MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b97d14a3d57a73ad88741d5ee82611000eb3b64d7c23f2bc9d63c00d15a5fbd. 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: 4b97d14a3d57a73ad88741d5ee82611000eb3b64d7c23f2bc9d63c00d15a5fbd
SHA3-384 hash: b49d0f553690597489889a06bf73401af4c450a9e019c0411145a05791dad0bd87cfe0575f00e59e5c83ef7f332ce0f2
SHA1 hash: 0867e48e508dfeaef0271fb4ef5e2aa68d368876
MD5 hash: 73f7d463b37c8dc988a62cb440d69bc7
humanhash: pizza-summer-quebec-florida
File name:MV Cerinthuspdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:514'048 bytes
First seen:2020-06-02 10:17:19 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:NYlJ51cu4LzW0hrX6xQ8XWSQsPHNw3wCg9Hk7Z21030G6:NYz5Wt/WqdKJQ8WACg
Threatray 10'602 similar samples on MalwareBazaar
TLSH 1BB4F09D7654B2EFC863C432CEA82C64EA2174BB530B861394A7759EDA1C9C7CF144F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: seatrans.co.in
Sending IP: 103.253.125.205
From: Guo Qijun (Ellison) <chartering1@reliance-seaborn.com>
Subject: SHIP CHANDLER RENZO NARBONA - M/V Cerinthus / Provision Order And CTMDelivery
Attachment: MV Cerinthus.pdf.arj (contains "MV Cerinthuspdf.exe")

AgentTesla SMTP exfil server:
secure231.servconfig.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 10:42:04 UTC
AV detection:
32 of 48 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jol5csr5k6ttvwehihk65atbcaaowo3e27bd6k6j2y6abuk2l66q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0444729289d8a3c480eb3f29e936f29d048f69c71a691b20489e50890fa22983
AgentTesla
143da9c82587966091a89e47a13083cbfa757699296e37b333ba607c7052dc8f
AgentTesla
1b476c8bd4604f9eb16f852bd2a7770520789b8740195c32b30f68dcfc9e91e9
AgentTesla
24e82b6d52501a968a09b294dff28bca82368e5974bdeca97cef781a111ff3c8
AgentTesla
288f7b2c4d5b4c951a079d7fe188d6fbfb6cedf4db4724f24a418078732a4c65
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356c699175a1c80f88272c54c40bcee13db731bdd78674ec0687fa164db51943
AgentTesla
4ea8fc31e7c4c74b0617f0786c0becbc39fadb91af884fe6971f4726c866225e
AgentTesla
8d0e6eed295f741dacf9a0a752984c696633536c47e21a2c2a1c7b95adbc35de
AgentTesla
8f9586711a18e094be202b9e626a98192e7d100f65ef702c0cc466104028e91d
AgentTesla
b83b4d8439f9941100739cfcc933f0c40ffd531d165f2fc726784d9611fb17f6
AgentTesla
+ 10'592 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-rswf99nfwn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip b69925c5cfef11f163b073610df3a16afbe2b4e5993414a5d4a807ae8135733a

AgentTesla

Executable exe 4b97d14a3d57a73ad88741d5ee82611000eb3b64d7c23f2bc9d63c00d15a5fbd

(this sample)

  
Dropped by
MD5 8ba6aa834aee991c15f14c659b5bd8be
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b69925c5cfef11f163b073610df3a16afbe2b4e5993414a5d4a807ae8135733a

Comments