MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17d984aae36806be8dd97d160c9e108bb83024f9edbbeed29d6125247cecd161. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 17d984aae36806be8dd97d160c9e108bb83024f9edbbeed29d6125247cecd161
SHA3-384 hash: 1731787263924234e9e8eea38918836d2697fa0909a2defbcbdf6d77b4abe5f33124ff246304ec06bbbc8853013b31c0
SHA1 hash: 0b80a5504de73ccb76892238474ba8dfffda1581
MD5 hash: c3e90eff4c231fd6d9995d46a202d86b
humanhash: stairway-early-enemy-texas
File name:cCZjn3xkc3gZvlH.exe
Download: download sample
Signature AgentTesla
File size:1'133'568 bytes
First seen:2022-01-21 03:16:58 UTC
Last seen:2022-01-21 13:14:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:yhWOewmjApheoRQWPxjTYQKbCyNoCVub8Yb96XcsrzYDsZRLykgwWqVf:y4tjAzeuQYZKbBPVubFiekgwWqVf
Threatray 13'855 similar samples on MalwareBazaar
TLSH T1B735CFBB21195F59F43F933E433194558BF8A52BE726D2CFBE84A4D74C81B02C726826
File icon (PE):PE icon
dhash icon 6e4c4561b1a4a94d (7 x AgentTesla, 2 x NanoCore, 1 x njrat)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 557416 Sample: cCZjn3xkc3gZvlH.exe Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 5 other signatures 2->51 6 cCZjn3xkc3gZvlH.exe 3 2->6         started        10 NXLun.exe 3 2->10         started        12 NXLun.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\cCZjn3xkc3gZvlH.exe.log, ASCII 6->23 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 14 cCZjn3xkc3gZvlH.exe 2 7 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 19 NXLun.exe 2 10->19         started        21 NXLun.exe 2 12->21         started        signatures5 process6 dnsIp7 31 cargoworldconsol.com 50.87.36.76, 49788, 587 UNIFIEDLAYER-AS-1US United States 14->31 33 mail.cargoworldconsol.com 14->33 35 x1.i.lencr.org 14->35 25 C:\Users\user\AppData\Roaming\...25XLun.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 29 C:\Users\user\...29XLun.exe:Zone.Identifier, ASCII 14->29 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 3 other signatures 14->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-21 01:19:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Modifies data under HKEY_USERS
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
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
Sets service image path in registry
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
167eb3626ca1143941528c6cb0577e4b84a142a39ee9ee45e31f21369b3a6604
MD5 hash:
98ee49c234dd65a5b8337e948d08c93e
SHA1 hash:
c6525238500fbbd0f03d6ee1fa0a55816d905155
SH256 hash:
b930b328b16602ad22ca862b1c4e09d05277794a34dd984a2fbd279f9cacf64f
MD5 hash:
e72b2cb3e133ce515026581e7fa8b0e0
SHA1 hash:
9b533437f6a892e51cb86a77d9066d1df8c5be9b
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
17d984aae36806be8dd97d160c9e108bb83024f9edbbeed29d6125247cecd161
MD5 hash:
c3e90eff4c231fd6d9995d46a202d86b
SHA1 hash:
0b80a5504de73ccb76892238474ba8dfffda1581
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: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 17d984aae36806be8dd97d160c9e108bb83024f9edbbeed29d6125247cecd161

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments