MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17157684680738db38e2185960af962dfaf7ab6e071fce7643eec989e2d15248. 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: 17157684680738db38e2185960af962dfaf7ab6e071fce7643eec989e2d15248
SHA3-384 hash: 87ef4dd9b5215ed4f91389139e86bff6e77210a9a17df40cc9546a65a4301bc8a36f4031f8f68be1681cd7b81f283321
SHA1 hash: 206cb3f113538c86f8c9f666eaabe18257a69125
MD5 hash: a3baca31775862fbc79729b869491412
humanhash: london-violet-item-shade
File name:PO-Accessoriesequipment.pdf.exe
Download: download sample
Signature AgentTesla
File size:500'224 bytes
First seen:2022-01-20 07:27:07 UTC
Last seen:2022-01-20 07:29:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lho+NFwXZzevLY9ud8HsgOVS0VX4Y7OCtNY32mPub0dAc:jo+QXBb9umMgOVNSub0dAc
Threatray 14'147 similar samples on MalwareBazaar
TLSH T17CB4BFAC755072DFC86BCC769EA81C64EA5178BB830BD243A01315DCAA4DA9BCF151F3
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Result
Verdict:
MALICIOUS
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 an obfuscated file name to hide its real file extension (double extension)
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: 556554 Sample: PO-Accessoriesequipment.pdf.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 11 other signatures 2->41 7 PO-Accessoriesequipment.pdf.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\IpbkVw.exe, PE32 7->23 dropped 25 C:\Users\user\...\IpbkVw.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp919C.tmp, XML 7->27 dropped 29 C:\...\PO-Accessoriesequipment.pdf.exe.log, ASCII 7->29 dropped 43 Detected unpacking (changes PE section rights) 7->43 45 Detected unpacking (overwrites its own PE header) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 11 RegSvcs.exe 6 7->11         started        15 powershell.exe 22 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 smtp.yandex.ru 77.88.21.158, 49808, 49809, 587 YANDEXRU Russian Federation 11->31 33 smtp.yandex.com 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 5 other signatures 11->57 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-01-20 07:28:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 28 (75.00%)
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)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Sets service image path in registry
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1e6017578c598aa398d14aacfc782738ce7624749eda46555d65055f4384cde9
MD5 hash:
104d0008478d11b7ad0f69a3b3dcaad5
SHA1 hash:
cde359e45c4a17cedbd4b0000bd78a1187de1b6b
SH256 hash:
b4ac4d7ba7186ec694909413e82b53f6c8ca0f9e6d7589bf845fd2537adc02d5
MD5 hash:
48fdc28d68a1266252369d80f8026b64
SHA1 hash:
6a92b0c78845a71c87d68c3ea758b7e20d7b4fcc
SH256 hash:
a02c41b0bf3bef02b24a628b302e3843c5207a45e6e6b2eaa7ef79078506fe33
MD5 hash:
f00db7437bae12cf5a53dfe1eab9bc5d
SHA1 hash:
50d9f0453fefb68389eabd108bc3e8a602cda576
SH256 hash:
17157684680738db38e2185960af962dfaf7ab6e071fce7643eec989e2d15248
MD5 hash:
a3baca31775862fbc79729b869491412
SHA1 hash:
206cb3f113538c86f8c9f666eaabe18257a69125
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 17157684680738db38e2185960af962dfaf7ab6e071fce7643eec989e2d15248

(this sample)

  
Delivery method
Distributed via e-mail attachment

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