MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8378f3853a3fbb5a5e7cdd2fd81ac767f8798ef68951b75adb1fa6c13a34cf4. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8378f3853a3fbb5a5e7cdd2fd81ac767f8798ef68951b75adb1fa6c13a34cf4
SHA3-384 hash: 81f7253499e2376200c33b47443387331dbdd6e0c0f03a726f855cf2fe2fc7d446b0222f2b042c24cad0b910d918963e
SHA1 hash: ccfb27760ec2376f68b6c7b5da07de933af6e76b
MD5 hash: 87f50fca79852562daf428fd14324f4e
humanhash: massachusetts-xray-burger-mango
File name:MV MOUNT AUSTIN.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'073'664 bytes
First seen:2020-09-09 06:01:47 UTC
Last seen:2020-09-09 06:41:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:z4Gx6u6t7803RQOKqgIMjqDvHXDnnBy0us3IkigspyxSct:zI1qOtghjqTHjEGPSct
TLSH 0335BE9D3610B2FFC86BD4729EA85CA5EB1474BB871F4213A12716BD9A0D887CF141F2
Reporter Anonymous
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/58047/
Detection(s):
SecuriteInfo.com.Artemis87F50FCA7985.10060.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8378f3853a3fbb5a5e7cdd2fd81ac767f8798ef68951b75adb1fa6c13a34cf4/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-09 05:59:37 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa3y6octup53ljphzxjp3anmoz7ypghpnckrw5nnwh5gye5djt2a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200909-msdx7gcgvs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8378f3853a3fbb5a5e7cdd2fd81ac767f8798ef68951b75adb1fa6c13a34cf4

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/58047/

Comments