MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74284d75ec5a248c3e828f240f148fece66ad7375a779a0c14edde6edcf6e058. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74284d75ec5a248c3e828f240f148fece66ad7375a779a0c14edde6edcf6e058
SHA3-384 hash: d024256fdb2dd62667b46c59737f3f0d5ec1b5a49220cb988eb8ebb96f461dd975a6c13a14e74aabc0c33ac57cea564f
SHA1 hash: 00b81e026f4f2c17f3f514c1878dfe88f6b3ea64
MD5 hash: a8fd4294be10f173372de2988987d339
humanhash: lion-kansas-sweet-tennessee
File name:NEW ROM 01-002361_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:491'520 bytes
First seen:2020-07-30 10:43:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3UI2hnVmy0V9R97tf6zMV+6wV7ZrUWRzoTQn:7mmyE9R34/V7ZrUy
Threatray 10'606 similar samples on MalwareBazaar
TLSH 08A402483540F78FC85B8E324CA45D50ABA174378B0BE747AC8727FD999E656CF062A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: de.uitn.com
Sending IP: 148.251.248.181
From: Mohamed shaban <oa05438@mellitahog.ly>
Reply-To: Mohamed shaban <soomla6384@yahoo.com>
Subject: TOP URGENT_NEW ROM: 01-002361
Attachment: NEW ROM 01-002361_PDF.7z (contains "NEW ROM 01-002361_PDF.exe")

AgentTesla SMTP exfil server:
mail.specialmetal.ir:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35502/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
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/403867
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 254231 Sample: NEW ROM 01-002361_PDF.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 59 g.msn.com 2->59 61 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->61 75 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->75 77 Found malware configuration 2->77 79 Sigma detected: Scheduled temp file as task from temp location 2->79 81 9 other signatures 2->81 8 vMsys.exe 5 2->8         started        11 NEW ROM 01-002361_PDF.exe 7 2->11         started        14 vMsys.exe 2->14         started        signatures3 process4 file5 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Machine Learning detection for dropped file 8->85 87 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->87 89 Contains functionality to register a low level keyboard hook 8->89 16 vMsys.exe 2 8->16         started        20 schtasks.exe 1 8->20         started        43 C:\Users\user\AppData\...\&startupname&.exe, PE32 11->43 dropped 45 C:\...\&startupname&.exe:Zone.Identifier, ASCII 11->45 dropped 47 C:\Users\user\AppData\Local\...\tmpD24F.tmp, XML 11->47 dropped 49 C:\Users\...49EW ROM 01-002361_PDF.exe.log, ASCII 11->49 dropped 91 Injects a PE file into a foreign processes 11->91 22 NEW ROM 01-002361_PDF.exe 2 5 11->22         started        25 schtasks.exe 1 11->25         started        27 NEW ROM 01-002361_PDF.exe 11->27         started        29 NEW ROM 01-002361_PDF.exe 11->29         started        31 schtasks.exe 14->31         started        signatures6 process7 dnsIp8 51 mail.specialmetal.ir 16->51 53 192.168.2.1 unknown unknown 16->53 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->63 65 Tries to steal Mail credentials (via file access) 16->65 67 Tries to harvest and steal ftp login credentials 16->67 69 Tries to harvest and steal browser information (history, passwords, etc) 16->69 33 conhost.exe 20->33         started        55 specialmetal.ir 5.144.130.34, 49741, 49744, 587 HOSTIRAN-NETWORKIR Iran (ISLAMIC Republic Of) 22->55 57 mail.specialmetal.ir 22->57 39 C:\Users\user\AppData\Roaming\...\vMsys.exe, PE32 22->39 dropped 41 C:\Users\user\...\vMsys.exe:Zone.Identifier, ASCII 22->41 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->71 73 Installs a global keyboard hook 22->73 35 conhost.exe 25->35         started        37 conhost.exe 31->37         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/74284d75ec5a248c3e828f240f148fece66ad7375a779a0c14edde6edcf6e058/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 10:45:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oque25pmlisiypucr4sa6fep5ttgvvzxlj3zudau5xpg5xhw4bma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'596 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/200730-jt4ds22z6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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/74284d75ec5a248c3e828f240f148fece66ad7375a779a0c14edde6edcf6e058

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

7z e97ebd8f5f78875c971349b680d6b59cd1e255215ffc89f483bf5af25b6c37cc

AgentTesla

Executable exe 74284d75ec5a248c3e828f240f148fece66ad7375a779a0c14edde6edcf6e058

(this sample)

  
Dropped by
MD5 12c343f3d2ae1ec55ca425b5e6333c1b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35502/
  
Dropped by
SHA256 e97ebd8f5f78875c971349b680d6b59cd1e255215ffc89f483bf5af25b6c37cc

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