MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af32359c0935575ede48cc86e5080bb52b5d433a1cc876b726e70a3a90b3f555. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af32359c0935575ede48cc86e5080bb52b5d433a1cc876b726e70a3a90b3f555
SHA3-384 hash: 45aa618eef50a30473ec4f259965126d8a249aa87eee2b4874211a7e0f7692a3797f507c61859fd052bc62876e44268d
SHA1 hash: 250b92532a2e4f25a1086fb1f92d2ed9e8a1f93d
MD5 hash: 3ebb0a980951e6f7158a9056e97b662d
humanhash: alabama-mobile-bravo-king
File name:payment Commercial Invoice _4356__pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:799'744 bytes
First seen:2020-08-05 09:06:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:HPgkmJY0Ir80XJ3iV4d2RVUsatzCYT7cfCwrZfSjK:HPgq0HvkwVWzCYTIp
Threatray 10'796 similar samples on MalwareBazaar
TLSH 66055C84E14098A8FC1D4F3A9C368C264517FE7FECB5510F366DF2255BB3286286AE17
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: tianlimagnet.com
Sending IP: 45.137.22.108
From: Jack Huang <jackhuang@tianlimagnet.com >
Subject: Re: Re: RE: Re project delivery time_release
Attachment: payment Commercial Invoice _4356__pdf.gz (contains "payment Commercial Invoice _4356__pdf.exe")

AgentTesla SMTP exfil server:
smtp.dachanq.cc:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39288/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410714
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257625 Sample: payment Commercial Invoice ... Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Sigma detected: Capture Wi-Fi password 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 11 other signatures 2->44 8 payment Commercial Invoice _4356__pdf.exe 5 2->8         started        process3 file4 24 C:\Users\user\AppData\Roaming\qklgxwzVs.exe, PE32 8->24 dropped 26 C:\Users\...\qklgxwzVs.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmpD12A.tmp, XML 8->28 dropped 30 payment Commercial... _4356__pdf.exe.log, ASCII 8->30 dropped 46 Injects a PE file into a foreign processes 8->46 12 payment Commercial Invoice _4356__pdf.exe 3 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 32 smtp.dachanq.cc 12->32 34 us2.smtp.mailhostbox.com 208.91.199.225, 49725, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->34 36 192.168.2.1 unknown unknown 12->36 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 3 other signatures 12->54 18 netsh.exe 3 12->18         started        20 conhost.exe 16->20         started        signatures8 process9 process10 22 conhost.exe 18->22         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af32359c0935575ede48cc86e5080bb52b5d433a1cc876b726e70a3a90b3f555/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 08:31:53 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4zdlhajgvlv5xsizsdokcalwuvv2qz2dtehnnzg44fdveft6vkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'786 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Link:
https://tria.ge/reports/200805-gxy2g6x9s2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/af32359c0935575ede48cc86e5080bb52b5d433a1cc876b726e70a3a90b3f555

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

gz ffd18fc94dbe566679ba107a5b99c88de60cbbb4387b933cd2176f0fd61304b9

AgentTesla

Executable exe af32359c0935575ede48cc86e5080bb52b5d433a1cc876b726e70a3a90b3f555

(this sample)

  
Dropped by
MD5 963d1f60300258aa9b1f71edf9eeed82
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39288/
  
Dropped by
SHA256 ffd18fc94dbe566679ba107a5b99c88de60cbbb4387b933cd2176f0fd61304b9

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