MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
SHA3-384 hash: 66123c8794d3f5625ec726a794d2f431185472a0139a6db18e58369c10f4b96699332dac5aa9493b4810eebee7227ed2
SHA1 hash: 45aa0c0f44483b4b5f4b81ba88ed06a4f21978bc
MD5 hash: e7d0b23a5c0fbb0a5efc2adc921a070e
humanhash: muppet-victor-colorado-utah
File name:PROFORMA INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:257'024 bytes
First seen:2022-03-21 06:33:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:RQDbXF4o7OvfL1Qqth5qGzBivpf01dlLCP8UEKhQ6qKnoVEfd:aP21QqtkV0hmqKoVK
Threatray 15'797 similar samples on MalwareBazaar
TLSH T12C44FA07B94485D8CE7845FEB1478190B7C9DCBFD248F608ABC933A34EE16A25D26B17
File icon (PE):PE icon
dhash icon f2b29ebab69efe6e (3 x AgentTesla, 2 x Formbook)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253274/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39297583.20909.17754.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62381c5db94fb38cb4c096e1/reports/404a3d4d-4734-4909-9b8c-3b56f3f6e739/overview
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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce7fe696-69fe-4f72-9205-310c903e1be6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960435
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the hosts file
Multi AV Scanner detection for dropped file
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592917 Sample: PROFORMA INVOICE.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 55 greenglobus.net 2->55 57 mail.greenglobus.net 2->57 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 14 other signatures 2->71 9 PROFORMA INVOICE.exe 15 7 2->9         started        14 kECjS.exe 14 3 2->14         started        16 kECjS.exe 3 2->16         started        signatures3 process4 dnsIp5 61 cdn.discordapp.com 162.159.133.233, 443, 49755 CLOUDFLARENETUS United States 9->61 49 C:\Users\user\AppData\Roaming\...\Pst.exe, PE32 9->49 dropped 51 C:\Users\user\...\Pst.exe:Zone.Identifier, ASCII 9->51 dropped 53 C:\Users\user\...\PROFORMA INVOICE.exe.log, ASCII 9->53 dropped 81 Creates an undocumented autostart registry key 9->81 83 Drops executable to a common third party application directory 9->83 85 Injects a PE file into a foreign processes 9->85 18 PROFORMA INVOICE.exe 2 5 9->18         started        23 cmd.exe 1 9->23         started        25 PROFORMA INVOICE.exe 9->25         started        63 162.159.130.233, 443, 49783, 49784 CLOUDFLARENETUS United States 14->63 87 Multi AV Scanner detection for dropped file 14->87 89 Machine Learning detection for dropped file 14->89 27 cmd.exe 14->27         started        29 cmd.exe 16->29         started        file6 signatures7 process8 dnsIp9 59 192.168.2.1 unknown unknown 18->59 43 C:\Users\user\AppData\Roaming\...\kECjS.exe, PE32 18->43 dropped 45 C:\Windows\System32\drivers\etc\hosts, ASCII 18->45 dropped 47 C:\Users\user\...\kECjS.exe:Zone.Identifier, ASCII 18->47 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->73 75 Tries to steal Mail credentials (via file / registry access) 18->75 77 Tries to harvest and steal ftp login credentials 18->77 79 3 other signatures 18->79 31 timeout.exe 1 23->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        37 timeout.exe 27->37         started        file10 signatures11 process12 process13 39 conhost.exe 31->39         started        41 timeout.exe 31->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-20 11:05:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o273wusosipxmopmxmwh2qhaolk3iwvexbjburoyfwc7sz2dv7vq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
514844fc62522a934bebb29f422eda6aace2965d3cdd1ad717f05c26280f09e4
AgentTesla
52070720ff5c4b6095e4a7aa082f7647fbc576f3e4ff538b941131fad8842a1f
AgentTesla
5cd21e8b1c72c3607078f4e5e9e42cb3a347afa3da338cbac00c8fe16512b61c
AgentTesla
a0c3371953d59c8e30df713a05e21c633ab4496bcde543b727eda24cc8456116
AgentTesla
aa37f1f2979f2bc0e337b25406f647fb5f6d7996b85ef272c93ef8f8e6596120
AgentTesla
+ 15'787 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220321-hbalfaheh3/
Behaviour
Delays execution with timeout.exe
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
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
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
MD5 hash:
e7d0b23a5c0fbb0a5efc2adc921a070e
SHA1 hash:
45aa0c0f44483b4b5f4b81ba88ed06a4f21978bc
Link:
https://www.unpac.me/results/e3055293-f493-49e3-af05-d2bbc9401e0b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/76bfbb524e92/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb

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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

zip e13f0b8660c5d203c0f25ffa45ef9cecb32784746e479aff32599e29af9cb155

AgentTesla

Executable exe 76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e13f0b8660c5d203c0f25ffa45ef9cecb32784746e479aff32599e29af9cb155
Cape
Cape
https://www.capesandbox.com/analysis/253274/

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