MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1. 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: 13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1
SHA3-384 hash: 0e2d6fbf27581200f2e70e2563f341bc4f21ebe3ec190bc542b1fe92c2144e9a7140adfbebe7f1b70a0874e567d77f05
SHA1 hash: 6bba11ecdbd5e50204737296902e7805615fe4bc
MD5 hash: fc298909af8cc330d50f74fb14ae4e7f
humanhash: vermont-winner-jig-sodium
File name:INV#45662019.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:598'016 bytes
First seen:2020-07-16 19:00:07 UTC
Last seen:2020-07-16 20:13:19 UTC
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:/1KW2k4zUWet8Gg30p9TgxrDpEFaNoFUMgqnhU7Gq4eO2xLnp:Nie82erDpEwmFprg
Threatray 11'086 similar samples on MalwareBazaar
TLSH 26D49CD83500759EC81F8D7689A4DC70A6202C66F7FBD20663D37D9F7A3D697CA012A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.y-tasarim.com
Sending IP: 94.102.13.164
From: Deborah L. McCoy <sales@kerpiccigroup.com>
Subject: Invoice
Attachment: INV45662019.PDF.7z (contains "INV#45662019.exe")

AgentTesla SMTP exfil server:
mail.dogulumetal.com:587

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/27013/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.10561.950.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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388812
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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
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: 246586 Sample: INV#45662019.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 5 other signatures 2->40 7 INV#45662019.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\QCWFFAI.exe, PE32 7->20 dropped 22 C:\Users\user\...\QCWFFAI.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmp3EDD.tmp, XML 7->24 dropped 26 C:\Users\user\...\INV#45662019.exe.log, ASCII 7->26 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->44 46 Injects a PE file into a foreign processes 7->46 11 INV#45662019.exe 4 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 30 dogulumetal.com 5.250.244.184, 49720, 49724, 587 AYSIMATR Turkey 11->30 32 mail.dogulumetal.com 11->32 28 C:\Windows\System32\drivers\etc\hosts, ASCII 11->28 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Tries to steal Mail credentials (via file access) 11->50 52 Tries to harvest and steal ftp login credentials 11->52 54 3 other signatures 11->54 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 16:43:03 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cp32gd2yv6t7ja76u2udpokajo3q4dsjcurpswsz2b3ybf2fqdqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
067b9d06a47a9ca284129833cf4d79dae27bb36c6bccef4bb6ef01bd649db763
AgentTesla
071cdf5a4c0f1cefcfb1cde2fa78a5ffa221e3c8e11062a6edad41d0023b2104
AgentTesla
22d92e9b0441722e2eec1d718cfbc78036132d57b15ec9ab1a84170cd1633efe
AgentTesla
36ffff33584d663103bfe648c7ef4a78538587b88709976c5583721afe658c91
AgentTesla
3c424e2399b9c7c6137ebd07c82955103e205ec70fa52518ea73fa82ef5cf946
AgentTesla
6d64f2c47bc182a160e02ceebb8e194dd627fb83d762f9d1609d4f1d7cf3ff89
AgentTesla
8844e23aa416b9eb9690742c98f55c76dc1ff1e5956dff7f8796e46cc38f60cb
AgentTesla
a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16
AgentTesla
c55adee81431d43a726c2b55b4153d234782a0c2ca454a4ef55527d41d86fdb6
AgentTesla
cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd
AgentTesla
+ 11'076 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/200716-2ca532txyx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
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
Drops file in Drivers directory
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

7z e2f7d1c43f0f763b1d689a602d4d9e6b0faf25a7773fdc9b12705dab485f0391

AgentTesla

Executable exe 13f7a30f58afa7f483fea6a837b9404bb70e0e491522f95a59d07780974580e1

(this sample)

  
Dropped by
MD5 c56095b491dec7c3d16379414b41179a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e2f7d1c43f0f763b1d689a602d4d9e6b0faf25a7773fdc9b12705dab485f0391
Cape
Cape
https://www.capesandbox.com/analysis/27013/

Comments