MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41cb3f4a91d2b82931aa1acbe1b2d6a85df5c2f9d590ea205c80046fbb2aac2b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41cb3f4a91d2b82931aa1acbe1b2d6a85df5c2f9d590ea205c80046fbb2aac2b
SHA3-384 hash: bd5b49844cc3ee6603d56f846b78920bfe866532b742f4aa9eedd6ece227c8567fbf11f774674cef8967a7a5f595e54f
SHA1 hash: c28790b2195e59e72a9918e3ff48de4d3e5bade0
MD5 hash: 1467786f539f1cac3347f463ae0f553c
humanhash: crazy-island-burger-october
File name:Payment details.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:144'896 bytes
First seen:2020-08-02 11:00:05 UTC
Last seen:2020-08-02 11:49:05 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:PTxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAPhjXjnoFT5s1DvLfduE433:7xEtjPOtioVjDGUU1qfDlavx+W2QnAPY
TLSH B3E39C86B2D4C925DD8843324CE7C6EB3623FC555E36874B7284F71E6E73A84C9421AB
Reporter abuse_ch
Tags:AgentTesla xls


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx3.pub.mailpod4-cph3.one.com
Sending IP: 185.164.14.40
From: Accounts <iaccounts@badhotelscheveningen.nl>
Subject: Payment
Attachment: Payment details.xls

AgentTesla payload URL:
http://www.irregnancised.com/ikfftie/KJKNHFOPL.exe

AgentTesla FTP exfil server:
ftp.irregnancised.com:21

AgentTesla FTP exfil user name:
zorrob@irregnancised.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
MiscreantPunch.EvilMacro.AODBWSRBMS.UNOFFICIAL
Create hunting rule

MiscreantPunch.EvilMacro.DL.170224.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROAndTheTangerineDream.M1.20200630.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROAndTheTangerineDream.M2.20200630.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/407165
Signature
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many randomly named variables
Machine Learning detection for sample
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41cb3f4a91d2b82931aa1acbe1b2d6a85df5c2f9d590ea205c80046fbb2aac2b/
Threat name:
Script-Macro.Trojan.Detplock
Create hunting rule
Status:
Malicious
First seen:
2020-08-02 11:01:04 UTC
AV detection:
19 of 48 (39.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihft6sur2k4csmnkdlf6dmwwvbo7lqxz2wiouic4qacg7ozkvqvq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200802-4l8ml8k8jn/
Behaviour
Office macro that triggers on suspicious action
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Detplock
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/41cb3f4a91d2b82931aa1acbe1b2d6a85df5c2f9d590ea205c80046fbb2aac2b

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
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

Excel file xls 41cb3f4a91d2b82931aa1acbe1b2d6a85df5c2f9d590ea205c80046fbb2aac2b

(this sample)

AgentTesla

Executable exe 5c1ef7cfd4682402744f14978af8383c9153e52db9ecf4926596b898f1dd32da

  
URLhaus
https://urlhaus.abuse.ch/url/423492/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 5c1ef7cfd4682402744f14978af8383c9153e52db9ecf4926596b898f1dd32da
  
Dropping
MD5 412b1896e862ccd8296fe65196f007bf

Comments