MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc
SHA3-384 hash: e57185289ae559d7f1452b72bd96ae30d2c526bd7dd24b8b28751f736ab47d0d2d522a7e0981fe645e4ea5f172e1bbb8
SHA1 hash: 7ed9e97d3c9afe103acaba877996f3f32f6b4aa7
MD5 hash: 491ba027e238dcc5028fb2c48eeb6353
humanhash: comet-nebraska-berlin-december
File name:QsVMzYx7O9VSeeC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:892'416 bytes
First seen:2020-07-20 11:21:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uJWkVBr2KobXAFV1q9I6/kldSCGDyw4Sso66rJCClvZ+wdQDdNod+ik4g8y3SoDr:uJW4r2BGOPWSEfC2LzrEloDv
Threatray 10'679 similar samples on MalwareBazaar
TLSH 3115E1C83B40A40EC09E1EBA5E51CD749330AD46F6F3E34767C66ADE297E39BC905291
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic301-21.consmr.mail.gq1.yahoo.com
Sending IP: 98.137.64.147
From: Tony Johnson <ranohl71@yahoo.com>
Reply-To: Tony Johnson <tonyjohnsone1@gmail.com>
Subject: Revised Invoice
Attachment: Revised Invoice.rar (contains "QsVMzYx7O9VSeeC.exe")

AgentTesla SMTP exfil server:
smtp.annlap.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28998/
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391451
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248110 Sample: QsVMzYx7O9VSeeC.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 3 other signatures 2->45 6 newapp.exe 1 2->6         started        9 QsVMzYx7O9VSeeC.exe 1 2->9         started        12 newapp.exe 2->12         started        process3 file4 47 Antivirus detection for dropped file 6->47 49 Multi AV Scanner detection for dropped file 6->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 57 2 other signatures 6->57 14 newapp.exe 10 6->14         started        29 C:\Users\user\...\QsVMzYx7O9VSeeC.exe.log, ASCII 9->29 dropped 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->53 55 Contains functionality to register a low level keyboard hook 9->55 18 QsVMzYx7O9VSeeC.exe 2 13 9->18         started        21 newapp.exe 2 12->21         started        23 newapp.exe 12->23         started        signatures5 process6 dnsIp7 31 208.91.199.224, 49722, 49723, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 33 smtp.annlap.com 14->33 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->59 61 Tries to steal Mail credentials (via file access) 14->61 63 Tries to harvest and steal ftp login credentials 14->63 65 Tries to harvest and steal browser information (history, passwords, etc) 14->65 35 smtp.annlap.com 18->35 37 us2.smtp.mailhostbox.com 208.91.199.225, 49720, 49721, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->37 25 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 18->25 dropped 27 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 18->27 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 69 Installs a global keyboard hook 18->69 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 11:23:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4ve4mdyrvbwnxx2ouaj7clkxlgaudsqyfr554drd3iy3rnrzo6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'669 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/200720-mvelklhy5a/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc

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

rar be53ed90b7908a5f1a6c8e02bcd07fc0d20274c18d829ddfdfb117d406dbf27b

AgentTesla

Executable exe af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc

(this sample)

  
Dropped by
MD5 841f7248cce999dcfeedfcdf640ca7d4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28998/
  
Dropped by
SHA256 be53ed90b7908a5f1a6c8e02bcd07fc0d20274c18d829ddfdfb117d406dbf27b

Comments