MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c. 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: b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c
SHA3-384 hash: de1d98c1edbcc1b0de7f194a1eff0d9f35a7f8ffc219228fbbc012abc7d1f9fc9af079ddae0aa4db1d523151e75b9d72
SHA1 hash: bbcd92e32c9ffe04d668dd6200dd645fd93be978
MD5 hash: dfadab52cd16c2cfd1863035e49c4f73
humanhash: black-ohio-jupiter-romeo
File name:60,400.00 usd Outstanding Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:653'312 bytes
First seen:2020-08-18 19:27:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vltTpfZbUywSCuHRj5RRlt7UVJzzQJh/v5e0u6:NlDwSCuHRFAJzmh/v5e0u6
Threatray 10'619 similar samples on MalwareBazaar
TLSH 17D4F2333290DB04D6BA5735CC99614503F9B807BA51DB7DBDDC227D0A21BA64B22BCB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: zpcir.com
Sending IP: 185.222.57.207
From: Sahar Hosseinii <s.hosseinii@zpcir.com>
Subject: FW: 已读: Outstanding Invoice
Attachment: 60,400.00 usd Outstanding Invoice.xz (contains "60,400.00 usd Outstanding Invoice.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48049/
Detection(s):
Sanesecurity.Rogue.0hr.20200818-0008.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 00:23:17 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtv72ebzsnderf5surmtr3nqd7wc5cl47dcgkafqwyteuv4sr6oa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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82b29aea19d46b3da79de8efa015b73dd3589353e16b73579820ab8a1a0ec077
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AgentTesla
+ 10'609 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200818-hp7d17ma66/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c

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

xz 762d163a3de6d5efab66a4a651cfab45d97a57cc4d814ab02a35f2d90db9a810

AgentTesla

Executable exe b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c

(this sample)

  
Dropped by
MD5 60ed5143736b6a1bd044ebb72dc4fffa
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48049/
  
Dropped by
SHA256 762d163a3de6d5efab66a4a651cfab45d97a57cc4d814ab02a35f2d90db9a810

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