MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd857b9c713b00e8359f0c58fdb42124b2b3fccbfd5de1ef95156cdee038170. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efd857b9c713b00e8359f0c58fdb42124b2b3fccbfd5de1ef95156cdee038170
SHA3-384 hash: ec75acc9f5637d782eba8520b2f6eacdd35bbc1f277790d1cb1a871a1005dddcf1b3a8880f3704aaf20f8bdfd8d983db
SHA1 hash: 7ad3d51edbbd0eab030c6b1e62c3f590f98a499b
MD5 hash: 2a7d02bf3bc8fb2f8ffddc6e580d3896
humanhash: princess-venus-echo-dakota
File name:scan-copy.xl.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:435'712 bytes
First seen:2020-08-05 08:35:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c458ff2d515beb8f44158cd3636a7400 (19 x AgentTesla, 6 x NetWire, 3 x HawkEye)
ssdeep 6144:Uc4IfM6ipqm69eNysKtkhumP1HvJbxKI6RCEKNe5ryvknYEUnCrgP4oyXyP6:QIE686w9hjQh82ycnYrCrgQoeI6
Threatray 11'647 similar samples on MalwareBazaar
TLSH 729423B5A349D1B2E5CD753FC6DA78F2632BB633041961018E09C9BF67360CAE152E63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: paymontly.servers.prgn.misp.co.uk
Sending IP: 185.20.50.76
From: Anatco.com <sales2@anatco.com>
Subject: Order 28839 -
Attachment: scan-copy.xl.gz (contains "scan-copy.xl.exe")

AgentTesla SMTP exfil server:
mail.flood-protection.org:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39225/
Detection(s):
PUA.Win.Packer.Upx-49
Create hunting rule

PUA.Win.Packer.UpxProtector-1
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-6
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

SecuriteInfo.com.Win32.Herz.B.23927.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Launching the process to change network settings
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410605
Signature
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efd857b9c713b00e8359f0c58fdb42124b2b3fccbfd5de1ef95156cdee038170/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 03:13:01 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57mfpoohcoya5a2z6dcy7w2ccjfswp6mx7k54hxzkflm33qdqfya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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faa14b162487c010a973901cb7a91e48c512b0193fd449be475f94c32b0ff212
AgentTesla
+ 11'637 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/200805-xnc2bdkw1x/
Behaviour
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efd857b9c713b00e8359f0c58fdb42124b2b3fccbfd5de1ef95156cdee038170

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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 38939ad9466b3b76de7afd74eb21d30668ee4fc324cb6130b36aba7754352df0

AgentTesla

Executable exe efd857b9c713b00e8359f0c58fdb42124b2b3fccbfd5de1ef95156cdee038170

(this sample)

  
Dropped by
MD5 eff8ada316a6707f767abba134728031
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39225/
  
Dropped by
SHA256 38939ad9466b3b76de7afd74eb21d30668ee4fc324cb6130b36aba7754352df0

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