MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8
SHA3-384 hash: d49bd2e350337f438c3adbbc4bbcdaf0454f46246b7e732e27c6d90eacbfec2bea167331057dccbaf90838d7c4de897a
SHA1 hash: b5c468f2da9154e49af3ffb6079b0f2040e33ae2
MD5 hash: 5d3cbe019a162f85909571b258ea7c0f
humanhash: nitrogen-spring-violet-ten
File name:Re.invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:434'176 bytes
First seen:2021-01-11 08:13:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:se3vE9vodAh2XCAH+RFS8zCeI5/DM5Jj0VC:se/waXCAHyFS8zC39DM5h0V
Threatray 2'111 similar samples on MalwareBazaar
TLSH 4D94F16237458261D9E12B315393D9BC0B7B7C0E496B420EA5F2F3EE1AB31CBC599712
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.58.152
From: r.abouldahab@emis-int.com
Subject: Re: Quotation
Attachment: Re.invoice.z (contains "Re.invoice.exe")

AgentTesla SMTP exfil server:
srvc13.turhost.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Re.invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 08:16:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88f2fc13-1ca4-4693-8daf-9b0c117eb85c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111220/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader36.34191.23977.3916.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/577682
Signature
.NET source code contains very large array initializations
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337895 Sample: Re.invoice.exe Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 11 other signatures 2->52 7 Re.invoice.exe 3 2->7         started        11 I$s#$lT3ssl.exe 3 2->11         started        process3 file4 28 C:\Users\user\AppData\...\Re.invoice.exe.log, ASCII 7->28 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->56 13 powershell.exe 15 7->13         started        17 Re.invoice.exe 15 2 7->17         started        58 Injects a PE file into a foreign processes 11->58 20 I$s#$lT3ssl.exe 14 2 11->20         started        22 powershell.exe 19 11->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\I$s#$lT3ssl.exe, PE32 13->30 dropped 32 C:\Users\...\I$s#$lT3ssl.exe:Zone.Identifier, ASCII 13->32 dropped 60 Drops PE files to the startup folder 13->60 62 Powershell drops PE file 13->62 24 conhost.exe 13->24         started        34 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.66.103, 443, 49738 AMAZON-AESUS United States 17->34 36 srvc13.turhost.com 37.230.107.14, 49739, 49751, 587 AEROTEK-ASTR Turkey 17->36 44 2 other IPs or domains 17->44 38 23.21.140.41, 443, 49740 AMAZON-AESUS United States 20->38 40 nagano-19599.herokussl.com 20->40 42 api.ipify.org 20->42 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->64 66 Tries to steal Mail credentials (via file access) 20->66 68 Tries to harvest and steal ftp login credentials 20->68 70 Tries to harvest and steal browser information (history, passwords, etc) 20->70 26 conhost.exe 22->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-10 07:14:50 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucfc5j7voqszu2gdzr6q74wb6rxjuv7jqawpl7cbqa3yovsekhua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4fcb20f32c0c827e9f3977a2874dd0acc7163dedcddf56004e03a38a53d720f9
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8cdbf878dabe17a11247272216b49c6947bc3c7416abdda1fdc85648a1951292
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da9b1555b574d5e9b340f3993564550e0659f08b24856184a9eb543f4700e7e8
AgentTesla
+ 2'101 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210111-vrjgwbcac2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f0f19dfa9641eab9b8f539a3f03e0b58a4b649a859a4beb535c056523c35a405
MD5 hash:
b3ab445da5ec043af70c638605cd1f35
SHA1 hash:
96bc5fb83e2c1e9815cf7de352e8f2828bc17651
Link:
https://www.unpac.me/results/b6c39b95-e054-4206-bf78-41368e8fc2dd/
SH256 hash:
78d97faaa009107325f8f4d851b4d1ba8bc9bb0f3f5b6494386cc5492bd0596b
MD5 hash:
937afb74e1723a035ab65c472327a34e
SHA1 hash:
ddaf229e65d93d222499774f3516bcd85424ad2f
Link:
https://www.unpac.me/results/b6c39b95-e054-4206-bf78-41368e8fc2dd/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/b6c39b95-e054-4206-bf78-41368e8fc2dd/
SH256 hash:
a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8
MD5 hash:
5d3cbe019a162f85909571b258ea7c0f
SHA1 hash:
b5c468f2da9154e49af3ffb6079b0f2040e33ae2
Link:
https://www.unpac.me/results/b6c39b95-e054-4206-bf78-41368e8fc2dd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip baea804fbfc84e13d6eee5f86ded07081ee5c59f0dfa2e94aa55b286e5e78f89

AgentTesla

Executable exe a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8

(this sample)

  
Dropped by
MD5 93199205ff2b9437e3f0cb53ec404ba9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111220/
  
Dropped by
SHA256 baea804fbfc84e13d6eee5f86ded07081ee5c59f0dfa2e94aa55b286e5e78f89

Comments