MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4713ffcea7cd7a9dd280e039ddb249a2bda70d0180aa0c48e6645fd8823b5072. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 4713ffcea7cd7a9dd280e039ddb249a2bda70d0180aa0c48e6645fd8823b5072
SHA3-384 hash: fb9396f2eb746b8585d7d068b8b92257a9aea7853cb717ab1901cd038384bc6555dbf77ecc7616245036fbae0dd71e61
SHA1 hash: c0fa5e08f9bcd773dee5d42943c50b11c2ef6807
MD5 hash: 7709204dd0793d81029e82ae32acc59c
humanhash: uranus-avocado-leopard-north
File name:TransportLabel_7104874512.exe
Download: download sample
Signature FormBook
File size:459'776 bytes
First seen:2020-08-19 13:02:56 UTC
Last seen:2020-08-22 05:30:52 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 6144:tZINqdp6gxl408bGW3TtmgIXdsLMgxzpp9fJjJPB1lFdoTF6Zw/f6v8Ftdgr5E:ftP3Lz85Tkd6MgxfB9j1lbiF6n0rW
Threatray 2'271 similar samples on MalwareBazaar
TLSH 97A4121539DDBF28D97D7BF69522012563F2A102C332D65DBEC2A0AD246FF8089F5A43
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: swn0.metalvxini.gq
Sending IP: 159.65.7.158
From: DHL Customer Support <support@metalvxini.gq>
Subject: Urgent: DHL delivery receipt Wrong delivery Address
Attachment: ShipmentReceipt_7104874512..zip (contains "TransportLabel_7104874512.exe")

Intelligence


File Origin
# of uploads :
4
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Benign windows process drops PE files
Binary contains a suspicious time stamp
Creates autostart registry keys with suspicious names
Detected FormBook malware
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 271520 Sample: TransportLabel_7104874512.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 57 www.thewowcollective.com 2->57 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 Yara detected AntiVM_3 2->69 71 8 other signatures 2->71 11 TransportLabel_7104874512.exe 7 2->11         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\AIXJWqtK.exe, PE32 11->45 dropped 47 C:\Users\...\AIXJWqtK.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp8BBD.tmp, XML 11->49 dropped 51 C:\...\TransportLabel_7104874512.exe.log, ASCII 11->51 dropped 77 Tries to detect virtualization through RDTSC time measurements 11->77 79 Injects a PE file into a foreign processes 11->79 15 TransportLabel_7104874512.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 95 Modifies the context of a thread in another process (thread injection) 15->95 97 Maps a DLL or memory area into another process 15->97 99 Sample uses process hollowing technique 15->99 101 Queues an APC in another process (thread injection) 15->101 20 explorer.exe 3 6 15->20 injected 25 conhost.exe 18->25         started        process9 dnsIp10 59 www.taylordesignhomestaging.com 20->59 61 www.sibabattery.com 20->61 63 2 other IPs or domains 20->63 43 C:\Users\user\AppData\...\3fm8fmzktdxo.exe, PE32 20->43 dropped 73 System process connects to network (likely due to code injection or exploit) 20->73 75 Benign windows process drops PE files 20->75 27 control.exe 20->27         started        31 3fm8fmzktdxo.exe 20->31         started        33 3fm8fmzktdxo.exe 20->33         started        file11 signatures12 process13 file14 53 C:\Users\user\AppData\...\488logrv.ini, data 27->53 dropped 55 C:\Users\user\AppData\...\488logri.ini, data 27->55 dropped 81 Detected FormBook malware 27->81 83 Tries to steal Mail credentials (via file access) 27->83 85 Creates autostart registry keys with suspicious names 27->85 93 4 other signatures 27->93 35 cmd.exe 27->35         started        87 Writes to foreign memory regions 31->87 89 Allocates memory in foreign processes 31->89 91 Injects a PE file into a foreign processes 31->91 37 schtasks.exe 31->37         started        signatures15 process16 process17 39 conhost.exe 35->39         started        41 conhost.exe 37->41         started       
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-19 01:24:00 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lonxer.com/g2t/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe 4713ffcea7cd7a9dd280e039ddb249a2bda70d0180aa0c48e6645fd8823b5072

(this sample)

  
Delivery method
Distributed via e-mail attachment

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