MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6
SHA3-384 hash: eef291e0e81d3467135bb6bf1f0063cd93f4331c6466d32640231bc8195243d085d133d286488fb1495a3da864d08a88
SHA1 hash: 44d3585abe662f7955bd862641ef2f41a3bc01cb
MD5 hash: d87984674b4e613778c3652753aeddd9
humanhash: connecticut-happy-carolina-california
File name:Wire Transfer Form.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:349'696 bytes
First seen:2023-04-01 09:59:32 UTC
Last seen:2023-04-06 12:17:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:0mtUxVlYuwrXitD5CBJvtWr1jTV6E+HJAvXeRi/2:jcau0Xitv/
Threatray 1'740 similar samples on MalwareBazaar
TLSH T17A74D7215BE481D5F6FAFE33E8633D04E9B5F48E5842EE8F048424CD98B6745ED1362A
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 0096cc714d86aa00 (18 x RemcosRAT, 14 x Formbook, 7 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wire Transfer Form.exe
Verdict:
Malicious activity
Analysis date:
2023-04-01 10:01:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/545bbbc8-c5f6-41b4-b677-e3cd6a588a03

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/379218/
Detection(s):
SecuriteInfo.com.Variant.Strictor.272742.2976.18083.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/642800a68443898c02a70e53/reports/80e13bcf-8489-4586-9327-5ad0c3977ced/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94a94a80-5be1-4bb6-830d-341aea267c6a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206316
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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 domain / URL
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)
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)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839232 Sample: Wire_Transfer_Form.exe Startdate: 01/04/2023 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Multi AV Scanner detection for domain / URL 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 10 other signatures 2->69 7 Wire_Transfer_Form.exe 15 7 2->7         started        12 My App.exe 3 2->12         started        14 My App.exe 14 4 2->14         started        process3 dnsIp4 59 45.137.22.125, 49695, 49704, 49705 ROOTLAYERNETNL Netherlands 7->59 41 C:\Users\user\AppData\...\Qureaiskupv.exe, PE32 7->41 dropped 43 C:\Users\...\Qureaiskupv.exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\user\...\Wire_Transfer_Form.exe.log, ASCII 7->45 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->79 81 Creates an undocumented autostart registry key 7->81 83 May check the online IP address of the machine 7->83 85 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->85 16 Wire_Transfer_Form.exe 2 5 7->16         started        21 powershell.exe 16 7->21         started        61 192.168.2.1 unknown unknown 12->61 87 Encrypted powershell cmdline option found 12->87 89 Injects a PE file into a foreign processes 12->89 23 My App.exe 12->23         started        25 powershell.exe 12->25         started        27 My App.exe 14->27         started        29 powershell.exe 14->29         started        file5 signatures6 process7 dnsIp8 47 mail.flomicgroup.com 121.241.242.218, 25, 49702, 49709 TATACOMM-ASTATACommunicationsformerlyVSNLisLeadingISP India 16->47 49 api4.ipify.org 173.231.16.76, 443, 49701, 49707 WEBNXUS United States 16->49 51 api.ipify.org 16->51 37 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 16->37 dropped 39 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 16->39 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->71 73 Tries to steal Mail credentials (via file / registry access) 16->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->75 31 conhost.exe 21->31         started        53 64.185.227.155, 443, 49708 WEBNXUS United States 23->53 55 api.ipify.org 23->55 77 Tries to harvest and steal browser information (history, passwords, etc) 23->77 33 conhost.exe 25->33         started        57 api.ipify.org 27->57 35 conhost.exe 29->35         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2023-04-01 03:05:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmfydfjna44wxg3rt4fq7ujo267wklamwrsa4boijhbufmgxx7da._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
191529d733524665838e0d27b44844ca0a3c914d8577d4f2d8c8b93ea4a7729a
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528316d1f9bffa057f38d641fce8315af4fd93a80138027f1d0850546a0c59cc
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769d0e9720bbc74f76e295710fbc77d8cb3998353ca7084bc121e780c9b1f3ef
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89b5371841e3eb63f290b60717e55ddfc8518803e14419d5c9ad3a6bf111c2c8
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c0d69c07096000d15184964499d68e91874da06fc8d461ae8b4bc376ea72fd30
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d03b8c0fcbbdc16e4c7d5794c037ad639ce4c55aa42fc1905c179c4213d0b04f
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e1332c9ff034ded7f31b405f082cba3f67c5bf23f679e08643907ff26679cbfb
AgentTesla
+ 1'730 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/230401-l1mh3shc47/
Behaviour
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:
4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6
MD5 hash:
d87984674b4e613778c3652753aeddd9
SHA1 hash:
44d3585abe662f7955bd862641ef2f41a3bc01cb
Link:
https://www.unpac.me/results/c803f440-76a0-4bb1-abf9-6c12c0283ea1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b0b81952d07/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/4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6

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: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 f67a5257b3e972575baeb2e6442d5d5232e149f2a549f99ed9a2b67345e8b1a2

AgentTesla

Executable exe 4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/379218/
  
Dropped by
SHA256 f67a5257b3e972575baeb2e6442d5d5232e149f2a549f99ed9a2b67345e8b1a2
  
Dropped by
MD5 e5ea5b6aa6c5ecbb8be8ccbf3c336d31

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