MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a4ac915ba6f8c018081c160cd3bf260b2b96d9d4f9a0505398e2aff62b09318. 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: 0a4ac915ba6f8c018081c160cd3bf260b2b96d9d4f9a0505398e2aff62b09318
SHA3-384 hash: c260a1d237af0920b052ad8ed911fc3a7c2cb5dd4b61c9daff6c93e3290a393eecbc3bca78f4b0e3ec1c9f15c160f519
SHA1 hash: df27c2db60b93ecafcd6b6e497e0236e6aa5201a
MD5 hash: 3479962882434b33203aa7efa4a8f7d3
humanhash: shade-shade-cup-eight
File name:Invoice 000852.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:677'888 bytes
First seen:2020-07-06 06:34:34 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 6144:H//gCiIfdoFYKTtL8A84a4OG/FcLSKotSxSb79BULgwEMV4Z7jOdO:wCzUYK5s4azGNcLmtPBULDYg
Threatray 10'664 similar samples on MalwareBazaar
TLSH D0E407287B56AC16D93D053980AA4AD0B6B0E1873B11C70F76CA976C5F1369F3B0A3D6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sunucu.soholine.com
Sending IP: 77.223.142.192
From: "CHUNHUA 王秀英Wang Xiu Ying" <shvape@163.com>
Subject: FW : Payment against Invoice No
Attachment: Invoice 000852.pdf.xz (contains "Invoice 000852.pdf.exe")

AgentTesla SMTP exfil server:
smtp.hostnet.nl:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20829/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0a4ac915ba6f8c018081c160cd3bf260b2b96d9d4f9a0505398e2aff62b09318/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 06:36:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjfmsfn2n6gadaebyfqm2o7smczls3m5j6nakbjzryvp6yvqsmma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'654 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200706-kwp99w5sds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Loads dropped DLL
Executes dropped EXE
AgentTesla
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 0836fcf780ad598756f435dd3995c7354304d31aac6e1c3d419c614e549ba3f5

AgentTesla

Executable exe 0a4ac915ba6f8c018081c160cd3bf260b2b96d9d4f9a0505398e2aff62b09318

(this sample)

  
Dropped by
MD5 fabb30a61279c9b58176cdae16a53309
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0836fcf780ad598756f435dd3995c7354304d31aac6e1c3d419c614e549ba3f5
Cape
Cape
https://www.capesandbox.com/analysis/20829/

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