MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771e1fa33b07cab386e1c9ca1a6a264a68bfbcd1b17fa4252a836ac4cd165e0d. 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: 771e1fa33b07cab386e1c9ca1a6a264a68bfbcd1b17fa4252a836ac4cd165e0d
SHA3-384 hash: 8c654c15d9f994f900f05f0b2ee59b8b6a899d40911b9fa6c4081bfa7e81bcbac533c5a7c2b17c54625336294a8e689a
SHA1 hash: f4ed9d6c21a28df243a407b975dbca59f5c080c5
MD5 hash: 8809fa44e5be341462fc2afb6f2be540
humanhash: mockingbird-leopard-william-mobile
File name:9800667899009834.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:375'296 bytes
First seen:2020-07-13 05:24:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:Fm2oi+zcykrFmLcEKp1lt6VMugnjvgLGt+G/ULK2hvDQ/PUZpGXapIxY:Fm29ZmLcEKp56VuTkGtx/ULK2hvLM2
Threatray 11'319 similar samples on MalwareBazaar
TLSH 678401E2BF9D037BFF9516B97D066307D332D52A6404FB891BC9FBA46C9A34011096E2
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24939/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/771e1fa33b07cab386e1c9ca1a6a264a68bfbcd1b17fa4252a836ac4cd165e0d/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-12 14:28:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4pb7iz3a7flhbxbzhfbu2rgjjul7pgrwf72ijjkqnvmjtiwlygq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
139e9e6a7ac4dc481a607e50424d76e1de880282f8e7d151f068afdbe5b9ca61
AgentTesla
23f373877f7e464405b857ef0c110f08a037d6750c3af4b60c16dc709b569c27
AgentTesla
2b0344ec35cc03c39de0c672f1f1a9348ea0cdf264c06864f03a81fe480c8ecf
AgentTesla
5b35fd125611765dd39be84eabf7e934803ddd4d6b3808794f86d0829378d393
AgentTesla
5c40758ef7c9cbb372474f06bf50315669d361634026e9f5cadb4fd73d974184
AgentTesla
634b35f814ecb44977e2e9f0e34d83ad96d336ccc87bdecf703f1e0c44a2c69c
AgentTesla
7bbd309348415b8b286f9dba1ba5b5cd0b3be035a2c2c0148897e9354508c868
AgentTesla
b29ff9fce5bc6dd416237a90d0c64e0b55b145f7a666152966318857ca12e921
AgentTesla
ed1aa53c89a6250abd5ec84f8458338150b89ba617d4ca9b8d1583658a2b44ef
AgentTesla
f062e3eac455d88a826859c5923aa4f64b5741b1826f62043eefcd157947a1cf
AgentTesla
+ 11'309 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200713-enesze7s86/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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
Malware family:
AgentTesla.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/771e1fa33b07/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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

zip e8ec9b146bdb65e0dca1c02a44798d050033f6b0d867e6859f534df8e0fc20d2

AgentTesla

Executable exe 771e1fa33b07cab386e1c9ca1a6a264a68bfbcd1b17fa4252a836ac4cd165e0d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e8ec9b146bdb65e0dca1c02a44798d050033f6b0d867e6859f534df8e0fc20d2
Cape
Cape
https://www.capesandbox.com/analysis/24939/

Comments