MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f0b8cf01f75b4a227b38b31f39f3d64ae9a552c64fd66e50077b96bda280b52. 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: 17


Intelligence 17 IOCs YARA 13 File information Comments

SHA256 hash: 3f0b8cf01f75b4a227b38b31f39f3d64ae9a552c64fd66e50077b96bda280b52
SHA3-384 hash: dc34325c2852156f3b97789266783a88b00860bcd3063564f62c87316abd9e3d1406519c3b9fd5177eff47176b7506af
SHA1 hash: 040597acaa8960453805421305e6e312a31605f7
MD5 hash: 25d50163c4059a23e98045fec52bb62c
humanhash: don-bulldog-grey-autumn
File name:Commercial Invoice.exe
Download: download sample
Signature AgentTesla
File size:729'088 bytes
First seen:2023-11-22 06:55:22 UTC
Last seen:2023-11-22 08:16:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:gZO8oGN6/DRPXOjmyT9KWsYEk+PTOghfxNpA8/Ijn54AtWY+fsX20ZB8ZmTAcpu4:S/Ehy9bEpPTOgh5vA6AITfsX2w
Threatray 1'585 similar samples on MalwareBazaar
TLSH T177F4BEAC325076DFC857CCB6DAA82C64EA6034BB830FD243946716AD990D997CF245F3
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
327
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Commercial Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-11-22 06:56:48 UTC
Tags:
stealer agenttesla

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346268 Sample: Commercial_Invoice.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 38 smtp.yandex.ru 2->38 40 smtp.yandex.com 2->40 42 2 other IPs or domains 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 9 other signatures 2->54 8 Commercial_Invoice.exe 7 2->8         started        12 usZEVn.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\usZEVn.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp1031.tmp, XML 8->36 dropped 56 Detected unpacking (changes PE section rights) 8->56 58 Detected unpacking (overwrites its own PE header) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 68 3 other signatures 8->68 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Writes to foreign memory regions 12->66 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        26 RegSvcs.exe 12->26         started        signatures6 process7 dnsIp8 44 smtp.yandex.ru 77.88.21.158, 49712, 49717, 49718 YANDEXRU Russian Federation 14->44 46 api4.ipify.org 173.231.16.77, 443, 49710, 49714 WEBNXUS United States 14->46 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 78 Installs a global keyboard hook 22->78 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-22 06:56:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
da0475be2f588db36509a55aac9d230524d8e945cd158373ecc64144b93b544a
MD5 hash:
0fec761aca7efd7b9c029b7cbb7fcc73
SHA1 hash:
f7ed102ce8a0f1e4e7de98c12411cd696b812a1e
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
f317000292e9c8fe0e0e5c820ced3cb9b709878453d764c6b6c45e334fdd723d
MD5 hash:
e1823b2419602721a5fe21feba10968a
SHA1 hash:
b7615abcfd5f7da0aa548121b02a8742f92a4c7d
SH256 hash:
ea4100686408573848b1787e9c7c19248c02ac42b0a4a114f6f76efaf4568961
MD5 hash:
66dc974bf464b2b7e9c3fe074ea3d6b2
SHA1 hash:
b600e2d1cf7147ca4f03ca98c67b1db3ebcd367f
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
3f0b8cf01f75b4a227b38b31f39f3d64ae9a552c64fd66e50077b96bda280b52
MD5 hash:
25d50163c4059a23e98045fec52bb62c
SHA1 hash:
040597acaa8960453805421305e6e312a31605f7
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 3f0b8cf01f75b4a227b38b31f39f3d64ae9a552c64fd66e50077b96bda280b52

(this sample)

  
Delivery method
Distributed via e-mail attachment

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