MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1778b4170b77273169de41fc982bf9da4f675504f7aee4011aad350ba8af9072. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1778b4170b77273169de41fc982bf9da4f675504f7aee4011aad350ba8af9072
SHA3-384 hash: 045e5877222f0a43631ef7ce930fd74bf5fd4f2c56129123f95220717f27e9673534ba4063b6eceeb36f64d213d40350
SHA1 hash: d61e6e23b568a71132058c6cb9675dc915207ecb
MD5 hash: ebaac5614a9114349de79d66a3d3df1a
humanhash: oranges-nevada-sierra-juliet
File name:ebaac5614a9114349de79d66a3d3df1a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:719'360 bytes
First seen:2020-08-06 08:31:21 UTC
Last seen:2020-08-06 13:25:29 UTC
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:gP3Svi9exX6D8BaAlJcdZmij+KYio2quz5ahgrpiAIE8X8Py:NsexK8aaeZm2qCc+QA
Threatray 10'671 similar samples on MalwareBazaar
TLSH D9E48C0035787BA5D4E82EB5AEAF284C0EE4DED26D0DDE864F42F8B415B27A14DF3911
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40430/
Detection(s):
SecuriteInfo.com.Generic.mg.ebaac5614a911434.8622.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412681
Signature
.NET source code contains potential unpacker
Found malware configuration
Installs a global keyboard hook
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: MSBuild connects to smtp port
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258610 Sample: zr3r7aSkQk.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 Yara detected AgentTesla 2->36 38 7 other signatures 2->38 7 zr3r7aSkQk.exe 7 2->7         started        process3 file4 22 C:\Users\user\AppData\...\fQzXuchvRineAE.exe, PE32 7->22 dropped 24 C:\...\fQzXuchvRineAE.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\...\tmp4D01.tmp, XML 7->26 dropped 28 C:\Users\user\AppData\...\zr3r7aSkQk.exe.log, ASCII 7->28 dropped 10 MSBuild.exe 2 7->10         started        14 MSBuild.exe 7->14         started        16 schtasks.exe 1 7->16         started        18 MSBuild.exe 7->18         started        process5 dnsIp6 30 mail.privateemail.com 198.54.122.60, 49725, 587 NAMECHEAP-NETUS United States 10->30 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->40 42 Tries to steal Mail credentials (via file access) 10->42 44 Tries to harvest and steal ftp login credentials 10->44 50 2 other signatures 10->50 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->48 20 conhost.exe 16->20         started        signatures7 process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1778b4170b77273169de41fc982bf9da4f675504f7aee4011aad350ba8af9072/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 08:33:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c54lifylo4ttc2o6ih6jqk7z3jhwovie66xoiai2vu2qxkfpsbza._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
+ 10'661 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/200806-n8pwvb6bee/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1778b4170b77273169de41fc982bf9da4f675504f7aee4011aad350ba8af9072

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.

Web download

AgentTesla

Executable exe 1778b4170b77273169de41fc982bf9da4f675504f7aee4011aad350ba8af9072

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/426023/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/40430/

Comments