MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcf6a83f81c40a13505d470eeed10b3d9a7870f82ee49b73ed768192c53aec98. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: bcf6a83f81c40a13505d470eeed10b3d9a7870f82ee49b73ed768192c53aec98
SHA3-384 hash: 5c95e2c903a8101933e9ac3a3c7349487ebe114f1ec98bc952b08dfb9f6774e7cd98a4e2dd2ae23a6cd9a14d2bf52d57
SHA1 hash: 42354160af467a5e97c251d95e083b95602dbc1b
MD5 hash: f05fc236ea3d6cfe00727fe8be079967
humanhash: maine-fourteen-fix-alaska
File name:Payment Advice.exe
Download: download sample
Signature AgentTesla
File size:40'448 bytes
First seen:2022-02-23 12:17:50 UTC
Last seen:2022-02-23 14:51:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:nYGpm3i0GYZ4AWCJwwzj7blw2ZXb3QEulai+MwCKPEH2S3dd0hUADkaq1:YG+iFYZ4AWk7bqq8lsMwCK63deVDM
Threatray 15'309 similar samples on MalwareBazaar
TLSH T18603E61A7892964DC5D47BF86DB0A29366367CE10124C18FECF97F29E972223DCC126D
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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 gzRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Malicious sample detected (through community Yara rule)
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)
Uses ping.exe to check the status of other devices and networks
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected gzRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 577187 Sample: Payment Advice.exe Startdate: 23/02/2022 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 12 other signatures 2->64 7 Payment Advice.exe 16 6 2->7         started        12 jjjjjjjjjjjjjjjjjj.exe 3 2->12         started        14 jjjjjjjjjjjjjjjjjj.exe 14 3 2->14         started        process3 dnsIp4 48 kotadiainc.com 103.50.162.146, 443, 49742, 49747 PUBLIC-DOMAIN-REGISTRYUS India 7->48 50 192.168.2.1 unknown unknown 7->50 42 C:\Users\user\...\jjjjjjjjjjjjjjjjjj.exe, PE32 7->42 dropped 44 C:\...\jjjjjjjjjjjjjjjjjj.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\...\Payment Advice.exe.log, ASCII 7->46 dropped 66 Injects a PE file into a foreign processes 7->66 16 cmd.exe 1 7->16         started        19 Payment Advice.exe 2 7->19         started        21 Payment Advice.exe 7->21         started        23 Payment Advice.exe 7->23         started        25 cmd.exe 12->25         started        27 cmd.exe 1 14->27         started        file5 signatures6 process7 signatures8 56 Uses ping.exe to check the status of other devices and networks 16->56 29 PING.EXE 1 16->29         started        32 conhost.exe 16->32         started        34 PING.EXE 25->34         started        36 conhost.exe 25->36         started        38 PING.EXE 1 27->38         started        40 conhost.exe 27->40         started        process9 dnsIp10 52 yahoo.com 74.6.143.25 YAHOO-3US United States 29->52 54 74.6.143.26 YAHOO-3US United States 38->54
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-23 12:18:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bcf6a83f81c40a13505d470eeed10b3d9a7870f82ee49b73ed768192c53aec98
MD5 hash:
f05fc236ea3d6cfe00727fe8be079967
SHA1 hash:
42354160af467a5e97c251d95e083b95602dbc1b
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 bcf6a83f81c40a13505d470eeed10b3d9a7870f82ee49b73ed768192c53aec98

(this sample)

  
Delivery method
Distributed via e-mail attachment

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