MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a0444f9332166e0be0842c021a25619da80b968d1f84ca08031c8470091561a. 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: 1a0444f9332166e0be0842c021a25619da80b968d1f84ca08031c8470091561a
SHA3-384 hash: e4d7cd0de2698a23efcb990125cd0703e9732abe6d6f4022739e6a28722da3e77a5889b28c5b13d939012e8f8eb34ea5
SHA1 hash: a1f9fafc5525f977cf86aeea3523181227b8bacd
MD5 hash: 79d1b8f699aa2e01c2dad52a3ac0f3fe
humanhash: earth-wisconsin-foxtrot-twenty
File name:ΣΥΜΒΑΣΗ ΠΡΟΜΗΘΕΙΑΣ Νο.4500005063.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:666'112 bytes
First seen:2020-08-04 06:27:44 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 6144:1usHAgbCa8sGQTk1daIipLgsjdA1g1WkOdht46dfqJHg3nrOtJ35mlpYvd++p0:1LHX8kTk3iWGtnI74CS335BF
Threatray 11'018 similar samples on MalwareBazaar
TLSH F9E42A393E479906D63C0A3244E46AD1B7B56D4A3F11CB0F3AC6379C6E232DB760625E
Reporter abuse_ch
Tags:AgentTesla exe geo GRC


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: accounting@hartsas.gr
Subject: ΣΥΜΒΑΣΗ ΠΡΟΜΗΘΕΙΑΣ Νο.4500005063
Attachment: ΣΥΜΒΑΣΗ ΠΡΟΜΗΘΕΙΑΣ Νο.4500005063.img (contains "ΣΥΜΒΑΣΗ ΠΡΟΜΗΘΕΙΑΣ Νο.4500005063.exe")

AgentTesla SMTP exfil server:
mail.infotaxis.tk:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38171/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a 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:
63 / 100
Link:
https://www.joesandbox.com/analysis/408635
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Add file from suspicious location to autostart registry
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256553 Sample: 00005063.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 63 32 Yara detected AgentTesla 2->32 34 Sigma detected: Add file from suspicious location to autostart registry 2->34 36 .NET source code contains very large array initializations 2->36 7 00005063.exe 7 2->7         started        10 pcalua.exe 1 1 2->10         started        12 pcalua.exe 1 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\...\spartan.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->28 dropped 30 C:\Users\user\...\spartan.exe:Zone.Identifier, ASCII 7->30 dropped 14 spartan.exe 3 7->14         started        17 cmd.exe 1 7->17         started        process5 signatures6 44 Writes to foreign memory regions 14->44 46 Allocates memory in foreign processes 14->46 48 Injects a PE file into a foreign processes 14->48 19 InstallUtil.exe 2 14->19         started        22 reg.exe 1 1 17->22         started        24 conhost.exe 17->24         started        process7 signatures8 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->40 42 Creates an autostart registry key pointing to binary in C:\Windows 22->42
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a0444f9332166e0be0842c021a25619da80b968d1f84ca08031c8470091561a/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 06:29:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dicej6jteftobpqiilacdiswdhniboli2h4ezieagheeoaerkyna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2b1b0832a94d3e2a53b597aab9a04130dfaca6dfcbb7dd43f2a6aff5a836ba98
AgentTesla
3ddfcc0ce0a57e7f3131d0ba603d6516f00c6cf94f67e79ab38a7e8f922f74bc
AgentTesla
3de5c485f705f1cdf6088142033fb366aafa369044f74cf5a01a8c3517daa831
AgentTesla
5b93980a4505da90bed78a71e9d746bf2655f7da4c08d8dade7962e1c8766aaf
AgentTesla
715de4488b8f1a697672312f7a67c075c982d3a14cf2614dfb549b995dc34cbb
AgentTesla
91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2
AgentTesla
bcfe28b074cc1d9b0fb7896ee3eb4d28c240bee33cb76578f0f9f1ef90ab92e6
AgentTesla
c507c7098b6b3e24a6f84486d8b9e301f154a0227f51a0b2cc28a0ed767e6469
AgentTesla
dc8afb659ee0ae568f793bd02e3368b9c8d9af5c3b82fae9ed0ddb8e3908aada
AgentTesla
f8166c3c857a7a3ba99515cf6ae242a78050fba7608e24a88e2559e0063a187a
AgentTesla
+ 11'008 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200804-kfp17bj76a/
Behaviour
Agenttesla family
AgentTesla Payload
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/1a0444f9332166e0be0842c021a25619da80b968d1f84ca08031c8470091561a

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

img b2937616e17ebb3362f67e8d4494d1dd69249d20be305d6eea54052d7a9b9a17

AgentTesla

Executable exe 1a0444f9332166e0be0842c021a25619da80b968d1f84ca08031c8470091561a

(this sample)

  
Dropped by
MD5 8a8daa8a67282b516bc692c50776ca98
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38171/
  
Dropped by
SHA256 b2937616e17ebb3362f67e8d4494d1dd69249d20be305d6eea54052d7a9b9a17

Comments