MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29428e98741ed026d977e77ca4a6af0c93dd970894d3b2d5cb25703d341a7664. 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
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SHA256 hash: 29428e98741ed026d977e77ca4a6af0c93dd970894d3b2d5cb25703d341a7664
SHA3-384 hash: b31e239760719b0bfbea971b0b5182d2415d3e11ae15ee211f1b45625867f4e99151c3958d236276bc83d701830efb60
SHA1 hash: 3bee7841ac63d4930ae285c898c40cdfa71bccfe
MD5 hash: 44e595ef0f655d1203943e1330c3ae9a
humanhash: triple-mountain-washington-november
File name:350608317BD.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:528'384 bytes
First seen:2020-07-28 10:34:34 UTC
Last seen:2020-07-28 15:55:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:8yYKxCLJcX+wb2s82iAPuL+qlUFQUXywUpDsKX1eG:AKxgcX+wb2Eiy0/q3HYD/4G
Threatray 10'591 similar samples on MalwareBazaar
TLSH 2AB4DF0122555B1FD36B86B83423D1F01227E498EB61DE3B5D9FE0A719E22F979C3227
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33562/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52692.13374.4365.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400093
Signature
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
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: 252424 Sample: 350608317BD.exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 28 Multi AV Scanner detection for dropped file 2->28 30 Sigma detected: Scheduled temp file as task from temp location 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 6 other signatures 2->34 7 350608317BD.exe 7 2->7         started        11 wuapihost.exe 2->11         started        process3 file4 20 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpE1BD.tmp, XML 7->22 dropped 24 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\...\350608317BD.exe.log, ASCII 7->26 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->38 40 Injects a PE file into a foreign processes 7->40 13 350608317BD.exe 2 7->13         started        16 schtasks.exe 1 7->16         started        signatures5 process6 signatures7 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->42 44 Tries to steal Mail credentials (via file access) 13->44 46 Tries to harvest and steal ftp login credentials 13->46 48 Tries to harvest and steal browser information (history, passwords, etc) 13->48 18 conhost.exe 16->18         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/29428e98741ed026d977e77ca4a6af0c93dd970894d3b2d5cb25703d341a7664/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 10:36:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ffbi5gdud3icnwlx456kjjvpbsj53fyistj3fvolevyd2na2ozsa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'581 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200728-9k5eecaaj6/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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/29428e98741ed026d977e77ca4a6af0c93dd970894d3b2d5cb25703d341a7664

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.

a861581fb11596d11cca1e1afc0fa066d996654fd41ed37d19e2f9dc72f3fe3f

AgentTesla

Executable exe 29428e98741ed026d977e77ca4a6af0c93dd970894d3b2d5cb25703d341a7664

(this sample)

  
Dropped by
MD5 e37537f4b376355bda4c3f32468d69d3
  
Dropped by
SHA256 a861581fb11596d11cca1e1afc0fa066d996654fd41ed37d19e2f9dc72f3fe3f
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33562/

Comments