MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45d2b537d6257e582b1a4acc8d914abb211a4c75241740c21679f10e2c8c8d76. 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: 45d2b537d6257e582b1a4acc8d914abb211a4c75241740c21679f10e2c8c8d76
SHA3-384 hash: 576b17ffbb40b1606aefb4b93c472c99b6c2a5298d8bed35eba1dbb2df54c076dc74a3ff643c11dbeeeac93a744b32d3
SHA1 hash: e7443f16241593040cd178c07bf9cfdc51e13cb3
MD5 hash: d4a7b13705b75747cf70958fbf189804
humanhash: saturn-harry-princess-snake
File name:RFQ_072-756.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:569'344 bytes
First seen:2020-07-21 06:35:29 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 6144:7MHzIzvXUSyRw6TBdVOzEEn0dCEkxk2JXmJE83n57g3Qnm7DoJj7kDD9Ag53gmOq:tIuLqW/XmJZ9gfPL9AgSmOM7BRx
Threatray 10'622 similar samples on MalwareBazaar
TLSH 14C49B40D7F88ADAE7BA57BDE470004087B5B51AA7EAE3595B90F0E91C22751CB03F63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.itrad3r.com
Sending IP: 45.144.2.254
From: "M. SAHUBAR SATHIK" <sahtik@elgm.ae>
Subject: REQUEST FOR QUOTATION
Attachment: RFQ_072-756.gz (contains "RFQ_072-756.exe")

AgentTesla SMTP exfil server:
mail.actionassist.co.uk:587

AgentTesla SMTP exfil email address:
sales@actionassist.co.uk

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/29712/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392528
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248459 Sample: RFQ_072-756.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 27 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->27 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 5 other signatures 2->33 7 RFQ_072-756.exe 9 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\dKGxhaJ.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpCB21.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\RFQ_072-756.exe.log, ASCII 7->23 dropped 35 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 11 RFQ_072-756.exe 10 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 mail.actionassist.co.uk 88.214.193.195, 49719, 49720, 587 NATCOWEBUS United Kingdom 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45d2b537d6257e582b1a4acc8d914abb211a4c75241740c21679f10e2c8c8d76/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 06:37:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ixjlkn6wev7fqky2jlgi3ekkxmqrutdveqlubqqwphyq4lemrv3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5df080a145c2dd20f01dcb463efbc7fc1fc1c5bb61567b972c8b4ceb62338088
AgentTesla
671759b97f6889b6732fb377b5af7ccc9df5e8769c2aa07a371caab68c5639fd
AgentTesla
8ee4be1165d1e195defb89faee6746304f38293aac4f59d332408e3bff243822
AgentTesla
92d2689159c5984751e67f61486e25a8f66921d372249af5ac22078cf22c8be9
AgentTesla
946cdeba80da84a83af805ec82e7f07819ed853356d1d546be0c5ac28b5f70d4
AgentTesla
9b8bfd519d8bbe5a7c285f61c73abef27b4e18a22076d036698ec943b5e61c01
AgentTesla
9f56641fa34365d546b70d51aa82899b863a4781a3e51f6e78c62fa198472a79
AgentTesla
a78239b17de3eac55e5fcbeceefdd2fe78f76888a2639f54024232b4dcda394c
AgentTesla
ac0b86bf664770295ad2de9a46edabc374040a467471a61fdac436d52e451964
AgentTesla
da7ce8060ef04b847aeb11d727b9d8fad9526dc3314adce4ffa5e0b597ac5547
AgentTesla
+ 10'612 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-9j7pledjes/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/45d2b537d6257e582b1a4acc8d914abb211a4c75241740c21679f10e2c8c8d76

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

gz a7bddc744c6600f590005f91f7b06090ee4ad39f6b0db20b1de7c529bd351bcc

AgentTesla

Executable exe 45d2b537d6257e582b1a4acc8d914abb211a4c75241740c21679f10e2c8c8d76

(this sample)

  
Dropped by
MD5 18cae37b39c472c9f37165799fa45fd0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29712/
  
Dropped by
SHA256 a7bddc744c6600f590005f91f7b06090ee4ad39f6b0db20b1de7c529bd351bcc

Comments