MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b96cccba8208b1f786a5fbf1b877e967a3720dba3614044ad0fa3a5c4f5fffb. 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 3 File information Comments

SHA256 hash: 1b96cccba8208b1f786a5fbf1b877e967a3720dba3614044ad0fa3a5c4f5fffb
SHA3-384 hash: 24ddf5851773342d3fcde757554436bc64436b36fe27523805b6342c333cefa91eed90750d6e00bed81d2e7e6cc16ca6
SHA1 hash: 0d9378ba59b833ad1626bcb698cecb5c1f4c501c
MD5 hash: af01f39fd130b370288686adfe699c21
humanhash: music-massachusetts-kentucky-monkey
File name:Customs declaration form & declaration elements.exe
Download: download sample
Signature AgentTesla
File size:776'704 bytes
First seen:2023-10-23 11:30:52 UTC
Last seen:2023-10-23 11:31:53 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 12288:AIJHPYhsDwXUI3TYbyzarCBh6JLtmamJQYe87c0k/LCSiyyjK:HpzIUbyzarwcJtm07Z/LCd8
Threatray 663 similar samples on MalwareBazaar
TLSH T17EF4AE4131CDAAD6D037ABF2035D945053F5B95FD21DEA0F3F82664B40AEB022A67B1E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
289
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Customs declaration form & declaration elements.exe
Verdict:
Malicious activity
Analysis date:
2023-10-23 11:40:22 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
Searching for the window
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
.NET source code contains very large strings
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330531 Sample: Customs_declaration_form_&_... Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 45 mail.frontierfulfillment.com.my 2->45 47 api4.ipify.org 2->47 49 api.ipify.org 2->49 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 8 Customs_declaration_form_&_declaration_elements.exe 6 2->8         started        12 BEXdiNRdjPTIuU.exe 5 2->12         started        14 FndrE.exe 2->14         started        16 FndrE.exe 2->16         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\BEXdiNRdjPTIuU.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp4DFB.tmp, XML 8->43 dropped 73 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->73 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Injects a PE file into a foreign processes 8->79 18 RegSvcs.exe 16 4 8->18         started        23 schtasks.exe 1 8->23         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 85 Writes to foreign memory regions 12->85 25 RegSvcs.exe 3 12->25         started        27 schtasks.exe 1 12->27         started        29 RegSvcs.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 51 mail.frontierfulfillment.com.my 14.102.148.26, 49714, 49716, 587 IPSERVERONE-AS-APIPServerOneSolutionsSdnBhdMY Malaysia 18->51 53 api4.ipify.org 104.237.62.212, 443, 49712, 49715 WEBNXUS United States 18->53 39 C:\Users\user\AppData\Roaming\...\FndrE.exe, PE32 18->39 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 35 conhost.exe 23->35         started        69 Tries to harvest and steal browser information (history, passwords, etc) 25->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->71 37 conhost.exe 27->37         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-12 06:14:22 UTC
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
1a90ad7b0b36ad389d2cf95830b0191f3e4e4e54cda030da601074bfd1ee2260
MD5 hash:
9af34d9ad3b7b306bac0a72b0681899b
SHA1 hash:
ff8a3c98298738d7205f67b40d832c07886ab366
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
SH256 hash:
1b96cccba8208b1f786a5fbf1b877e967a3720dba3614044ad0fa3a5c4f5fffb
MD5 hash:
af01f39fd130b370288686adfe699c21
SHA1 hash:
0d9378ba59b833ad1626bcb698cecb5c1f4c501c
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: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 1b96cccba8208b1f786a5fbf1b877e967a3720dba3614044ad0fa3a5c4f5fffb

(this sample)

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