MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7dfb5506ce5f7bfee82f1de42b5054c0edc165a6fc165a41886a8c23c83420c. 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 3 File information Comments

SHA256 hash: c7dfb5506ce5f7bfee82f1de42b5054c0edc165a6fc165a41886a8c23c83420c
SHA3-384 hash: a91c688147b2071822b60ffa985fece44222966cebd3005e86107857d85f02021504f5e4c6b3ca591715b6366c0a20c8
SHA1 hash: 261ce481c44cae6d97c98acce24f399c7b5cc4a0
MD5 hash: bf96e6712e73fbfaed7487f8cc5f0d72
humanhash: eighteen-yellow-washington-angel
File name:PO docs. PDF...................................................................................exe
Download: download sample
Signature AgentTesla
File size:673'280 bytes
First seen:2021-08-23 09:55:29 UTC
Last seen:2021-09-02 17:22:05 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 12288:4g5+mZ1IUq0cXrx0dPY6qUG0LLMYs489+fgpT0d8VdMV6doek8anNbuGk:PJXS7x0JYNwLts4/f78VdndI
Threatray 9'083 similar samples on MalwareBazaar
TLSH T14FE402057744BB8FC67F8E7AE8522C20A7E0E1361703E752BC9366E8598D7958B013E7
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO docs. PDF...................................................................................exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 09:57:53 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
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:
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 469864 Sample: PO docs. PDF.................. Startdate: 23/08/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 9 other signatures 2->39 7 PO docs. PDF...................................................................................exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...LRNtzXHlY.exe, PE32 7->19 dropped 21 C:\Users\...LRNtzXHlY.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp9984.tmp, XML 7->23 dropped 25 PO docs. PDF.....................exe.log, ASCII 7->25 dropped 41 Injects a PE file into a foreign processes 7->41 11 PO docs. PDF...................................................................................exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 tecnicasreunldas.com 78.142.63.38, 49733, 587 TELEPOINTBG Bulgaria 11->27 29 mail.tecnicasreunldas.com 11->29 31 192.168.2.1 unknown unknown 11->31 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-08-23 09:32:37 UTC
AV detection:
15 of 46 (32.61%)
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 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:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
b6476d6f7b25b00475faec4b375db1521d5bb6d2ebdb3f8cdf4c844d5912abeb
MD5 hash:
c366afb727026c7773c50092e1dcf9f3
SHA1 hash:
99c71f5f294070b567822d6d39ceaf521289941a
SH256 hash:
e7685fcdd978ca976ea9bba4f1574693dd15a3398293a13af58ecd11614c78ea
MD5 hash:
0dfdf326c6f2eb1c909f835674c9cd5f
SHA1 hash:
7cac097da0d4d97ed20265a4630a6f4f90229c19
SH256 hash:
c7dfb5506ce5f7bfee82f1de42b5054c0edc165a6fc165a41886a8c23c83420c
MD5 hash:
bf96e6712e73fbfaed7487f8cc5f0d72
SHA1 hash:
261ce481c44cae6d97c98acce24f399c7b5cc4a0
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 c7dfb5506ce5f7bfee82f1de42b5054c0edc165a6fc165a41886a8c23c83420c

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments