MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87fdfcffeee16c0392a4ef6eac8d0fbf1124dff9e64bc6cf8f7cf36af40e6d93. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: 87fdfcffeee16c0392a4ef6eac8d0fbf1124dff9e64bc6cf8f7cf36af40e6d93
SHA3-384 hash: e1d1bb8e42adc0d9927e7a73004d3eeebbfa2f6075ae74d45dea6bb4ff63c87ceaf6023e9781a72270629bd799f679ca
SHA1 hash: 93aef3423823406b07eb018dc90b0cdc75154317
MD5 hash: 5bc9789cce7b56a6163fad765618a6f4
humanhash: bluebird-chicken-quiet-jupiter
File name:hYy7YaQTubQ7az8.exe
Download: download sample
Signature AgentTesla
File size:627'200 bytes
First seen:2023-11-03 08:00:23 UTC
Last seen:2023-11-03 09:19:56 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 12288:2IkwCdhitn+f/7cjRO4PG6fglDqJQMSHFIo/dl5fXx/rDfViwXFxc97L6QX3:2IkOtnwzcjo4+60yUHFv/VPxT7V33c9N
Threatray 1'106 similar samples on MalwareBazaar
TLSH T1A4D423A2627A6F39DC7AD7F27055DB001F7E90AB558AFBB90CC801CF8C57B024658A47
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b2a86de4d496d469 (11 x Formbook, 6 x AgentTesla, 1 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
hYy7YaQTubQ7az8.exe
Verdict:
Malicious activity
Analysis date:
2023-11-03 08:12:56 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336568 Sample: hYy7YaQTubQ7az8.exe Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 27 webmail.medpoint-design.com 2->27 29 medpoint-design.com 2->29 31 2 other IPs or domains 2->31 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 7 hYy7YaQTubQ7az8.exe 3 2->7         started        10 plQRn123caaii.exe 3 2->10         started        12 plQRn123caaii.exe 2 2->12         started        signatures3 process4 signatures5 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 14 hYy7YaQTubQ7az8.exe 16 5 7->14         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 19 plQRn123caaii.exe 14 2 10->19         started        21 plQRn123caaii.exe 2 12->21         started        process6 dnsIp7 33 medpoint-design.com 192.185.5.11, 49737, 49738, 49741 UNIFIEDLAYER-AS-1US United States 14->33 35 api4.ipify.org 173.231.16.77, 443, 49736, 49739 WEBNXUS United States 14->35 23 C:\Users\user\AppData\...\plQRn123caaii.exe, PE32 14->23 dropped 25 C:\...\plQRn123caaii.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Status:
Malicious
First seen:
2023-11-03 05:34:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 37 (51.35%)
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
Looks up external IP address via web service
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:
7d19cceaa100755b4f057ad85153a9eec17f6557fb4d1af347e405ffdef3a84f
MD5 hash:
f380f3fa3c85a409ac23210ff4a0adba
SHA1 hash:
dbea2c426e4251b8842f704e1b7c6601b159827b
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
SH256 hash:
c594e993d3b147889c9babd8efe5b57a0c36b874830e53ead0f9e42543ab507c
MD5 hash:
17a13e1d722f54d358f1cae9db309bca
SHA1 hash:
115947a8ac5a45917076eb9b152ad47c21e6cb73
SH256 hash:
87fdfcffeee16c0392a4ef6eac8d0fbf1124dff9e64bc6cf8f7cf36af40e6d93
MD5 hash:
5bc9789cce7b56a6163fad765618a6f4
SHA1 hash:
93aef3423823406b07eb018dc90b0cdc75154317
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe 87fdfcffeee16c0392a4ef6eac8d0fbf1124dff9e64bc6cf8f7cf36af40e6d93

(this sample)

  
Delivery method
Distributed via e-mail attachment

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