MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74f0abd5013240cc7c7907544e081c7331c278356e5a0d7a9f5add4105734611. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 74f0abd5013240cc7c7907544e081c7331c278356e5a0d7a9f5add4105734611
SHA3-384 hash: 3667fac3c6d0d465b0b8a067d7125cb5429bbd8d2d31c005e8f7d1bfafb357fed23284f7d49406409b5818fd3ee1d56b
SHA1 hash: d519b85de73a25025bc3fe0b89178a320feb38f8
MD5 hash: 3c29248e3d6885fdbc7918485def416b
humanhash: finch-magazine-yellow-leopard
File name:swift advice Ref[GLV501756103].exe
Download: download sample
Signature AgentTesla
File size:511'488 bytes
First seen:2020-07-31 11:46:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:uzSTKCmInfJz1PYUEEX5fy4XAASSxJnjAzEKPmcFpC+s7Q:uzSTKCjxzZY6jApCnDKPmc/C+s7
TLSH 1AB4DF5CB0EA251BF41636BF9FF8919BCE96E02F5682522B567521C7803CB487EC1E70
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: Global Payments and Cash Management HSBC Payment Center <jjhyd@cyber.net.pk>
Subject: Payment Advice - Advice Ref:[GLV501756103] / ACH credits / Customer Ref:[KTSB TC3004001 - 086] / Second Party Ref:[1042886P]
Attachment: swift advice RefGLV501756103.zip (contains "swift advice Ref[GLV501756103].exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255340 Sample: swift advice Ref[GLV5017561... Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 30 g.msn.com 2->30 32 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->32 50 Found malware configuration 2->50 52 Yara detected AgentTesla 2->52 54 Yara detected AntiVM_3 2->54 56 4 other signatures 2->56 7 YYtJku.exe 3 2->7         started        10 swift advice Ref[GLV501756103].exe 3 2->10         started        13 YYtJku.exe 2 2->13         started        signatures3 process4 file5 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Machine Learning detection for dropped file 7->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->62 15 YYtJku.exe 2 7->15         started        28 C:\...\swift advice Ref[GLV501756103].exe.log, ASCII 10->28 dropped 64 Injects a PE file into a foreign processes 10->64 19 swift advice Ref[GLV501756103].exe 2 5 10->19         started        22 YYtJku.exe 13->22         started        signatures6 process7 dnsIp8 38 Tries to harvest and steal ftp login credentials 15->38 40 Tries to harvest and steal browser information (history, passwords, etc) 15->40 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 34 us2.smtp.mailhostbox.com 208.91.199.224, 49738, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->34 36 192.168.2.1 unknown unknown 19->36 24 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 19->24 dropped 26 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 19->26 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->44 46 Moves itself to temp directory 19->46 48 Tries to steal Mail credentials (via file access) 19->48 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-31 11:48:08 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Threat name:
Suspicious File
Score:
0.45

Yara Signatures


Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 74f0abd5013240cc7c7907544e081c7331c278356e5a0d7a9f5add4105734611

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments