MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5acfaa45206fa03fc84c524016caa909e43f04e1c78232060439f354cc6e5ff2. 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: 5acfaa45206fa03fc84c524016caa909e43f04e1c78232060439f354cc6e5ff2
SHA3-384 hash: 14c2121f8ba4ba96339fdab7aa8798ab1d35957013cf02c9c2e342c3b8d589707140fabc7a277670861709f11bfa9036
SHA1 hash: d5ff4fe3e167f1371242b002e650ac90f5b1d244
MD5 hash: f1cc787ae4aeed618f5d0606a70de512
humanhash: oxygen-vegan-freddie-muppet
File name:PRODUCT REQUEST_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:903'168 bytes
First seen:2020-07-16 18:56:06 UTC
Last seen:2020-07-16 20:12:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:+2Ap2k4zUyJGMOcypDKSwdz1JzgUyW94+D7wlzuqRRPJFaA0rQ:lbbOcypZwLdgUyW950
Threatray 11'103 similar samples on MalwareBazaar
TLSH 00154F84250C5C8BFBE98B322452EB306512FF11ADA5DF0ADAF3297666273718B03D71
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.greatdense.xyz
Sending IP: 45.95.169.63
From: Pamela Harrisen <info@greatdense.xyz>
Subject: Product request
Attachment: PRODUCT REQUEST_PDF.iso (contains "PRODUCT REQUEST_PDF.exe")

AgentTesla SMTP exfil server:
mail.bosut.mk:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26999/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.25247.17506.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388802
Signature
Contains functionality to register a low level keyboard hook
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246581 Sample: PRODUCT REQUEST_PDF.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 27 Multi AV Scanner detection for dropped file 2->27 29 Sigma detected: Scheduled temp file as task from temp location 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 5 other signatures 2->33 7 PRODUCT REQUEST_PDF.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\jXbeZtw.exe, PE32 7->19 dropped 21 C:\Users\user\...\jXbeZtw.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpD678.tmp, XML 7->23 dropped 25 C:\Users\user\...\PRODUCT REQUEST_PDF.exe.log, ASCII 7->25 dropped 10 RegSvcs.exe 2 7->10         started        13 RegSvcs.exe 7->13         started        15 schtasks.exe 1 7->15         started        process5 signatures6 35 Tries to steal Mail credentials (via file access) 10->35 37 Tries to harvest and steal ftp login credentials 10->37 39 Tries to harvest and steal browser information (history, passwords, etc) 10->39 41 Installs a global keyboard hook 10->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->45 47 Contains functionality to register a low level keyboard hook 13->47 17 conhost.exe 15->17         started        process7
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5acfaa45206fa03fc84c524016caa909e43f04e1c78232060439f354cc6e5ff2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 10:16:31 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=llh2urjan6qd7scmkjabnsvjbhsd6bhby6bdebqehhzvjtdol7za._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
04d57be00e1edddcfd5cd6088b4eec44591c6f0a5f9e6a13b9f90e66a24ccc25
AgentTesla
0e4ff591eedb98f50e2c527ba034efd0745efaf6de62ba5c3b3317ebe9fbc221
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1d25e50b1c8cefb11b2ecc991be88c017d2cea828110f855e031da595684ceaf
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8210f4c4fedbca54d332df8d9e672cef8a4424695c2ffce581bf526a1537be27
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92d2689159c5984751e67f61486e25a8f66921d372249af5ac22078cf22c8be9
AgentTesla
94213bb74d440f1782526a2a47f1820545963ad6b07aca628718c4e9113649e4
AgentTesla
9b6b2038805b770162eb920f87e9ca06742f72d7b2034883c9b90d41e0c06e93
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a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16
AgentTesla
ed3e93996b60fbaeb82c59f62dc3dcee809b229748ad7772829a8f738e307cbd
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f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b
AgentTesla
+ 11'093 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200716-4nbewvwrsn/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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
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

iso fdee91fa7a9141f9b1a10217f47b2be140e852ae9e149bad48673f8746269b13

AgentTesla

Executable exe 5acfaa45206fa03fc84c524016caa909e43f04e1c78232060439f354cc6e5ff2

(this sample)

  
Dropped by
MD5 655cbf168bceed07d01a62fcfde27d8b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26999/
  
Dropped by
SHA256 fdee91fa7a9141f9b1a10217f47b2be140e852ae9e149bad48673f8746269b13

Comments