MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b. 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



Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: 9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b
SHA3-384 hash: 81174c9eabdee9a781a1d5a84a41466b29f455d7d3611a4c280a4ac36d0218712e7d6d8f4b839e3fa3582c8fb70525b1
SHA1 hash: 58ad81c84ec579dc5e15b1b84a4939d398f97481
MD5 hash: 5cef4d15bae43132b36b2db81601aa16
humanhash: sink-berlin-vegan-seventeen
File name:Purchase Order 4500039272 Approved.exe
Download: download sample
Signature Formbook
File size:355'840 bytes
First seen:2023-12-07 11:00:19 UTC
Last seen:2023-12-07 14:07:00 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 6144:p0T5IUfFhkWbNyNffNfcTyg4XQdzQ9A185RDhq+2t55VEub:ppUthk2YNiegnzJ1ADhq1/9
TLSH T12B74F14AA7C14490C416237B69F7BF50AB119EB5E836D39B16313CBE2CB7772AD002D9
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 c098988898888890 (9 x AgentTesla, 3 x Formbook, 2 x PureCrypter)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
321
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
Found malware configuration
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)
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)
Snort IDS alert for network traffic
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 ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1355344 Sample: Purchase_Order_4500039272_A... Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 68 mail.bezzleauto.com 2->68 70 ip-api.com 2->70 72 2 other IPs or domains 2->72 88 Snort IDS alert for network traffic 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 10 other signatures 2->94 9 Purchase_Order_4500039272_Approved.exe 1 6 2->9         started        13 pdf.exe 6 2->13         started        15 pdf.exe 2->15         started        17 svchost.exe 1 2 2->17         started        signatures3 process4 dnsIp5 64 C:\Users\user\AppData\Roaming\pdf.exe, PE32 9->64 dropped 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->104 106 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->106 108 Encrypted powershell cmdline option found 9->108 116 3 other signatures 9->116 20 Purchase_Order_4500039272_Approved.exe 15 2 9->20         started        24 cmd.exe 1 9->24         started        26 powershell.exe 23 9->26         started        28 cmd.exe 1 9->28         started        110 Antivirus detection for dropped file 13->110 112 Multi AV Scanner detection for dropped file 13->112 114 Machine Learning detection for dropped file 13->114 30 pdf.exe 13->30         started        32 powershell.exe 13->32         started        34 cmd.exe 13->34         started        36 cmd.exe 13->36         started        38 cmd.exe 15->38         started        66 127.0.0.1 unknown unknown 17->66 file6 signatures7 process8 dnsIp9 74 mail.bezzleauto.com 45.151.123.240, 25, 49746, 49762 STUMPNERNETDE Germany 20->74 76 ip-api.com 208.95.112.1, 49741, 49761, 80 TUT-ASUS United States 20->76 96 Uses ipconfig to lookup or modify the Windows network settings 24->96 49 2 other processes 24->49 40 chrome.exe 1 26->40         started        43 conhost.exe 26->43         started        51 2 other processes 28->51 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->98 100 Tries to steal Mail credentials (via file / registry access) 30->100 102 Tries to harvest and steal browser information (history, passwords, etc) 30->102 45 chrome.exe 32->45         started        47 conhost.exe 32->47         started        53 2 other processes 34->53 55 2 other processes 36->55 57 2 other processes 38->57 signatures10 process11 dnsIp12 78 192.168.2.4, 138, 25, 443 unknown unknown 40->78 80 239.255.255.250 unknown Reserved 40->80 59 chrome.exe 40->59         started        62 chrome.exe 45->62         started        process13 dnsIp14 82 clients.l.google.com 142.250.189.142, 443, 49736 GOOGLEUS United States 59->82 84 www.google.com 142.250.217.164, 443, 49740, 49742 GOOGLEUS United States 59->84 86 4 other IPs or domains 59->86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-07 09:55:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 21 (95.24%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b
MD5 hash:
5cef4d15bae43132b36b2db81601aa16
SHA1 hash:
58ad81c84ec579dc5e15b1b84a4939d398f97481
Detections:
Typical_Malware_String_Transforms
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
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
Rule name:SUSP_Reverse_DOS_header
Author:SECUINFRA Falcon Team
Description:Detects an reversed DOS header
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b

(this sample)

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