MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21e9d72d37a2bb09edd9e49e1751c766cfc86109bed201cb2026e111f3e1b56. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: a21e9d72d37a2bb09edd9e49e1751c766cfc86109bed201cb2026e111f3e1b56
SHA3-384 hash: 3f1f7e06777d1e9fd6a1c9520a1d54595b64049fcbdc401a62834bab135a532ae6c33297eac7bf41115abd92cd8f3ef5
SHA1 hash: a8c156648b5ab047a1fb9228f19ae45be853f477
MD5 hash: a53eb53cfa01d885fdd6e04fb81aab5b
humanhash: idaho-jig-four-oklahoma
File name:EPDA.exe
Download: download sample
Signature AgentTesla
File size:1'366'528 bytes
First seen:2022-01-12 07:17:01 UTC
Last seen:2022-01-12 15:39:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:g1AsYtNs9g/UgBIUZ9+hcC2EnTde1ufOF8nYA:g1ADtmbamTA1umk
TLSH T12455649D329072DFC8A7C9B2DEA81C65EBA0747B831B8207A01715AD9D4DD97CF181F2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
8
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EPDA.exe
Verdict:
Malicious activity
Analysis date:
2022-01-12 07:19:17 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
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 551432 Sample: EPDA.exe Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 8 other signatures 2->56 7 EPDA.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\jYKmbrRVdCWm.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp672C.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\Local\...PDA.exe.log, ASCII 7->36 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 7->58 60 Writes to foreign memory regions 7->60 62 Injects a PE file into a foreign processes 7->62 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 ipm.mx 162.251.85.134, 49814, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 40 mail.ipm.mx 15->40 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-12 04:51:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
23 of 40 (57.50%)
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
18a6aa178ba193ccbe158f608969bce2cf477c6858ba93bc5ad83df1afec42d2
MD5 hash:
816c5790904cc12b57a3cc4d2830c4e7
SHA1 hash:
d3ea4fbf53923ea5dfed9b65e4ace9f7d911174d
SH256 hash:
fbbf5e48d374e63f02d959007b1bed0b685b899e8aa495cdb9e416fdae6f87b7
MD5 hash:
d7488892a50afb9dd0eaded888aaa4ac
SHA1 hash:
663d83015799f029bb596af0d4ca4794987189b2
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
a21e9d72d37a2bb09edd9e49e1751c766cfc86109bed201cb2026e111f3e1b56
MD5 hash:
a53eb53cfa01d885fdd6e04fb81aab5b
SHA1 hash:
a8c156648b5ab047a1fb9228f19ae45be853f477
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 a21e9d72d37a2bb09edd9e49e1751c766cfc86109bed201cb2026e111f3e1b56

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments