506cc863906987a1

(this sample)

  
Dropped by
MD5 5ecc9568b80b2a07c4ff2562b7fca480
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0d25dd21feb3b6763823bf6023c74252f62cd87d3a870ab93b3f4cc72ff919e3

Comments