MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb544a3b7a3f9bdf2b36abf7d2e8700ed832ce6857718124fed2e06605760219. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: fb544a3b7a3f9bdf2b36abf7d2e8700ed832ce6857718124fed2e06605760219
SHA3-384 hash: f23b43aef68347d963182c49c2fbd2ffc01c6725166c504308df81f4dacf433b211f45a488299246b006259984b3994c
SHA1 hash: f87ea4b85e249776feca26fa1f1bdd322ae758f8
MD5 hash: 66293df9536b793ac461d92d678ae830
humanhash: three-angel-south-seven
File name:INVOICE AWB 9782166...exe
Download: download sample
Signature AgentTesla
File size:556'544 bytes
First seen:2021-09-22 14:11:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:DQl/mtiK5oBWO7rnukND6PJi7ueGzki+ulxiHFX6YGe0HFQ:y+FoBbjpYARGzki+uviXPyy
Threatray 10'154 similar samples on MalwareBazaar
TLSH T1F0C41279D639E736CAAC97BE917100424FB0B28A7753FB1D6F9270CE7D06B404826879
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE AWB 9782166...exe
Verdict:
Suspicious activity
Analysis date:
2021-09-22 14:17:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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 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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 488082 Sample: INVOICE AWB  9782166...exe Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 8 other signatures 2->45 6 INVOICE AWB  9782166...exe 3 2->6         started        10 nwlrFL.exe 3 2->10         started        12 nwlrFL.exe 2 2->12         started        process3 file4 23 C:\Users\...\INVOICE AWB  9782166...exe.log, ASCII 6->23 dropped 47 Injects a PE file into a foreign processes 6->47 14 INVOICE AWB  9782166...exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->51 53 Machine Learning detection for dropped file 10->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->55 19 nwlrFL.exe 2 10->19         started        21 nwlrFL.exe 2 12->21         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.199.224, 49783, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\nwlrFL.exe, PE32 14->25 dropped 27 C:\Users\user\...\nwlrFL.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 2 other signatures 14->37 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-22 11:07:23 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
33b1b4144d7a3ee61f58604568205a169c7d9a8b38e9ca6713bdf1fd572d7658
MD5 hash:
1d186d752b05e2bc90314500f1633509
SHA1 hash:
b42cc59dddd1f5b547c9473730f3017b238f554b
SH256 hash:
d6e4b51a41cc63814dc6ad8dad49b6c20de42c5e5fd3ca00824e6d04dcdf7ab6
MD5 hash:
13b87125d3d2151e6e5ea9896a128f5d
SHA1 hash:
a69a6044bcc77d9cbf7561d7a9df759b35432c41
SH256 hash:
14ccde25d4a55fe083cc7dd222a9f538ca6a11da54bc404de07b8359eca6b6e0
MD5 hash:
71d7ee6c81aea0ab2d84534983fcf053
SHA1 hash:
0f19df6e742af95a41eda0c5fe645d4de43a1372
SH256 hash:
fb544a3b7a3f9bdf2b36abf7d2e8700ed832ce6857718124fed2e06605760219
MD5 hash:
66293df9536b793ac461d92d678ae830
SHA1 hash:
f87ea4b85e249776feca26fa1f1bdd322ae758f8
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

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