MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4fa3604afcd80c55941153dbd9d16f4449871fef52050b6d8d12564182f4102. 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: f4fa3604afcd80c55941153dbd9d16f4449871fef52050b6d8d12564182f4102
SHA3-384 hash: 4d33ffad24cc42bcf0b74a728240791bb35e7e000b492a64764b1f6db7abea53d7a508a248b57372a80aeb5e13c3ac63
SHA1 hash: 3fea1fef889fef6e48ba0b2081a191504e81068e
MD5 hash: ae8585cccad186b8de39765f926bec77
humanhash: bulldog-west-hydrogen-eighteen
File name:INVOICE.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:726'528 bytes
First seen:2020-05-20 11:38:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd14599cca3bfe5eac2aca6e33e2157b (7 x AgentTesla, 3 x Loki, 1 x NanoCore)
ssdeep 12288:QBEm2TGS371Df9rjlPd+2ZrC0JA+FO/nrTQHJBv4+CGlqGYu4N1Okg8WC:QynTR7FVrD+OXSTQHb4+CGWJ1Okp
Threatray 11'823 similar samples on MalwareBazaar
TLSH 69F4C032E6E14837D1735A7D9C1B52BC983ABE513938594B6BEC3C4C6F39395342A283
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: yandex.ru
Sending IP: 95.211.208.58
From: Export Department<ac.general@yandex.ru>
Subject: 回复: FWD：paid invoice
Attachment: INVOICE.PDF.z (contains "INVOICE.PDF.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-20 09:34:41 UTC
File Type:
PE (Exe)
Extracted files:
274
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6t5dmbfpzwamkwkbcu633hiw6rcjq4p66uqfbnwy2eswigbpieba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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72085a6683fbd36131021d63dff1637225c452606c901a7ebe58bdd7795af521
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a45f5e600fa725b5e88d25aa9bed151147cc53a1be11ae02e9c1ea8dbfc13118
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e4e53abfcd6b06b7089669ff7aebaaefd84a1080b3c3a398a5836a41fde44513
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f62d524ba946f9ab0a50dd795334be8a3391af2dcbb94f0164742b40f731a77c
AgentTesla
+ 11'813 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201109-kq9dsxzcd2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
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

z 7eb9e521ff7edd5ef56988d92d1f5623383455073ca7227a48195cb5f90a184a

AgentTesla

Executable exe f4fa3604afcd80c55941153dbd9d16f4449871fef52050b6d8d12564182f4102

(this sample)

  
Dropped by
MD5 cb1cac9aaa3920aeb29992cfe40c142f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7eb9e521ff7edd5ef56988d92d1f5623383455073ca7227a48195cb5f90a184a

Comments