MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe4d35aa4b996c11b247ce2eeda07ce6a932172e73b9db9fc00bb2e2f9ac2aa1. 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 2 File information Comments

SHA256 hash: fe4d35aa4b996c11b247ce2eeda07ce6a932172e73b9db9fc00bb2e2f9ac2aa1
SHA3-384 hash: c80c410dc21bb0db7ea5298b4846746f94363dd7324bd47456d152a8044387b1291d5a06b08aaffa2d601da2429dd5b8
SHA1 hash: f2666404c2518676fb327aac1a81fd7b6181e9fb
MD5 hash: d2d2bf88e7e8d8af09f9e356458774a3
humanhash: march-seven-connecticut-finch
File name:990OTT220624040.exe
Download: download sample
Signature AgentTesla
File size:1'043'968 bytes
First seen:2022-10-24 05:55:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:t45tdt/DxX2Zyrhu/Wnp7KAx39MgljlFvrrOArUeAFz:i57t/8yu67HZl7jqAIe
Threatray 19'388 similar samples on MalwareBazaar
TLSH T1B625D13426ED531CF177AF751BD474AA8BFAF7223706E4692CA10BC24712E40DDA2636
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
990OTT220624040.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 05:56:50 UTC
Tags:
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
Сreating synchronization primitives
Searching for 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
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 very large array initializations
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728832 Sample: 990OTT220624040.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 51 api.telegram.org 2->51 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 10 other signatures 2->61 8 990OTT220624040.exe 6 2->8         started        12 SsLtblq.exe 4 2->12         started        14 skxIBkJUsixs.exe 5 2->14         started        16 SsLtblq.exe 2->16         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\skxIBkJUsixs.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpEEF4.tmp, XML 8->47 dropped 49 C:\Users\user\...\990OTT220624040.exe.log, ASCII 8->49 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 18 990OTT220624040.exe 17 6 8->18         started        23 schtasks.exe 1 8->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 83 Injects a PE file into a foreign processes 12->83 25 SsLtblq.exe 12->25         started        27 schtasks.exe 12->27         started        29 schtasks.exe 14->29         started        31 skxIBkJUsixs.exe 14->31         started        33 skxIBkJUsixs.exe 14->33         started        signatures6 process7 dnsIp8 53 api.telegram.org 149.154.167.220, 443, 49698, 49699 TELEGRAMRU United Kingdom 18->53 41 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 18->41 dropped 43 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 18->43 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 35 conhost.exe 23->35         started        69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        file9 signatures10 process11
Threat name:
Win32.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-10-23 08:44:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
20184b42b2bf5b51d03e7dadb998d0cbdfb56e81a2d5295c11091007f0ec79bf
MD5 hash:
6707f0c796830cccbfe9fc258a89e342
SHA1 hash:
4c0a30ad7b861c0abc0e32ac4c827aa905953d7a
SH256 hash:
fe4d35aa4b996c11b247ce2eeda07ce6a932172e73b9db9fc00bb2e2f9ac2aa1
MD5 hash:
d2d2bf88e7e8d8af09f9e356458774a3
SHA1 hash:
f2666404c2518676fb327aac1a81fd7b6181e9fb
Malware family:
AgentTesla.v3
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: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 fe4d35aa4b996c11b247ce2eeda07ce6a932172e73b9db9fc00bb2e2f9ac2aa1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments