MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27
SHA3-384 hash: 132f7bf2b4a6a505474cb1266cb0f038fe90acaa3e082dc889d285450dd3d829ed706fb1b84f3f997657ecd06cc2d41e
SHA1 hash: 458d0d9b4a210e34e958e2806700a5b177ddd660
MD5 hash: a56bb0b32e1cf8a6d446ef50b4b22d90
humanhash: golf-illinois-zulu-spaghetti
File name:DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:657'408 bytes
First seen:2020-07-28 13:53:35 UTC
Last seen:2020-07-28 15:01:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:CayCiSyiSYgggV7WXLiwC5FzjtrTVYWzUmSmiewnkh:mELiwmjhTSze9
Threatray 10'701 similar samples on MalwareBazaar
TLSH 71E4F21021944B1FC26796B12577D0F01223EDA6EB21EA3B4CCFEC9739E16F86693653
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: forward104j.mail.yandex.net
Sending IP: 5.45.198.247
From: muhasebe@desmuhendislik.com.tr
Subject: Fwd: Swift
Attachment: DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.xz (contains "DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe")

AgentTesla FTP exfil server:
ftp.rebu.co.rw:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33741/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52666.2357.1626.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400476
Signature
Binary contains a suspicious time stamp
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Capture Wi-Fi password
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252586 Sample: DraftSwift copy hpSCAN 2207... Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 40 g.msn.com 2->40 42 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->42 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Sigma detected: Capture Wi-Fi password 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 8 other signatures 2->52 9 IYLZX5.exe 3 2->9         started        12 DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV  CON 702.exe 3 2->12         started        15 IYLZX5.exe 2 2->15         started        17 wuapihost.exe 2->17         started        signatures3 process4 file5 68 Multi AV Scanner detection for dropped file 9->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->72 19 IYLZX5.exe 14 3 9->19         started        38 DraftSwift copy hp...NV  CON 702.exe.log, ASCII 12->38 dropped 74 Injects a PE file into a foreign processes 12->74 23 DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV  CON 702.exe 17 6 12->23         started        signatures6 process7 dnsIp8 54 Tries to harvest and steal ftp login credentials 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->58 26 netsh.exe 19->26         started        44 ftp.rebu.co.rw 104.247.74.6, 21, 33004, 34754 IMH-WESTUS United States 23->44 34 C:\Users\user\AppData\Roaming\...\IYLZX5.exe, PE32 23->34 dropped 36 C:\Users\user\...\IYLZX5.exe:Zone.Identifier, ASCII 23->36 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->60 62 Tries to steal Mail credentials (via file access) 23->62 64 Tries to harvest and steal WLAN passwords 23->64 66 Installs a global keyboard hook 23->66 28 netsh.exe 3 23->28         started        file9 signatures10 process11 process12 30 conhost.exe 26->30         started        32 conhost.exe 28->32         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 13:55:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nxs4je43gfueq5rryfsp7qahxcb2zqaf62e7xemvdidlskyg5itq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'691 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200728-ekdq64qkxx/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27

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

xz 3c26fcc5aee7f8e8601bab264178a7899f1d346af114a490764898fd14da11fa

AgentTesla

Executable exe 6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27

(this sample)

  
Dropped by
MD5 369c5893e4da539be739fdda00c7c6f9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33741/
  
Dropped by
SHA256 3c26fcc5aee7f8e8601bab264178a7899f1d346af114a490764898fd14da11fa

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