MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62
SHA3-384 hash: 890599101ceb65829d47187c1b326d985c3881c1d1c3086d50c32fbb672e4601701e353cb89e56593f8e6ff301d2f010
SHA1 hash: a282713aa5f086efa5b1acbef2b17c9e8faf7af4
MD5 hash: eaa461707107d984bef65c2440be4bab
humanhash: maine-carbon-sink-autumn
File name:JW50941PI,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:892'928 bytes
First seen:2020-08-17 13:44:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:+S1QbvgWK5WpLilyahZZ+AFzCYR0P5nW36H1:LQbvxaWAlyqJZ32
Threatray 10'628 similar samples on MalwareBazaar
TLSH AB1506393AC26C14D83C153160B895D17371B28A7E81CF6FAACB87DDAE0369F2B5605D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: folla.com
Sending IP: 155.94.136.61
From: hazel@folla.com
Subject: RE: Fardin Rezaie / final order list
Attachment: JW50941PI,pdf.xz (contains "JW50941PI,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47027/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/433586
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 269149 Sample: JW50941PI,pdf.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 60 35 Yara detected AgentTesla 2->35 37 Sigma detected: Add file from suspicious location to autostart registry 2->37 39 .NET source code contains very large array initializations 2->39 41 Tries to detect virtualization through RDTSC time measurements 2->41 7 JW50941PI,pdf.exe 9 2->7         started        11 pcalua.exe 1 1 2->11         started        13 pcalua.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\chromee.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->29 dropped 31 C:\Users\user\...\chromee.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 7->33 dropped 45 Tries to detect virtualization through RDTSC time measurements 7->45 15 chromee.exe 3 7->15         started        18 cmd.exe 1 7->18         started        signatures5 process6 signatures7 47 Writes to foreign memory regions 15->47 49 Allocates memory in foreign processes 15->49 51 Injects a PE file into a foreign processes 15->51 20 InstallUtil.exe 2 15->20         started        22 reg.exe 1 1 18->22         started        25 conhost.exe 18->25         started        process8 signatures9 43 Creates an autostart registry key pointing to binary in C:\Windows 22->43
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 06:36:31 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tauxgbr25dvh3pumw5lub57jsml67s2govpfdsea6lrqh3knlzra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'618 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
agilenet keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200817-b1s3pdkg3a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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/982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62

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 eeb657c996085b9dfa34b7d7c649f03d8106111ab537058cb2fad15fa4512bcd

AgentTesla

Executable exe 982973063ae8ea7dbe8cb75740f7e99317efcb46755e51c880f2e303ed4d5e62

(this sample)

  
Dropped by
MD5 2c7f0deb853f41ed8a2c66f4438e9b13
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47027/
  
Dropped by
SHA256 eeb657c996085b9dfa34b7d7c649f03d8106111ab537058cb2fad15fa4512bcd

Comments