MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081
SHA3-384 hash: e1c4c0ee41ae5ebfe07a4fc0612be046dd3a67790daf7089c8e215d3ceb552de986e25be7b17a08fec9fd9c01a7a9fc2
SHA1 hash: 19c171a1fb826719e7a3c8ce628fb4abfa74244e
MD5 hash: fd8d29f22a7defb7054ee5d78aff7636
humanhash: comet-quiet-october-nitrogen
File name:PURCHASE_ORDER-FHQN45WCM9T.exe
Download: download sample
Signature AgentTesla
File size:237'568 bytes
First seen:2022-04-06 10:19:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:xE08tYL/Z8EWrdm4Vz0RpppppppppppppppppppppppppppppI:xnWrdm4Vz0RppppppppppppppppppppG
Threatray 15'672 similar samples on MalwareBazaar
TLSH T16F34F782E9006674EE68AB346E33CD3507127D7DAD78942D24E97D4B3FBBAD36025423
File icon (PE):PE icon
dhash icon d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: Silenttrinity Stager Msbuild Activity
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603867 Sample: PURCHASE_ORDER-FHQN45WCM9T.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 32 api.telegram.org 2->32 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 PURCHASE_ORDER-FHQN45WCM9T.exe 16 7 2->8         started        12 Fqhdxrzv.exe 14 2 2->12         started        14 Fqhdxrzv.exe 2 2->14         started        signatures3 process4 dnsIp5 34 trieutin.com 119.17.253.214, 443, 49771, 49786 NETNAM-AS-APNetnamCompanyVN Viet Nam 8->34 26 C:\...\PURCHASE_ORDER-FHQN45WCM9T.exe.log, ASCII 8->26 dropped 28 C:\Users\user\AppData\...\Fqhdxrzv.exe, PE32 8->28 dropped 16 MSBuild.exe 14 6 8->16         started        20 cmd.exe 1 8->20         started        file6 process7 dnsIp8 30 api.telegram.org 149.154.167.220, 443, 49787, 49788 TELEGRAMRU United Kingdom 16->30 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->38 40 Tries to steal Mail credentials (via file / registry access) 16->40 42 4 other signatures 16->42 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-04-06 10:20:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
11 of 26 (42.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5257540806:AAHfdEOucX0SGh3bzy9zivJOu6xbXCuqEE8/sendDocument
Unpacked files
SH256 hash:
36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081
MD5 hash:
fd8d29f22a7defb7054ee5d78aff7636
SHA1 hash:
19c171a1fb826719e7a3c8ce628fb4abfa74244e
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 36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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