MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 962c2cf22d64fd5c216006ac6ecc6bd0e7fa9fa24e8c471695dc84b25b985c7d. 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: 962c2cf22d64fd5c216006ac6ecc6bd0e7fa9fa24e8c471695dc84b25b985c7d
SHA3-384 hash: 5ed0849f4620e46c968656bccb86aab5ef74badf889433fe37d59593e6f7466eeee7fde0ad682b37efe1484dcb9b657a
SHA1 hash: 21c41b729ad8885daf844c1eee4d64875492c7f0
MD5 hash: 545d6ca59a543d6cb84ee0e1049e7af3
humanhash: mirror-west-princess-nitrogen
File name:inquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:482'816 bytes
First seen:2020-08-06 05:50:55 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:uP3SMt6grpiAy8AZtC1HMpwAPYcY/FbPq7AadR1kO7vOeSJ:0tXQAxAb44wAKadRPeJ
Threatray 10'657 similar samples on MalwareBazaar
TLSH 11A4E088379D6BA6C9FD5FF9824C348003B87D62EE11F3989E8070F61673B80C5A565B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: penascop.com
Sending IP: 95.211.208.41
From: benyapa Nattapong<jayusman@penascop.com>
Subject: URGENT INQUIRY
Attachment: inquiry.cab (contains "inquiry.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40082/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
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/412155
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 258328 Sample: inquiry.exe Startdate: 06/08/2020 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 Sigma detected: Scheduled temp file as task from temp location 2->37 39 6 other signatures 2->39 7 inquiry.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\nDeVpUFo.exe, PE32 7->21 dropped 23 C:\Users\...\nDeVpUFo.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpD86B.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\inquiry.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 47 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->47 11 inquiry.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 inquiry.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.ociii.net 11->29 31 us2.smtp.mailhostbox.com 208.91.199.224, 49751, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/962c2cf22d64fd5c216006ac6ecc6bd0e7fa9fa24e8c471695dc84b25b985c7d/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 02:23:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sywcz4rnmt6vyilaa2wg5tdl2dt7vh5cj2geofuv3sclew4ylr6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
22a420112c97f94c87b2efa2e1d3b46d6f91655c1a86a6b6a1cd94e3e43259af
AgentTesla
407dbe5863d155a141aec5b500637d794275bf0680e2c8ca34e99f56a28f11a9
AgentTesla
469d5a8aa26b60c5f3234e2124fcda7a61b3accf4011373b32b49cff2cda745a
AgentTesla
5c6d005bb7bd065341b432bf6a27117c76115e18ae10fd21906759d05d05f733
AgentTesla
684c2ac7c5d08c046fd4907cc4466827dc01fdd403ff7bbd64c5aa247884ac74
AgentTesla
77bbe59685fd4ba30b0f14c6471ba479adbe790de6499c7ea2370b2055fcc9c3
AgentTesla
968bef9303261890912cbde7737195a73c2d8892457c3cc8a327008effb4e8c9
AgentTesla
a41851a6ade9f88136829a392e1ac11e0e06c21a25fdd0e3961a347d28204608
AgentTesla
aa4fad19caeb7d4d9abd68155eee268619442c6cfc8a69c2bc337dd4efdf4b4d
AgentTesla
b76ab295c0146b7ef4cdccf4056a85688ed860fc65c8b8b7121ad8fc9a555021
AgentTesla
+ 10'647 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200806-3ya9wn813n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
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
Malware family:
AgentTesla.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/962c2cf22d64/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/962c2cf22d64fd5c216006ac6ecc6bd0e7fa9fa24e8c471695dc84b25b985c7d

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

cab 25d9a66dc2e65e73ec820439cb7402be16a21783e5b8cdcbc83241de088d4f11

AgentTesla

Executable exe 962c2cf22d64fd5c216006ac6ecc6bd0e7fa9fa24e8c471695dc84b25b985c7d

(this sample)

  
Dropped by
MD5 71e5b8eb92d23958a76c7c52db971141
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40082/
  
Dropped by
SHA256 25d9a66dc2e65e73ec820439cb7402be16a21783e5b8cdcbc83241de088d4f11

Comments