MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2. 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: b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2
SHA3-384 hash: 7483b07a515a5e0c49046f76e1d387597b62cc835ca6008bfd7b7ad7b2300043afbaf36d1d2ac2a2f1f7e3974c7d7bf7
SHA1 hash: a92ef9b7e85fbedfeb6162e33cb220e107e28b23
MD5 hash: c4d149d5814b83c80e28374eafea724b
humanhash: fix-purple-video-fourteen
File name:Bank Details-pdf.iso.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:452'096 bytes
First seen:2020-06-04 07:21:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:bQD2RxsVKXYwhDlFK1BVAFylRbroqJuKx4R:MKbM68lloYuK8
Threatray 10'649 similar samples on MalwareBazaar
TLSH D3A4D01176AC2EA3C63D24F58CC2760253F4865A279BF2D99EC361DE54CAFC44F21A87
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.bayercornpany.com
Sending IP: 45.95.169.50
From: Arthur Sanchez <tradincorp@juditief.com>
Subject: Re: Bank Details Changed
Attachment: Bank details-pdf.iso.iso (contains "Bank Details-pdf.iso.exe")

AgentTesla SMTP exfil server:
mail.logserver.ga:25

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 07:37:32 UTC
AV detection:
17 of 31 (54.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdhusvk7ox47a267w5qvbvft4gqbvay2p2whwzcn3yeeyijkipja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
054523ea5b9f2ab8cc933f91ab41ca96f7fe8a9b7c7dc3e74fc02e068940293d
AgentTesla
064503ab3a3c2643c6a841186e708c797ece10dcaf99f95dd8166ac7d6a01887
AgentTesla
06b9b90d74acfd8c35fbaf0222ec3ff32b77865dac31d44dfead2885cb330500
AgentTesla
0e9d79afcb3b139d4bfeba5311c3a9efb5b66d95342b5c12bafff57582c89135
AgentTesla
2139c12a20688b17d559eab390830bf9a941bce614049740156920cb071e75e9
AgentTesla
2488817fd7589194d1a7781f8975be361c8153177af6f79c9c5b06960810f05c
AgentTesla
4fba937f1e8ae7eab73de2233f36e813fc2e4e889cbf5103f72ed642ba2e76c3
AgentTesla
6367b620bc53237985eb4bb7f0877c6ac590061a18d365e94a37f08e5a979a3a
AgentTesla
6af32b6b849f1186317e65f84c1d59cc03ce878ca8e3706c5d7afae2389b3c64
AgentTesla
90a3f9c16212982044dbc219b787e1ac251f48dd011a202a8c125dc049c3036a
AgentTesla
+ 10'639 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-p5cb5a4156/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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.

89f14848baa2039333afde3620bf91e8

AgentTesla

Executable exe b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2

(this sample)

  
Dropped by
MD5 89f14848baa2039333afde3620bf91e8
  
Delivery method
Distributed via e-mail attachment

Comments