MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 316c1b0fdcdf09b8d30f3ca703b5d6dbdf8b6fc7098262da787a96ff631cf256. 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

SHA256 hash: 316c1b0fdcdf09b8d30f3ca703b5d6dbdf8b6fc7098262da787a96ff631cf256
SHA3-384 hash: d189e7aa45b008d2c93adffdbeb56534056a690465c9c9fd35da39a7f735392904b4dcde417c884c2ea73a384913c745
SHA1 hash: f18ce7823509fc7c7e8b86c7cd9d4e9cbedb2f64
MD5 hash: 564321fc2b59e547e7e566db62ee7d51
humanhash: xray-yankee-south-pizza
File name:STATEMENT OF ACCOUNT.exe
Download: download sample
Signature AgentTesla
File size:741'376 bytes
First seen:2020-08-05 08:40:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89f9603ab119f487b36c91fab25c064e (8 x AgentTesla, 4 x Loki, 2 x MassLogger)
ssdeep 12288:Y9N5xdEzBMwNXyseVY06gkdo7AL8Mj0a2M1lgHIGL5C3cM:8nczvIYl83a26lgpY3cM
Threatray 11'343 similar samples on MalwareBazaar
TLSH 51F4BE22E2F14933C167273DDC2B57B8982ABE5139E859862FE81D4C5F3978139293D3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.sgbcg.com
Sending IP: 113.11.251.241
From: Mrs Christina Khor <Account1@sendmystuffs.com.sg>
Subject: RE: INTERNATIONAL OFFSHORE SOA FOR JULY 2020
Attachment: STATEMENT OF ACCOUNT.zip (contains "STATEMENT OF ACCOUNT.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Maps a DLL or memory area into another process
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257582 Sample: STATEMENT OF ACCOUNT.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Sigma detected: Capture Wi-Fi password 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 8 other signatures 2->56 8 cYuJyc.exe 2->8         started        11 STATEMENT OF ACCOUNT.exe 2->11         started        13 cYuJyc.exe 2->13         started        process3 signatures4 58 Maps a DLL or memory area into another process 8->58 15 cYuJyc.exe 4 8->15         started        19 STATEMENT OF ACCOUNT.exe 2 7 11->19         started        60 Detected unpacking (changes PE section rights) 13->60 62 Detected unpacking (creates a PE file in dynamic memory) 13->62 64 Detected unpacking (overwrites its own PE header) 13->64 66 3 other signatures 13->66 process5 dnsIp6 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 Tries to harvest and steal ftp login credentials 15->42 44 Tries to harvest and steal browser information (history, passwords, etc) 15->44 22 netsh.exe 3 15->22         started        34 r112ds144.redewt.net 185.118.112.134, 49739, 49744, 587 RACKFIBERPT Portugal 19->34 36 192.168.2.1 unknown unknown 19->36 30 C:\Users\user\AppData\Roaming\...\cYuJyc.exe, PE32 19->30 dropped 32 C:\Users\user\...\cYuJyc.exe:Zone.Identifier, ASCII 19->32 dropped 46 Tries to harvest and steal WLAN passwords 19->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->48 24 netsh.exe 3 19->24         started        file7 signatures8 process9 process10 26 conhost.exe 22->26         started        28 conhost.exe 24->28         started       
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-05 03:02:54 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Modifies service
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
UPX packed file
AgentTesla Payload
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 316c1b0fdcdf09b8d30f3ca703b5d6dbdf8b6fc7098262da787a96ff631cf256

(this sample)

  
Delivery method
Distributed via e-mail attachment

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