MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 420ee7de202cb5850277835114384bc2bd02dea4259849e61dd58f6a24f09c21. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 420ee7de202cb5850277835114384bc2bd02dea4259849e61dd58f6a24f09c21
SHA3-384 hash: 5394ca6de01eb0a1a95f6c774521a5125276020ea3016bcd233acbe64c516dc896ed62a7eed3d5cbf774ed6131b1086e
SHA1 hash: 882a9828476b8d832d697cbec4ea27c42f682a0c
MD5 hash: bcb63e16582991ce83d86d4e0a8b00fc
humanhash: floor-alanine-sweet-fillet
File name:Confirmation Transfer Ref_0023456.exe
Download: download sample
Signature AgentTesla
File size:477'184 bytes
First seen:2022-04-13 07:56:58 UTC
Last seen:2022-04-13 08:36:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:hZN6QKwGLiXZrPZ0/bdWLn0OXHB0BjNKz97q/go4jb8pnuGWMpAjm4YwZL33ChDz:hK0JrxWen0ZNKz97YpnPpeTjQPh
Threatray 15'898 similar samples on MalwareBazaar
TLSH T189A4BE90DA153AC2D0654BB5C4A2CCB036E5B39E811CF7897CB5BA452EF20C6E115FAF
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
367
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirmation Transfer Ref_0023456.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 08:03:10 UTC
Tags:
n/a

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
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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.
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
.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: Suspicious Add Scheduled Task From User AppData Temp
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608491 Sample: Confirmation Transfer Ref_0... Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 12 other signatures 2->58 7 WGeMzBS.exe 5 2->7         started        10 Confirmation Transfer Ref_0023456.exe 6 2->10         started        13 WGeMzBS.exe 2 2->13         started        process3 file4 60 Multi AV Scanner detection for dropped file 7->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 Machine Learning detection for dropped file 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 15 WGeMzBS.exe 2 7->15         started        19 schtasks.exe 1 7->19         started        34 C:\Users\user\AppData\...\KdAEvWVGiHcmf.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp2790.tmp, XML 10->36 dropped 38 Confirmation Trans...Ref_0023456.exe.log, ASCII 10->38 dropped 68 Injects a PE file into a foreign processes 10->68 21 Confirmation Transfer Ref_0023456.exe 2 5 10->21         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 42 Tries to harvest and steal ftp login credentials 15->42 44 Tries to harvest and steal browser information (history, passwords, etc) 15->44 26 conhost.exe 19->26         started        40 smtp.mail.com 74.208.5.15, 49777, 49782, 587 ONEANDONE-ASBrauerstrasse48DE United States 21->40 30 C:\Users\user\AppData\Roaming\...\WGeMzBS.exe, PE32 21->30 dropped 32 C:\Users\user\...\WGeMzBS.exe:Zone.Identifier, ASCII 21->32 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->46 48 Tries to steal Mail credentials (via file / registry access) 21->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->50 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-04-13 04:07:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
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:
bcac6a575d98d8fa83050b966a7926094d77ce64e909898e53497a72d56bdf2e
MD5 hash:
b0f664a7cdd4ba1a3b429563a0759601
SHA1 hash:
728212817d116d4786d1f6e4477ef2f691804698
SH256 hash:
6299dd4e694b10291d28d90df5c328ce96955fc4cbe0bbd272e64688a81314fc
MD5 hash:
87d8b495a5bed1ee6e2463a19d13e057
SHA1 hash:
688e921aea4287e48f13533f375ccd90ecc65791
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
420ee7de202cb5850277835114384bc2bd02dea4259849e61dd58f6a24f09c21
MD5 hash:
bcb63e16582991ce83d86d4e0a8b00fc
SHA1 hash:
882a9828476b8d832d697cbec4ea27c42f682a0c
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 420ee7de202cb5850277835114384bc2bd02dea4259849e61dd58f6a24f09c21

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments