MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45cf135407fcc3831ca0d4ccd565fdbcafaf52acf1da81aa7ab739ea5f4e4ccc. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 45cf135407fcc3831ca0d4ccd565fdbcafaf52acf1da81aa7ab739ea5f4e4ccc
SHA3-384 hash: acfdb9950da74e39009f64a19722099c1c55ea83be204f287940724456a8423ab2671789e4ee2b4bb4c9ee82c5830544
SHA1 hash: b40d7814f210a0bb4fb16aba5ac7cb867c9ba23a
MD5 hash: 3a5e54cde7e899d691c2d62766899c38
humanhash: lamp-golf-zebra-mobile
File name:MBT_283221206.exe
Download: download sample
Signature AgentTesla
File size:636'928 bytes
First seen:2023-09-15 13:24:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:rG2iN3hmoSZMuNJ+wz1r78jINA1riPJ+OBHfF/:rG1PK5J+wNwI9x+yF
Threatray 1'351 similar samples on MalwareBazaar
TLSH T11CD42200BB754F12C23933F078AAADD027B66E196FBAFD251DD814CF52267981121F6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MBT_283221206.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 13:26:12 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308970 Sample: MBT_283221206.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Antivirus detection for URL or domain 2->74 76 12 other signatures 2->76 7 MBT_283221206.exe 7 2->7         started        11 DyoquOzelY.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\DyoquOzelY.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\Local\Temp\tmp9EA.tmp, XML 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 MBT_283221206.exe 17 5 7->17         started        22 powershell.exe 19 7->22         started        34 2 other processes 7->34 94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 24 DyoquOzelY.exe 11->24         started        36 3 other processes 11->36 98 Injects a PE file into a foreign processes 13->98 26 My App.exe 13->26         started        28 schtasks.exe 13->28         started        30 My App.exe 15->30         started        32 schtasks.exe 15->32         started        signatures5 process6 dnsIp7 56 amtechprinting.com 64.188.2.244, 49717, 49719, 49721 ASN-QUADRANET-GLOBALUS United States 17->56 58 mail.amtechprinting.com 17->58 62 2 other IPs or domains 17->62 48 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->48 dropped 50 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 17->50 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        60 mail.amtechprinting.com 24->60 64 2 other IPs or domains 24->64 66 2 other IPs or domains 26->66 40 conhost.exe 28->40         started        68 3 other IPs or domains 30->68 84 Tries to harvest and steal browser information (history, passwords, etc) 30->84 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-15 09:51:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
Looks up external IP address via web service
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:
0cc2d545cdbc9aca7ac5732fc2e1858bae1b8c575e67f0b4b8077610c5597806
MD5 hash:
604ba9fe5293c6b09155e9593e5fe8b4
SHA1 hash:
c9ca531c5c50091dcdeabea6af26643e897fe3f8
SH256 hash:
e668f5da927fd78b9826410f0d7aeef6668f3f444291ac9ee3adca6168c68d86
MD5 hash:
b49d40266b8896306733e9a94fb43e80
SHA1 hash:
232a4f96b39345a1c99850e8970954fd1d033bcf
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
SH256 hash:
45cf135407fcc3831ca0d4ccd565fdbcafaf52acf1da81aa7ab739ea5f4e4ccc
MD5 hash:
3a5e54cde7e899d691c2d62766899c38
SHA1 hash:
b40d7814f210a0bb4fb16aba5ac7cb867c9ba23a
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

  
Delivery method
Other

Comments