MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0
SHA3-384 hash: 498f2db5739fa27a8eb6a1be16bf68c75024e8d671b5af125716670bf97d1fcd6a5183b7b7d5d659f89dd16e7fa18c65
SHA1 hash: 6cd2481ce9fcfc58c6fc5405a437f7f639034085
MD5 hash: 6426bbfce0fb5578344e80ea510bafb2
humanhash: lion-texas-blossom-single
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:543'232 bytes
First seen:2021-12-01 05:20:48 UTC
Last seen:2021-12-02 14:25:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:CHllVXpSAPn0sHkT84pjmEGfzVaQ6lCvnI:CHXRphDkThmERlCg
Threatray 13'144 similar samples on MalwareBazaar
TLSH T16CC48DAA34C05B44F636EF7CEE622751C676A4DEF046D2DFDC82C946D6922C28510FE2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2021-12-01 05:21:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/efb49eac-04f8-448f-acac-d3028d891a95

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/210161/
Detection(s):
SecuriteInfo.com.Artemis6426BBFCE0FB.9554.23736.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a7063e1ba903dd8fc891cb/reports/d6c76835-cadc-4999-8bf1-350df0984ea2/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0da2a4e9-352b-4957-9c60-5ca9797ab262
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899161
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 531638 Sample: INVOICE.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 11 other signatures 2->62 7 INVOICE.exe 6 2->7         started        11 tKZVPq.exe 4 2->11         started        13 tKZVPq.exe 3 2->13         started        process3 file4 38 C:\Users\user\AppData\...\gjEQxLTmkFgVo.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpCDC1.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 7->42 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 70 Injects a PE file into a foreign processes 7->70 15 INVOICE.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 BackgroundTransferHost.exe 7->22         started        72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 24 schtasks.exe 1 11->24         started        26 tKZVPq.exe 2 11->26         started        signatures5 process6 dnsIp7 44 mail.focuzpartsmart.com 162.214.80.6, 49825, 587 UNIFIEDLAYER-AS-1US United States 15->44 46 192.168.2.1 unknown unknown 15->46 32 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 36 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file / registry access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 54 3 other signatures 15->54 28 conhost.exe 20->28         started        30 conhost.exe 24->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-01 03:52:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4xlw3jhpfzbsie3vd67xprsir7djem6bafpbih2geixsinnlgya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05d2cc58039f7d736dcaea7fc43415966758d7befeabf4be9d15ec4f0bb4431e
AgentTesla
20d3cfdb31efea5342fbc7bec9f0e3c5342ea0d370e9fe33a4fd3506f2129cdd
AgentTesla
a92eaba220b883104d7d882adc74817f48aa300c0bf581d02224f344dc1f5733
AgentTesla
ab6789e19108843f78d420655f3ae2f22e8b95bc383c72784c99b98098ef0522
AgentTesla
+ 13'134 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211201-f11g2sdbg8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2f682f567aa13de3f5b146e3489abebd0daf99dd5b5e9a2fef616daf8053ae3a
MD5 hash:
bec230fb6c3ee71ee97b3eaba453c87a
SHA1 hash:
e380e4d2a53d2d2894899b13911a0d461de32c9a
Link:
https://www.unpac.me/results/1066633f-0989-462c-8d6c-41f69bee7bb5/
SH256 hash:
8e548ed1734b68487bab8b8ed9bba1e038d212064339f776845da0df03f57a21
MD5 hash:
2d6245f9f6d278d1a3004ed205cd09f7
SHA1 hash:
c70f58faa72eac6ca8aaf4041c0dc80a4fbc2250
Link:
https://www.unpac.me/results/1066633f-0989-462c-8d6c-41f69bee7bb5/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/1066633f-0989-462c-8d6c-41f69bee7bb5/
SH256 hash:
b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0
MD5 hash:
6426bbfce0fb5578344e80ea510bafb2
SHA1 hash:
6cd2481ce9fcfc58c6fc5405a437f7f639034085
Link:
https://www.unpac.me/results/1066633f-0989-462c-8d6c-41f69bee7bb5/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b72ebb6d2779/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210161/

Comments