MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47cbf7971536b01b92965a84e3dd0c437ce964178a037b0171be0e291e311683. 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: 47cbf7971536b01b92965a84e3dd0c437ce964178a037b0171be0e291e311683
SHA3-384 hash: aaca3508ea9c1b0a765feae2cccea7fb29b7488a5e4da34bcfe8759d8cc7e6a3d6ae3c65dd308c49c1c051870f542fb0
SHA1 hash: 4143acb4c5421c6646d39ac9bbc06493b308bd1e
MD5 hash: 5e11c7477e0fb1bb4b29c0d6130aadfd
humanhash: indigo-papa-beryllium-gee
File name:Proforma Invoice.exe
Download: download sample
Signature AgentTesla
File size:1'061'888 bytes
First seen:2023-01-19 14:17:43 UTC
Last seen:2023-01-19 15:32:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:wHsUD6Ggz6NU0LPCOkOdeZ700ik5ndOGr7c:wVZ3PCYIzHv
Threatray 20'935 similar samples on MalwareBazaar
TLSH T152357C3E06B856CAC1BEF67DAB44DD14FDE09442F2028E5FAAE20896C91378325C7D5D
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71e0cccce0ecf871 (5 x AgentTesla, 2 x SnakeKeylogger, 1 x PureCrypter)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 14:22:36 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
Sending a custom TCP request
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:
floxif obfuscated packed virus
Result
Verdict:
UNKNOWN
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 method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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
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 Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 787469 Sample: Proforma Invoice.exe Startdate: 19/01/2023 Architecture: WINDOWS Score: 100 57 api.telegram.org 2->57 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 13 other signatures 2->69 8 SsLtblq.exe 5 2->8         started        11 Proforma Invoice.exe 6 2->11         started        14 SsLtblq.exe 2->14         started        16 zQAvBkWoQoE.exe 5 2->16         started        signatures3 process4 file5 81 Multi AV Scanner detection for dropped file 8->81 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Machine Learning detection for dropped file 8->85 18 SsLtblq.exe 8->18         started        22 schtasks.exe 8->22         started        24 SsLtblq.exe 8->24         started        51 C:\Users\user\AppData\...\zQAvBkWoQoE.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpFA51.tmp, XML 11->53 dropped 55 C:\Users\user\...\Proforma Invoice.exe.log, ASCII 11->55 dropped 87 Injects a PE file into a foreign processes 11->87 26 Proforma Invoice.exe 17 6 11->26         started        29 schtasks.exe 1 11->29         started        31 SsLtblq.exe 14->31         started        33 schtasks.exe 14->33         started        89 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->89 35 schtasks.exe 16->35         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 39 conhost.exe 22->39         started        59 api.telegram.org 149.154.167.220, 443, 49704, 49705 TELEGRAMRU United Kingdom 26->59 61 192.168.2.1 unknown unknown 26->61 47 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 26->47 dropped 49 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 26->49 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->71 73 Tries to steal Mail credentials (via file / registry access) 26->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->75 41 conhost.exe 29->41         started        77 Tries to harvest and steal ftp login credentials 31->77 79 Tries to harvest and steal browser information (history, passwords, etc) 31->79 43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-19 05:22:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 26 (73.08%)
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Unpacked files
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
15dfcadf4e16db7d200576c171628444cf9f2bc103c80862e5258d30bf254e3f
MD5 hash:
60d17e615665d97a4ad6a306cd77c93b
SHA1 hash:
448613f10c2fdfe43072d69aa8a04bdf9ad85487
SH256 hash:
47cbf7971536b01b92965a84e3dd0c437ce964178a037b0171be0e291e311683
MD5 hash:
5e11c7477e0fb1bb4b29c0d6130aadfd
SHA1 hash:
4143acb4c5421c6646d39ac9bbc06493b308bd1e
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 47cbf7971536b01b92965a84e3dd0c437ce964178a037b0171be0e291e311683

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments