MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bca8f7366390a1fac5bfcc29896ce8d4e75475eb9a3b41af7293e9c6b718451. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bca8f7366390a1fac5bfcc29896ce8d4e75475eb9a3b41af7293e9c6b718451
SHA3-384 hash: d68954c8a83663770dee6a802bb4ba7b9351f5f12264a7521048d8402c1f90ac90f5e1868a2149b4b37034e3bd7098d6
SHA1 hash: 88f89cbb5dde794c3af43e0d9726749e9944bbaf
MD5 hash: ac32d76fe133ae35db1adf7172ab92ee
humanhash: uniform-mars-music-princess
File name:NhwJoC9cxgLiXJU.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:468'480 bytes
First seen:2020-07-16 19:10:01 UTC
Last seen:2020-07-16 20:13:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2/cNIIIIIIIIIIIIIII/2k4zU0/6B9NjsHpk8C4RPcr7vtK:2kNIIIIIIIIIIIIIIIe63NgJXkrB
Threatray 10'588 similar samples on MalwareBazaar
TLSH D2A4F0DC6E68A522CAEC1FF84876DA3452302E51F8F2F14927D5FE5F3232219E14A716
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.allfrice.com
Sending IP: 45.95.169.51
From: Lisa<jo@samaritans.org>
Subject: PO-78986900
Attachment: PO-78976900.IMG (contains "NhwJoC9cxgLiXJU.exe")

AgentTesla FTP exfil server:
asnbanknl.com:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27042/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.3766.27242.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388834
Signature
Contains functionality to register a low level keyboard hook
Installs a global keyboard hook
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 (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246600 Sample: NhwJoC9cxgLiXJU.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 3 other signatures 2->35 7 NhwJoC9cxgLiXJU.exe 5 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\qHHcmeNIB.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpC855.tmp, XML 7->23 dropped 25 C:\Users\user\...25hwJoC9cxgLiXJU.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 11 NhwJoC9cxgLiXJU.exe 15 10 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 asnbanknl.com 185.36.81.151, 21, 49721, 49722 TELE-ASTeleAsiaLimitedHK Lithuania 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9bca8f7366390a1fac5bfcc29896ce8d4e75475eb9a3b41af7293e9c6b718451/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 19:11:07 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpfi643ghefb7lc37tbjrfworvhhkr26xgr3igxxfe7jy23rqriq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'578 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-ahk88c9jcn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

img 603715e9b17c8bb9ce42224e8ab2699a6cf9f851b992f3af13ae393351d4e54c

AgentTesla

Executable exe 9bca8f7366390a1fac5bfcc29896ce8d4e75475eb9a3b41af7293e9c6b718451

(this sample)

  
Dropped by
MD5 e8096a8ac72826b8c9afdc33edd354e1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 603715e9b17c8bb9ce42224e8ab2699a6cf9f851b992f3af13ae393351d4e54c
Cape
Cape
https://www.capesandbox.com/analysis/27042/

Comments