MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d
SHA3-384 hash: ff28df3328bd92e4400a38c8cdc5dd108f06bc12e87fc5b16302b2b04301d0ca3414a0df20628cad504643054263c1b9
SHA1 hash: 968d8ddc582a1ac9420653ee79c714865ba854a1
MD5 hash: 9f7bc2cea95bbc995e0e1103afc37795
humanhash: fish-bluebird-item-helium
File name:Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:860'160 bytes
First seen:2021-08-02 12:55:11 UTC
Last seen:2021-08-03 16:18:43 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 12288:6qXXqbVycMLOfltomJOVm+9WGFmYyNRbEt04NAG/Az+GnSG6nR8oKD5fm0UedE2k:ZX6RsVmlnusxO/g5DsFth5Og94C
Threatray 7'708 similar samples on MalwareBazaar
TLSH T1C705382439FA501AB173EFA68BE4B4EADA6FB7733B07645D109103864723A41DEC153E
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-02 12:56:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ee86877e-c27b-4a38-b629-a9391613fe97

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/175803/
Detection(s):
Sanesecurity.Rogue.0hr.20210802-0406.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing the hosts 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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/36c051d6-6f08-40da-aea2-434dd02bb12f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825512
Signature
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
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)
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: 457920 Sample: Invoice.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 3 other signatures 2->47 6 Invoice.exe 3 2->6         started        10 NXLun.exe 3 2->10         started        12 NXLun.exe 2->12         started        process3 file4 21 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 6->21 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 14 Invoice.exe 2 5 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 19 NXLun.exe 2 10->19         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.198.143, 49727, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 31 192.168.2.1 unknown unknown 14->31 23 C:\Users\user\AppData\Roaming\...23XLun.exe, PE32 14->23 dropped 25 C:\Users\user\...25XLun.exe:Zone.Identifier, ASCII 14->25 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 27 C:\Windows\System32\drivers\etc\hosts, ASCII 19->27 dropped file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 03:01:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwynu3x6laalcc3pi7myyskdmuw4u7xmdjay3s223aulyzt7hzwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02e6972eec66f1f2b9898fa662d59c1f47856f180dad385d766399ecaf763f5b
AgentTesla
57e91761b1c49197b18be20921f098967a23c91753bff78a2e7a52b2c1f44214
AgentTesla
7d6bf00d1b0386114a7021a91332b12c8116a9c2d50272ef2f02f7b92a5289c8
AgentTesla
8385f873ba724ecdd312e9d62bc3c05c877bf79d17785414237e1285ea9d370b
AgentTesla
9a597f3b7ec4bb4a3e54c966b95ca6cb543ca467fbc9397a66713187d77a7b97
AgentTesla
eec1fae9b2952e8b8c01f7b7dd39f9ca66f9f457f4852e3db68eff9543f63870
AgentTesla
eec75b1c545e3770daa6c181b8f0f2a8911df335d239282e894c68178aec7268
AgentTesla
fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0
AgentTesla
+ 7'698 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210802-v35mtf182a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/67955309-5698-46a3-93f8-25574655564c/
SH256 hash:
566dcb3d4d78905dd6ce0abd374b1aac0ac7c136d5aa1adad461c21befe84751
MD5 hash:
584757963a592b247055323a05f9015b
SHA1 hash:
d4d6450a9cb5f2e1d1a5227ae1fe2fbef3dfadac
Link:
https://www.unpac.me/results/67955309-5698-46a3-93f8-25574655564c/
SH256 hash:
ed3e842d6f3069e60168b1a1d11056bf2635d6d779386282384df01603e79a80
MD5 hash:
be90c53ffc2d1436bc68f2ca263749cf
SHA1 hash:
398b4a73f1fb755046bec759482c56cbc04fd685
Link:
https://www.unpac.me/results/67955309-5698-46a3-93f8-25574655564c/
SH256 hash:
55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d
MD5 hash:
9f7bc2cea95bbc995e0e1103afc37795
SHA1 hash:
968d8ddc582a1ac9420653ee79c714865ba854a1
Link:
https://www.unpac.me/results/67955309-5698-46a3-93f8-25574655564c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/175803/

Comments