MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92458ba101e201f855a4bf2d71281cd304171520d73c90947cc45921da3e7987. 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

SHA256 hash: 92458ba101e201f855a4bf2d71281cd304171520d73c90947cc45921da3e7987
SHA3-384 hash: 46ff5fcfa30ae0ce8dc0fc27b82e4796137b220ff9ce4f908681bcb52d8fbbbbf7ca45b18e2da2a326efee5e974728db
SHA1 hash: 471fada6c8f35d8ecd7d492c59366fdd1ef15d56
MD5 hash: 681d4fb8fca364725bcddae9abd8d3f7
humanhash: uniform-william-sixteen-ten
File name:SWIFT COPY.exe
Download: download sample
Signature AgentTesla
File size:615'936 bytes
First seen:2020-07-29 14:34:10 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:t3eoIsYqhHBvo7jCavL5QunlZ8u6QEc9TQZ7mVqglJ/xoq:heUdBw7jCavlBZ8uRTQZ7mVqgX
Threatray 10'550 similar samples on MalwareBazaar
TLSH 64D4D059B792F81AC3BE4575E2FC1908CEFC81D1A26BD345389697FF19C63A2D8011B2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: kenyaweb.com
Sending IP: 194.201.253.132
From: accountsmkl@mondol.net
Subject: APOLOGY-DELAY IN PAYMENT
Attachment: SWIFT COPY.r02 (contains "SWIFT COPY.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253716 Sample: SWIFT COPY.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 47 g.msn.com 2->47 49 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->49 63 Found malware configuration 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Yara detected AgentTesla 2->67 69 6 other signatures 2->69 8 YYtJku.exe 1 2->8         started        11 SWIFT COPY.exe 5 2->11         started        14 YYtJku.exe 2->14         started        signatures3 process4 file5 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->73 16 YYtJku.exe 2 8->16         started        35 C:\Users\user\AppData\Local\...\tmp9549.tmp, XML 11->35 dropped 37 C:\Users\user\AppData\...\&startupname&.exe, PE32 11->37 dropped 20 SWIFT COPY.exe 2 5 11->20         started        23 schtasks.exe 1 11->23         started        25 SWIFT COPY.exe 11->25         started        75 Injects a PE file into a foreign processes 14->75 27 YYtJku.exe 14->27         started        signatures6 process7 dnsIp8 39 mail.consolprinting.com 16->39 41 192.168.2.1 unknown unknown 16->41 51 Tries to harvest and steal ftp login credentials 16->51 53 Tries to harvest and steal browser information (history, passwords, etc) 16->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->55 43 consolprinting.com 198.136.48.146, 49740, 49742, 587 DIMENOCUS United States 20->43 45 mail.consolprinting.com 20->45 31 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 20->31 dropped 33 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 20->33 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->57 59 Moves itself to temp directory 20->59 61 Tries to steal Mail credentials (via file access) 20->61 29 conhost.exe 23->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 14:36:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Creates scheduled task(s)
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
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
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 92458ba101e201f855a4bf2d71281cd304171520d73c90947cc45921da3e7987

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments