MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ae9d438bfa2eae4950e1bbe13d51aa7a1c8f477c8098b4394768b3f758a4122. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 8ae9d438bfa2eae4950e1bbe13d51aa7a1c8f477c8098b4394768b3f758a4122
SHA3-384 hash: f26ae1dd68b6c02cb825ca5267c44cc8b5e7348251c898e03e412a80a31588255155bf281e682e116545204fc920bf16
SHA1 hash: b9a5b53d6c06e48f1da3cb7698b1db1310b8aee1
MD5 hash: 08c84a338e65c8da7857f72ac97dc080
humanhash: nineteen-finch-twenty-skylark
File name:Quote order#098799.exe
Download: download sample
Signature AgentTesla
File size:85'504 bytes
First seen:2022-04-25 08:33:26 UTC
Last seen:2022-04-25 09:31:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:HnMgt80LjOGn/nrOZvyTOmgPx2ZHI1kF3vGgAnLMpIbp/Yp30VDRZHmVcl:HnRx/rOZvyTOmgPxYI1kF3vDAnLMKbau
Threatray 16'156 similar samples on MalwareBazaar
TLSH T17C833A4A2A89A225C2E836FD95F150D59376ECE30230C14FBCF97A5C5A33793DC8660E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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.
Gathering data
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
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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 / dynamic malware analysis system (file name check)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 614756 Sample: Quote order#098799.exe Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 7 Quote order#098799.exe 16 7 2->7         started        12 MyAPP.exe 2->12         started        14 Wjbtufiu.exe 14 2 2->14         started        16 Wjbtufiu.exe 2 2->16         started        process3 dnsIp4 43 amtechprinting.com 64.188.2.244, 443, 49758, 49819 ASN-QUADRANET-GLOBALUS United States 7->43 45 192.168.2.1 unknown unknown 7->45 35 C:\Users\user\AppData\...\Wjbtufiu.exe, PE32 7->35 dropped 37 C:\Users\...\Wjbtufiu.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\...\Quote order#098799.exe.log, ASCII 7->39 dropped 63 Creates multiple autostart registry keys 7->63 65 Injects a PE file into a foreign processes 7->65 18 Quote order#098799.exe 2 5 7->18         started        23 cmd.exe 1 7->23         started        25 Quote order#098799.exe 7->25         started        67 Multi AV Scanner detection for dropped file 12->67 69 Machine Learning detection for dropped file 12->69 71 Tries to detect sandboxes / dynamic malware analysis system (file name check) 12->71 file5 signatures6 process7 dnsIp8 41 mail.libertymillslimited.com 64.27.62.186, 49818, 587 WEHOSTWEBSITES-COMUS United States 18->41 31 C:\Users\user\AppData\Roaming\...\MyAPP.exe, PE32 18->31 dropped 33 C:\Users\user\...\MyAPP.exe:Zone.Identifier, ASCII 18->33 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->55 57 Tries to steal Mail credentials (via file / registry access) 18->57 59 Creates multiple autostart registry keys 18->59 61 3 other signatures 18->61 27 conhost.exe 23->27         started        29 timeout.exe 1 23->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-25 06:47:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
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
Checks computer location settings
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:
8ae9d438bfa2eae4950e1bbe13d51aa7a1c8f477c8098b4394768b3f758a4122
MD5 hash:
08c84a338e65c8da7857f72ac97dc080
SHA1 hash:
b9a5b53d6c06e48f1da3cb7698b1db1310b8aee1
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:pdb2
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 8ae9d438bfa2eae4950e1bbe13d51aa7a1c8f477c8098b4394768b3f758a4122

(this sample)

  
Delivery method
Distributed via e-mail attachment

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