MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77557ac716ea8b46905d5188423b22e405f69940b927f33e7d4c61e30705f747. 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: 77557ac716ea8b46905d5188423b22e405f69940b927f33e7d4c61e30705f747
SHA3-384 hash: 03ee33b4c031c271f1934916abd86407da2963636254f362949db3e23aedf4e1e0aeb7d7f21bc0f90f123ab3e109e660
SHA1 hash: b6b191e6c6ae182f43041878f3a74d15648df38b
MD5 hash: 62432b875d106aa37c91b0ddc88fd7cd
humanhash: pennsylvania-papa-lima-alabama
File name:SOSi Purchasing Request for Quote Template - 8889.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'091'584 bytes
First seen:2020-08-31 09:26:52 UTC
Last seen:2020-08-31 11:13:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:087IEpX2lQK04adphRnterXZEW2acuxyWGYMATsQgXoTOoFS80lmT9tKUTlHz8Vv:0cAa7jn68acOlGYTQbwilwKyJ86fKaw
Threatray 10'567 similar samples on MalwareBazaar
TLSH 1635CF72D31FCB5DE81872F5203208AD92B3AE55EA34D0C8DD4F70F5767624E60AA94B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: kkj5.gianthosters.com
Sending IP: 23.128.128.2
From: kelly shipp <atif@netpac.com.pk>
Reply-To: info@sosi.com
Subject: Request for Quote (RFQ) No. 8889
Attachment: SOSi Purchasing Request for Quote Template - 8889.img (contains "SOSi Purchasing Request for Quote Template - 8889.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53364/
Detection(s):
SecuriteInfo.com.Generic.mg.62432b875d106aa3.2290.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455142
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279954 Sample: SOSi Purchasing Request for... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 10 other signatures 2->39 7 SOSi Purchasing Request for Quote Template - 8889.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\abJqHdq.exe, PE32 7->21 dropped 23 C:\Users\user\...\abJqHdq.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp1CEE.tmp, XML 7->25 dropped 27 SOSi Purchasing Re...late - 8889.exe.log, ASCII 7->27 dropped 41 Injects a PE file into a foreign processes 7->41 11 SOSi Purchasing Request for Quote Template - 8889.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 SOSi Purchasing Request for Quote Template - 8889.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.otakeqypt.com 11->29 31 us2.smtp.mailhostbox.com 208.91.199.225, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->31 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77557ac716ea8b46905d5188423b22e405f69940b927f33e7d4c61e30705f747/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:13:52 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5kxvryw5kfunec5kgeeeozc4qc7ngkaxet7gpt5jrq6gbyf65dq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'557 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200831-zkqs6sc2je/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77557ac716ea8b46905d5188423b22e405f69940b927f33e7d4c61e30705f747

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

img 7b1a4d228a6c328ce03f2ae67613d074fdeaf195a2c545b791364c779ef5271f

AgentTesla

Executable exe 77557ac716ea8b46905d5188423b22e405f69940b927f33e7d4c61e30705f747

(this sample)

  
Dropped by
MD5 e97ef95ecc2b2dec00b260a7ae4570f3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53364/
  
Dropped by
SHA256 7b1a4d228a6c328ce03f2ae67613d074fdeaf195a2c545b791364c779ef5271f

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