MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a02a26b34754f90d08456f2abced2e22e50ad88bd514468326a9f97fc9c56e6c. 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: a02a26b34754f90d08456f2abced2e22e50ad88bd514468326a9f97fc9c56e6c
SHA3-384 hash: 9b2e286f5ff6cb05a5d911058dbcf4d74c9280d5a0a1ccbb78b119544b90627f8560a138fc459313c8d34fab3f8e8b8d
SHA1 hash: ab18b79169645cb82b35f502fa1790ab67c2004e
MD5 hash: 40c908dd57044e8c7ecb688e734b8825
humanhash: wisconsin-golf-red-april
File name:SOA.exe
Download: download sample
Signature AgentTesla
File size:1'255'936 bytes
First seen:2021-08-30 04:27:36 UTC
Last seen:2021-08-30 07:27:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Mw5lyCy7Ehgs7HWy/6JbA9MbYXk4EXudTls/9ZdHr5b7/HJlxFhmfugfkLsbK4H/:N5wxoFDWymdbKk4EXs69Zd
Threatray 9'105 similar samples on MalwareBazaar
TLSH T11845EC3DBD25257BE7BA86F8C4960D4EE69050CB22335DDF42D2A388640B517B6FA31C
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 04:29:46 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
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)
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 473671 Sample: SOA.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 7 other signatures 2->58 7 SOA.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\qzbfAfXmyiECvi.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp8FDA.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 7->40 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 15 SOA.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 70 Injects a PE file into a foreign processes 11->70 22 kprUEGC.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 mail.afciphil.com.ph 216.239.133.246, 49717, 587 OMNISUS United States 15->42 30 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->30 dropped 32 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->32 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 50 4 other signatures 15->50 26 conhost.exe 20->26         started        34 C:\Windows\System32\drivers\etc\hosts, ASCII 22->34 dropped 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-30 00:53:44 UTC
AV detection:
10 of 43 (23.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
c3e528c9ed658179944587670e9a9449551cf04619542ab15caf0e37b1f18146
MD5 hash:
9f2975c5bfe67122e623b5bffb4595e6
SHA1 hash:
b9cc30281e2785497fc5247f3e5f2790bea86af1
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
183e1832c9044af582b0eb6924a6888fb18ccf148b150860a102ca8e685adcde
MD5 hash:
c7cb4e18a436f95588dc02cc6ecc5e05
SHA1 hash:
419adf51fd614c6f1b2f16b19779fa91bbbb7bef
SH256 hash:
a02a26b34754f90d08456f2abced2e22e50ad88bd514468326a9f97fc9c56e6c
MD5 hash:
40c908dd57044e8c7ecb688e734b8825
SHA1 hash:
ab18b79169645cb82b35f502fa1790ab67c2004e
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 a02a26b34754f90d08456f2abced2e22e50ad88bd514468326a9f97fc9c56e6c

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments