MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95574ab20f094a30ec1f5d3cd6694e6afd0a5c4809e0151f5bd2b427bbbb33df. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: 95574ab20f094a30ec1f5d3cd6694e6afd0a5c4809e0151f5bd2b427bbbb33df
SHA3-384 hash: e5fa067824a9ab8a1cfee5a9009956840e97578b572c8ad2992d6bdf34cfbf0d4b61e1e31c48534eb5b97caa310e5760
SHA1 hash: ba95a539e94f0a82f2140522902d770730e76aaa
MD5 hash: a280142137b1aeb5e45c793e2ab317dc
humanhash: fish-arkansas-ack-winner
File name:order.exe
Download: download sample
Signature FormBook
File size:515'072 bytes
First seen:2020-07-16 07:16:13 UTC
Last seen:2020-07-17 00:28:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LGOFz2k4zURlDIzrJzppRyjaz0Ug6Ki/6px:LGYzlsrJzpnL
Threatray 5'161 similar samples on MalwareBazaar
TLSH 03B46AFC3550B18EC59E8D3689A4ED7066236C22F6FBD10663C36D9B793D786CB011A2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: dekruco.com
Sending IP: 5.206.227.64
From: Andy Lili <sitesuporte@lookchemicals.com.br>
Subject: Fw:Re:Re: New order for shipment requirement
Attachment: order.img (contains "order.exe")

Intelligence


File Origin
# of uploads :
6
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Detected FormBook malware
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246875 Sample: order.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 49 www.maviswancyzk.com 2->49 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 7 other signatures 2->61 11 order.exe 1 2->11         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\order.exe.log, ASCII 11->45 dropped 75 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->75 77 Tries to detect virtualization through RDTSC time measurements 11->77 79 Injects a PE file into a foreign processes 11->79 15 order.exe 11->15         started        signatures6 process7 signatures8 83 Modifies the context of a thread in another process (thread injection) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Sample uses process hollowing technique 15->87 89 Queues an APC in another process (thread injection) 15->89 18 explorer.exe 1 6 15->18 injected process9 dnsIp10 51 www.howcuty.com 198.187.30.43, 49720, 80 NAMECHEAP-NETUS United States 18->51 53 www.sabrinacameron.com 18->53 37 C:\Users\user\AppData\Local\...\igfx6lpx6.exe, PE32 18->37 dropped 63 System process connects to network (likely due to code injection or exploit) 18->63 65 Benign windows process drops PE files 18->65 23 msiexec.exe 1 19 18->23         started        file11 signatures12 process13 file14 39 C:\Users\user\AppData\...393-logrv.ini, data 23->39 dropped 41 C:\Users\user\AppData\...413-logri.ini, data 23->41 dropped 43 C:\Users\user\AppData\...433-logrf.ini, data 23->43 dropped 67 Detected FormBook malware 23->67 69 Tries to steal Mail credentials (via file access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 73 3 other signatures 23->73 27 cmd.exe 2 23->27         started        31 cmd.exe 1 23->31         started        signatures15 process16 file17 47 C:\Users\user\AppData\Local\Temp\DB1, SQLite 27->47 dropped 81 Tries to harvest and steal browser information (history, passwords, etc) 27->81 33 conhost.exe 27->33         started        35 conhost.exe 31->35         started        signatures18 process19
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 07:18:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
evasion spyware trojan stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Deletes itself
Reads user/profile data of web browsers
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Formbook
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information


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

Malspam

FormBook

Executable exe 95574ab20f094a30ec1f5d3cd6694e6afd0a5c4809e0151f5bd2b427bbbb33df

(this sample)

  
Delivery method
Distributed via e-mail attachment

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