MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdfafb63dc8069a54e16dd951737c2913a3ffc00cef3c9cd8306fadc6036861b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: bdfafb63dc8069a54e16dd951737c2913a3ffc00cef3c9cd8306fadc6036861b
SHA3-384 hash: 1b55ccf3fdf0090b23eed96345f73b81c7b3f8e22875ee8361ac0ae70b1bf06cc77e373fabae5d39a02fdecd7935c81a
SHA1 hash: a3498c28a6e903fa7ce386d6df188f32f61c3110
MD5 hash: fe9cda6aef6d3f2841f1f1d60e70e1dc
humanhash: freddie-india-saturn-item
File name:eEk7hiw84BggNST.exe
Download: download sample
Signature AgentTesla
File size:847'872 bytes
First seen:2021-11-22 04:24:10 UTC
Last seen:2021-11-23 07:44:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:G8OF+HRZjhoWPInFlJWfVhinXz2E35DUuiLnur0KepVxBGtmNWKxTwEAmD:/gnPJo0XH5DUuiLnm0KepstLKxs
Threatray 12'870 similar samples on MalwareBazaar
TLSH T1AF055B307295A396CC764BB40C6461C423377E493D18D75EA8C9329E6D72F2B8B237A7
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eEk7hiw84BggNST.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 04:27:26 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Gathering data
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Modifies the hosts 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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526028 Sample: eEk7hiw84BggNST.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Yara detected AgentTesla 2->62 64 5 other signatures 2->64 7 eEk7hiw84BggNST.exe 7 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\iUucoc.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp4C18.tmp, XML 7->46 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 72 Adds a directory exclusion to Windows Defender 7->72 15 eEk7hiw84BggNST.exe 2 5 7->15         started        20 powershell.exe 23 7->20         started        22 schtasks.exe 1 7->22         started        24 eEk7hiw84BggNST.exe 7->24         started        74 Injects a PE file into a foreign processes 11->74 26 schtasks.exe 11->26         started        28 kprUEGC.exe 11->28         started        30 schtasks.exe 13->30         started        signatures5 process6 dnsIp7 48 mail.belmontedetajo.info 185.92.245.76, 49808, 587 PROFESIONALHOSTINGES Spain 15->48 38 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->38 dropped 40 C:\Windows\System32\drivers\etc\hosts, ASCII 15->40 dropped 42 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->42 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 56 4 other signatures 15->56 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-22 04:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
771a88545bd78c0c26b13bf5458927313960407576a395f542eab2173b0d0522
MD5 hash:
884b6613ed89826a33f9a07279c2e7c8
SHA1 hash:
dda0492e43338027c4afbe8481a9d535877d0355
SH256 hash:
182d747c74362c38838fdd4dab21b51958bae2152cdac8d93b8a92c8289d1923
MD5 hash:
d2b8afb1cebbbdfd28661c2bfd9437ac
SHA1 hash:
17cb1186a120c6afcaa05d027982c55e2895ef3f
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
bdfafb63dc8069a54e16dd951737c2913a3ffc00cef3c9cd8306fadc6036861b
MD5 hash:
fe9cda6aef6d3f2841f1f1d60e70e1dc
SHA1 hash:
a3498c28a6e903fa7ce386d6df188f32f61c3110
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe bdfafb63dc8069a54e16dd951737c2913a3ffc00cef3c9cd8306fadc6036861b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments