MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a11f3441afba44812c4a81061daf98989f79768776f1dcdd0d273947c3b888d8. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: a11f3441afba44812c4a81061daf98989f79768776f1dcdd0d273947c3b888d8
SHA3-384 hash: 2afaa7b01a4a7ed63bd6d75f0756d22efcc2fdb4c925df56c88bdb7dc2849f3efab13bfe386e2695e9c8ac6985bd8c69
SHA1 hash: 5ed57ceac721fe99ff76ac6f8d8a8de2eb2b51d4
MD5 hash: 398b8aec2323e7fbb280acf7990a5804
humanhash: bulldog-georgia-monkey-magazine
File name:Purchase Order 22-072021.pdf.exe
Download: download sample
Signature AgentTesla
File size:878'080 bytes
First seen:2021-07-22 15:46:21 UTC
Last seen:2021-07-27 21:05:42 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 12288:mREe0b97SSuKMNWudGjoLAtRIAa211+Eu1Q5XijVR7t1f58yaUVKnp:m2eK/uBLAzIQ1+E8Q5XijVR7/5jahp
Threatray 7'571 similar samples on MalwareBazaar
TLSH T1D115F13A3227B608EC7C87FB5CA8D1A0A67FEC15255AC23819D4B47DBCB2BBC15D0156
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 22-072021.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-22 15:54:51 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 452688 Sample: Purchase Order 22-072021.pdf.exe Startdate: 22/07/2021 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 13 other signatures 2->41 7 Purchase Order 22-072021.pdf.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\fjjLgVXIcvS.exe, PE32 7->27 dropped 29 C:\Users\...\fjjLgVXIcvS.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpC73B.tmp, XML 7->31 dropped 33 C:\...\Purchase Order 22-072021.pdf.exe.log, ASCII 7->33 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 powershell.exe 24 7->11         started        13 powershell.exe 22 7->13         started        15 powershell.exe 25 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-07-22 14:59:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
6a26eff8d29c29d68ca1a4f7faa58a80c69143af54e792c16cca953fa1832cf6
MD5 hash:
ba87c60d8ea28a12b6343098aa5fb48b
SHA1 hash:
bf48c113065c2431f179873f98483589bdd63a03
SH256 hash:
5d70aa3ec91e98a2d7b1703f503c2e11dac318cd89b88ccdee13b5993ef451b5
MD5 hash:
03d6b25477bbd35a871ca79540ad1fa2
SHA1 hash:
192289070a60e59a0e9fd2130000563c012bcfda
SH256 hash:
ea43c754ba4caa877191eaabef80b78a77852479d62c39a4ec31fcfd907e1932
MD5 hash:
f254a79ce7d4285fce1c6884bce80ad7
SHA1 hash:
187221cfd287ad2db8e57b48e64512811b4a6b4b
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
SH256 hash:
a11f3441afba44812c4a81061daf98989f79768776f1dcdd0d273947c3b888d8
MD5 hash:
398b8aec2323e7fbb280acf7990a5804
SHA1 hash:
5ed57ceac721fe99ff76ac6f8d8a8de2eb2b51d4
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.

  
Delivery method
Other

Comments