MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225. 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 3 File information Comments

SHA256 hash: 8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225
SHA3-384 hash: b8258e5f80478ba95d8da85c38106ad5a4ca76e24677b74d7980662b201564da31ce8f16b938aa032c583ee8a7e77690
SHA1 hash: 75e09d1b4f40bea0b068ce79e407ba9b8e8e8ccd
MD5 hash: 07080c3aa5fd6d80e5681275ce15afb9
humanhash: aspen-oklahoma-oven-wyoming
File name:P66 2020 master sheet.xlsx.exe
Download: download sample
Signature AgentTesla
File size:712'192 bytes
First seen:2020-07-23 12:22:41 UTC
Last seen:2020-07-23 12:35:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:mXjfSZcVc/LFh1dSyRw6TBODGwONJP5iJtkKeXhTjGCi0aZVMGT+baPU:JZPVWONGQsCijvU
Threatray 10'722 similar samples on MalwareBazaar
TLSH 79E4B162D3FC65E7E3690778D06202094F647E36ABE6DA5D1761F8F82A72F408713E12
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP 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
Creating a file
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250497 Sample: P66 2020 master sheet.xlsx.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 4 other signatures 2->66 8 P66 2020 master sheet.xlsx.exe 9 2->8         started        11 CpSnJ.exe 2 2->11         started        13 CpSnJ.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\...\IZfJGinQuOdm.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp5901.tmp, XML 8->40 dropped 42 C:\...\P66 2020 master sheet.xlsx.exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 1 4 8->15         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process5 dnsIp6 44 mdist.us 192.185.226.148, 49716, 587 UNIFIEDLAYER-AS-1US United States 15->44 46 mail.mdist.us 15->46 34 C:\Users\user\AppData\Local\...\CpSnJ.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 58 3 other signatures 15->58 28 reg.exe 1 15->28         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->56 30 conhost.exe 22->30         started        file7 signatures8 process9 process10 32 conhost.exe 28->32         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-21 09:53:35 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Drops file in Drivers directory
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments