MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a15a405e01178f583564d40e2e43a26acb5445cbb7fbbab924fc13f3eda098. 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: 78a15a405e01178f583564d40e2e43a26acb5445cbb7fbbab924fc13f3eda098
SHA3-384 hash: 7f8bf022b898fe6aa110fc74777d82e056be48f670d52afc3158b87d4a1c58548e851ef083c4a8b0be0d90ceb460424c
SHA1 hash: 2b9379a56572bf3e6a1c7e6aaef54876a4670116
MD5 hash: 9d0ecf5009084d5149a1e0769a86d0b9
humanhash: alpha-burger-mississippi-glucose
File name:tiD57vHCdRkIA1a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'208 bytes
First seen:2020-09-23 10:17:47 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:EL+z++rdx15cJJktpAaEdAlpnL6WFzoXWZP2qTXJuSIagYACh:E2Rrdb5cJJ9/ybOUoXWRD7YSIageh
Threatray 9'284 similar samples on MalwareBazaar
TLSH DDF4CE6834A13E1ADBA94B34E215F472C3754A25F652EB94F317A27DA6E03D27C0730B
Reporter Anonymous
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/64789/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Reading critical registry keys
Stealing user critical data
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/473195
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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: 289041 Sample: tiD57vHCdRkIA1a.exe Startdate: 23/09/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 7 other signatures 2->35 7 tiD57vHCdRkIA1a.exe 4 2->7         started        process3 file4 19 C:\Users\user\AppData\...\FjjWHrfDVYl.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\Temp\tmp667.tmp, XML 7->21 dropped 23 C:\Users\user\...\tiD57vHCdRkIA1a.exe.log, ASCII 7->23 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->41 11 tiD57vHCdRkIA1a.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 smtp.yandex.ru 77.88.21.158, 49717, 587 YANDEXRU Russian Federation 11->25 27 smtp.yandex.com 11->27 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 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78a15a405e01178f583564d40e2e43a26acb5445cbb7fbbab924fc13f3eda098/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-22 13:46:13 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcqvuqc6aely6wbvmtka4lsdujvmwvcfzo37xovzet6bh47nucma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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03035f39055dc379e10a3f7a79092877c022272c9fb14116c44bd9d3ed637655
AgentTesla
1a55a181a00b302c127b8871d999942cd3f9b83cfb3172cca4894fbbea1b668f
AgentTesla
2c6aa8d5fd233661b6d8c0130af1a0c63539aae4c05fb03d74859ebeec3b7cc6
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47921bae52d2d80acb35c1f4ca3e55f4608f76f774713d2578115e74537a897a
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4aba472bffc408315c06d8d015ac5241175d6ccfea8c3c04065ba64eccd94cfb
AgentTesla
6bbfcc8b2345c81eb8ee55f1d42517a82bb9e6e59ae0b6b6d89c537ccd2861b6
AgentTesla
8f0e18c3776871c08f5c26a56f3b8edae0cb555d3194e99f581d99beda315bbd
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c0937c88b74ba685b45cd0d8a1330040b094578ceac863e0a6c04fb8f5789c51
AgentTesla
dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
AgentTesla
e752d31909959d7dae2662e2206a123768d5a87952a5f0673630964219697486
AgentTesla
+ 9'274 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/200923-7m9s9qye7a/
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/78a15a405e01178f583564d40e2e43a26acb5445cbb7fbbab924fc13f3eda098

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.

Cape
Cape
https://www.capesandbox.com/analysis/64789/

Comments