MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4
SHA3-384 hash: 54036f55792e6f10434bf26b86f5a3a2f5c7c3690fb541670d5ee195ebe59b9c67e6897301597c8a742b744d07de4922
SHA1 hash: ffcb86b04d777a17b01632c99f89986ba2750cd7
MD5 hash: 2b99589abe119120bf1d3f5b5de18cb6
humanhash: east-enemy-thirteen-louisiana
File name:Bill of Lading-invoices-packing list.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'863'168 bytes
First seen:2023-04-05 21:53:14 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:saT0IbmQbB/h1ea4xHt2eSkJ5u2eywz/z5uiMbh95u9O9v+tNP/Ta+gKdiUn4c:uIaQbBXMN5SkYIiD4
Threatray 1'886 similar samples on MalwareBazaar
TLSH T19A85C0721BEBFDDBD7FD0E74E45631D46CEC686B536C929835C80ACA58E6B508C218B0
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bill of Lading-invoices-packing list.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 21:54:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fe1ad1c0-08ee-4654-a3c1-c90e749517db

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/380454/
Detection(s):
SecuriteInfo.com.Variant.Kryptik.164.11071.28680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/642dedfa497fb6f23efd9e55/reports/872ccf00-fb08-4373-9e43-9804871c6406/overview
Verdict:
Malicious
Labled as:
Kryptik.Generic
Link:
https://www.hybrid-analysis.com/sample/4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6615c12a-18fa-4a67-9ee2-a1f159991f48
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209282
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842198 Sample: Bill_of_Lading-invoices-pac... Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected Telegram RAT 2->65 67 6 other signatures 2->67 7 Bill_of_Lading-invoices-packing_list.exe 1 5 2->7         started        11 Kfrcj.exe 2 2->11         started        13 Kfrcj.exe 1 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\...\Kfrcj.exe, PE32 7->37 dropped 39 C:\Users\user\...\Kfrcj.exe:Zone.Identifier, ASCII 7->39 dropped 41 Bill_of_Lading-inv...acking_list.exe.log, ASCII 7->41 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 May check the online IP address of the machine 7->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->73 15 Bill_of_Lading-invoices-packing_list.exe 15 2 7->15         started        19 powershell.exe 16 7->19         started        21 Bill_of_Lading-invoices-packing_list.exe 7->21         started        75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 79 Encrypted powershell cmdline option found 11->79 23 Kfrcj.exe 11->23         started        25 powershell.exe 10 11->25         started        81 Injects a PE file into a foreign processes 13->81 27 Kfrcj.exe 13->27         started        29 powershell.exe 13->29         started        signatures5 process6 dnsIp7 43 api4.ipify.org 173.231.16.76, 443, 49707, 49709 WEBNXUS United States 15->43 45 api.telegram.org 149.154.167.220, 443, 49708, 49710 TELEGRAMRU United Kingdom 15->45 51 2 other IPs or domains 15->51 53 Installs a global keyboard hook 15->53 31 conhost.exe 19->31         started        47 api.ipify.org 23->47 33 conhost.exe 25->33         started        49 api.ipify.org 27->49 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->55 57 Tries to steal Mail credentials (via file / registry access) 27->57 59 Tries to harvest and steal browser information (history, passwords, etc) 27->59 35 conhost.exe 29->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-05 08:25:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=juurx6tq55xu3frpjqcefjgq7aremhhqznhogmbqaxt7g5jj6t2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 1'876 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230405-1r69fsbg7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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/bot6234729558:AAG2Zxnns-gxXr_aHUvE_hDnLwG51nBYmLY/
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
Link:
https://www.unpac.me/results/15a9db58-60d5-473e-b1f5-b432b6e47756/
SH256 hash:
9925cbfafd9cde535d76c4d330ef447cbf141be7d9722994acb7e88bbc5ee41c
MD5 hash:
6ed8d71b146c13159974ddc6951bb8a9
SHA1 hash:
6509543c073fa65ee9faf1d1abf6d2c019ee46a1
Link:
https://www.unpac.me/results/15a9db58-60d5-473e-b1f5-b432b6e47756/
SH256 hash:
95153cc707edcd71d76618c2c51ad81a295c73d77e033e0626eabf7f11e4d88b
MD5 hash:
1cfafa25e474f8e8a9be33d537ad4055
SHA1 hash:
5351b442d594d53c59b51ea4a17ee23235f8f24d
Link:
https://www.unpac.me/results/15a9db58-60d5-473e-b1f5-b432b6e47756/
SH256 hash:
c34a925cd0f17b4fc90221df98db310b1f591d98ae62936fc4e1ef2bd2cfb8dd
MD5 hash:
a1f2a2458db15b222c9c346c526c8269
SHA1 hash:
1caa7929b7d102e74c000f71085911620620f46e
Link:
https://www.unpac.me/results/15a9db58-60d5-473e-b1f5-b432b6e47756/
SH256 hash:
4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4
MD5 hash:
2b99589abe119120bf1d3f5b5de18cb6
SHA1 hash:
ffcb86b04d777a17b01632c99f89986ba2750cd7
Link:
https://www.unpac.me/results/15a9db58-60d5-473e-b1f5-b432b6e47756/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d291bfa70ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 4d291bfa70ef6f4d962f4c0442a4d0f822461cf0cb4ee3303005e7f37529f4f4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380454/

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