MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05c145b6410525b3e099f43e8343f5e231afc4281aa95f10223b1598ad8c175b. 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: 05c145b6410525b3e099f43e8343f5e231afc4281aa95f10223b1598ad8c175b
SHA3-384 hash: 0dedad090bb8a6153284ca5c95c27618be781d1be96bc603c495c2ae66ae985ef27bb467d648322b256ae786589200b2
SHA1 hash: 52af4582f66a392b9d0a5a078bccce06304c33da
MD5 hash: ca391f3a3366cf220d17afbbefe8c3b3
humanhash: uncle-indigo-missouri-wolfram
File name:shipping documents.exe
Download: download sample
Signature AgentTesla
File size:579'584 bytes
First seen:2022-07-21 05:27:41 UTC
Last seen:2022-07-25 09:10:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1ODP0uqT2iNJlTzB2+QbvXOwP3Av5DB++3Ux8gCQo4:M4T1N4+QjXTO4+kxs
Threatray 18'247 similar samples on MalwareBazaar
TLSH T11BC4E054F6C6C22DF4FBCB7C0BF4A43577F5E5129605E4BA2EA01E8E0662FC88542972
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670844 Sample: shipping documents.exe Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 13 other signatures 2->59 7 shipping documents.exe 6 2->7         started        11 yqWDN.exe 4 2->11         started        14 yqWDN.exe 3 2->14         started        process3 dnsIp4 39 C:\Users\user\AppData\...behaviorgraphnpKimsglZqWwP.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmpE5BD.tmp, XML 7->41 dropped 43 C:\Users\user\...\shipping documents.exe.log, ASCII 7->43 dropped 73 Injects a PE file into a foreign processes 7->73 16 shipping documents.exe 2 5 7->16         started        21 schtasks.exe 1 7->21         started        23 shipping documents.exe 7->23         started        51 192.168.2.1 unknown unknown 11->51 75 Multi AV Scanner detection for dropped file 11->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->77 79 Machine Learning detection for dropped file 11->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->81 25 yqWDN.exe 2 11->25         started        27 schtasks.exe 1 11->27         started        file5 signatures6 process7 dnsIp8 45 bulkon.co.ke 198.23.62.72, 49754, 49760, 587 STEADFASTUS United States 16->45 47 mail.bulkon.co.ke 16->47 33 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 16->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 16->35 dropped 37 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 16->37 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->61 63 Tries to steal Mail credentials (via file / registry access) 16->63 65 Modifies the hosts file 16->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->67 29 conhost.exe 21->29         started        49 mail.bulkon.co.ke 25->49 69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 31 conhost.exe 27->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-21 03:32:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 26 (88.46%)
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 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
Checks computer location settings
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
Unpacked files
SH256 hash:
3277a30a4090d2bdbd700bce4e26110345138f8ca03ee90454d0975fd65a57e1
MD5 hash:
766caae44a1bfa1cf8c07454e716cdd4
SHA1 hash:
fcc7bcbbf9d5f3fdc60be0ecc77eacc8692b22ef
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
5af447500eccb9464f474f76d3bb1c03f1afd6b7eac607401f001a8cac636c43
MD5 hash:
544e2d60a035cc5da6b3f83855afe444
SHA1 hash:
d82bd2543b241e650739dbc347b8f33972da23ba
SH256 hash:
05c145b6410525b3e099f43e8343f5e231afc4281aa95f10223b1598ad8c175b
MD5 hash:
ca391f3a3366cf220d17afbbefe8c3b3
SHA1 hash:
52af4582f66a392b9d0a5a078bccce06304c33da
Malware family:
AgentTesla.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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 05c145b6410525b3e099f43e8343f5e231afc4281aa95f10223b1598ad8c175b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments