MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39bf9b51b8b6e1b743e3e30d835101292ddb0c1e19d8748eb4959dc4e947a479. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 39bf9b51b8b6e1b743e3e30d835101292ddb0c1e19d8748eb4959dc4e947a479
SHA3-384 hash: 5d5a5d37409d24f062b44bf655a73919d35f3608578a41c2229e0b187d6cc19d7b543742e287c3fc7e2e2939514a4921
SHA1 hash: 12a382fbb911c073db1572d6a19e55b09d448d3c
MD5 hash: f0712f11a3484562e3e5b58d37053257
humanhash: berlin-purple-three-asparagus
File name:PAYMENT INVOICE.exe
Download: download sample
Signature AgentTesla
File size:614'912 bytes
First seen:2023-09-21 06:52:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:c3d84sJAjYOLa8nLWBWXne0yKmZ3MHyXh6:c3d8OjYOLa8LWBsVyKHSXA
Threatray 5'654 similar samples on MalwareBazaar
TLSH T1F0D48C1561EB1C26F377EBBACBA4E654C679F7E214FBB30E134003858856901FA52B72
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PAYMENT INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 06:53:12 UTC
Tags:
agenttesla stealer

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1312067 Sample: PAYMENT_INVOICE.exe Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 34 mail.ceryletech.com 2->34 36 ceryletech.com 2->36 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 12 other signatures 2->46 8 PAYMENT_INVOICE.exe 6 2->8         started        12 JjYHRFEyJo.exe 5 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\JjYHRFEyJo.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmpC86B.tmp, XML 8->32 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Injects a PE file into a foreign processes 8->54 14 PAYMENT_INVOICE.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        20 PAYMENT_INVOICE.exe 8->20         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 22 JjYHRFEyJo.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 38 ceryletech.com 103.53.43.36, 49709, 49710, 587 PUBLIC-DOMAIN-REGISTRYUS India 14->38 26 conhost.exe 18->26         started        62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->62 64 Tries to steal Mail credentials (via file / registry access) 22->64 66 Tries to harvest and steal browser information (history, passwords, etc) 22->66 28 conhost.exe 24->28         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-21 01:54:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
bee1040a7ed86d4f602cb73447039639265ed343dade37b8037ebb23292482a0
MD5 hash:
e64067b82952dde67c9b6e8174f93fee
SHA1 hash:
b258a3e81b5eaa2654ee25705f84900582cde3b4
SH256 hash:
6b6f0d0008346e351a105a7839d85b9aaae5b3c957c28618dcbc347c5c9db77f
MD5 hash:
fc82262057015206c59954e04996f8ac
SHA1 hash:
8650746ca799d0bc8020a5383b03b3d747ee889b
SH256 hash:
39bf9b51b8b6e1b743e3e30d835101292ddb0c1e19d8748eb4959dc4e947a479
MD5 hash:
f0712f11a3484562e3e5b58d37053257
SHA1 hash:
12a382fbb911c073db1572d6a19e55b09d448d3c
Malware family:
AgentTesla.v4
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
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 39bf9b51b8b6e1b743e3e30d835101292ddb0c1e19d8748eb4959dc4e947a479

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments