MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15a75e52ed101d57a30ce5d285a980083b98d9e13ee8be9a315e18579f43877f. 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 7 File information Comments

SHA256 hash: 15a75e52ed101d57a30ce5d285a980083b98d9e13ee8be9a315e18579f43877f
SHA3-384 hash: 4823e12e0160084fac16ba1dd19c7345e3a6615d8299ccd7b950c069f327663159a6fedf23e5d40a77cebdbd4eca1ecd
SHA1 hash: 962a7903b00a304f44120802f4e932e86dd91f19
MD5 hash: 4d1e71a28d819b3352296ab513cf9f45
humanhash: arkansas-eighteen-jersey-alpha
File name:invoice.pdf.z.exe
Download: download sample
Signature AgentTesla
File size:849'408 bytes
First seen:2021-08-11 05:44:06 UTC
Last seen:2021-08-11 07:11:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:aGbsbUTw4NVEr8DXdmhY9OU5kYWMXFi6iAFEJxB7:bNrNK6XdhEB
Threatray 8'239 similar samples on MalwareBazaar
TLSH T16505E0653A81FB8EC23E8E75D4429810DBE0E2739307F3C7BDE249DC158E6994A63356
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.pdf.z.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 05:45:41 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
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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: 463033 Sample: invoice.pdf.z.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 7 other signatures 2->35 7 invoice.pdf.z.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\edtLphSA.exe, PE32 7->19 dropped 21 C:\Users\...\edtLphSA.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpF83C.tmp, XML 7->23 dropped 25 C:\Users\user\...\invoice.pdf.z.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Injects a PE file into a foreign processes 7->43 11 invoice.pdf.z.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.kenmascs.com 217.174.152.52, 49772, 587 TELEPOINTBG Bulgaria 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-10 00:36:25 UTC
AV detection:
21 of 46 (45.65%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2d73c0708e5782401d240a81f4b8c300260b69f42bc87c4715bc5b49ca7ba063
MD5 hash:
b0841911ad94042f4ea18678bf82f455
SHA1 hash:
c7b774d20e523de81593afaea1e340afc8f90bac
SH256 hash:
95a9b7af4f9b968e3214679f8f86791c185a9b6244956e532ec03d144f0b6cbd
MD5 hash:
31618b2e7f32215ff0d98d73b3ba7e67
SHA1 hash:
82cb397cac3c12b9a1902e30798ac971b6beb863
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
SH256 hash:
15a75e52ed101d57a30ce5d285a980083b98d9e13ee8be9a315e18579f43877f
MD5 hash:
4d1e71a28d819b3352296ab513cf9f45
SHA1 hash:
962a7903b00a304f44120802f4e932e86dd91f19
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 15a75e52ed101d57a30ce5d285a980083b98d9e13ee8be9a315e18579f43877f

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments