MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 135cadb95d5aa77cde0904370eef7816ef6be0da4cf7f309b37167ee60ec68a7. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: 135cadb95d5aa77cde0904370eef7816ef6be0da4cf7f309b37167ee60ec68a7
SHA3-384 hash: 614f8d40ad1eeb5564c4fb87277ec3b3598aa0a5285ca3d5c163f06a1b3c9d6e7724aec8599e919d32ef7f40e9c9bc75
SHA1 hash: f48d3c839a6a30ec9a6fe47119733505858c39af
MD5 hash: ab8f0e41362d64775c1305dd85bc7412
humanhash: may-johnny-zulu-arizona
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
File size:457'728 bytes
First seen:2021-10-20 09:54:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:5Z99hM4TODBjPKpR+d15PeH7dwGd5bgen7zm626iEL7TfhUdPIz5cRycNUHElRCv:1zM4Tm5IawseG6265LAPBW
Threatray 12'155 similar samples on MalwareBazaar
TLSH T112A4F13C7268DD21FABD4B7B49D48948D37ED8932853DA2E4DD0716D8DC2BE5081A2CB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
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
Executable has a suspicious name (potential lure to open the executable)
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
Machine Learning detection for sample
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 506183 Sample: INVOICE.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 35 x1.i.lencr.org 2->35 53 Found malware configuration 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected AgentTesla 2->57 59 7 other signatures 2->59 7 INVOICE.exe 3 2->7         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 7->29 dropped 14 RegSvcs.exe 2 4 7->14         started        19 RegSvcs.exe 7->19         started        21 RegSvcs.exe 7->21         started        27 2 other processes 7->27 23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        process6 dnsIp7 37 maxsweater.com 192.185.171.218, 49793, 587 UNIFIEDLAYER-AS-1US United States 14->37 39 mail.maxsweater.com 14->39 31 C:\Users\user\AppData\Roaming\...31XLun.exe, PE32 14->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 14->33 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->41 43 Tries to steal Mail credentials (via file access) 14->43 45 Tries to harvest and steal ftp login credentials 14->45 51 3 other signatures 14->51 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->49 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-20 09:50:06 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c2beec5fae9f1999ee148609324a9295fdff82f96fb2778d610a99ad6d435f96
MD5 hash:
d0aa7000e8c8ddc84598f822e244c880
SHA1 hash:
c9365e283a5f1e4b4aa4585f521109b039017e2b
SH256 hash:
41137569b78845a32898c6d895e5118e03f64d61c8e0d598573d455b9f3f9922
MD5 hash:
9a6c328528b34077500fdd7d2b5eaf6f
SHA1 hash:
c1fb6a44bed896599a612d9851b76b2375461b87
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
135cadb95d5aa77cde0904370eef7816ef6be0da4cf7f309b37167ee60ec68a7
MD5 hash:
ab8f0e41362d64775c1305dd85bc7412
SHA1 hash:
f48d3c839a6a30ec9a6fe47119733505858c39af
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 135cadb95d5aa77cde0904370eef7816ef6be0da4cf7f309b37167ee60ec68a7

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments