MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19f43d1f8fd11eccbdb2d9ce05a16983fe394cbd92943bc57943e4bbbb686687. 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: 19f43d1f8fd11eccbdb2d9ce05a16983fe394cbd92943bc57943e4bbbb686687
SHA3-384 hash: 35f8c181d5824e09b0830f3647f377b868ddcc9d58296bc7c9561791e27216be2664288821e5f469d6e982abf6a55693
SHA1 hash: 6e5d088b7964f752c2c0cde04f4e9dc2e1dbae93
MD5 hash: cac2ea2a23327bf7cf631ecb376f53d2
humanhash: fifteen-green-solar-grey
File name:dhlShipment Document BL,INV and Packing List Attached.exe
Download: download sample
Signature FormBook
File size:777'728 bytes
First seen:2020-08-04 12:59:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xHcPgYxmOE+2Do4pPeRH89f7ss5YSW2VZ44tfFd6WGugDV:KIYxPeVZl+sW5sXttSuQV
Threatray 5'105 similar samples on MalwareBazaar
TLSH A6F4AFC6E5408E50EC294A3B8C3399924B33AC5BEF425606349CFA556BF31D66E35F83
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256977 Sample: dhlShipment Document BL,INV... Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 55 www.drivingsalesinnovationguide.com 2->55 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Yara detected AntiVM_3 2->67 69 9 other signatures 2->69 11 dhlShipment Document BL,INV and Packing List Attached.exe 1 2->11         started        signatures3 process4 file5 49 dhlShipment Docume...st Attached.exe.log, ASCII 11->49 dropped 14 dhlShipment Document BL,INV and Packing List Attached.exe 11->14         started        process6 signatures7 87 Modifies the context of a thread in another process (thread injection) 14->87 89 Maps a DLL or memory area into another process 14->89 91 Sample uses process hollowing technique 14->91 93 Queues an APC in another process (thread injection) 14->93 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 51 www.nutxes.net 217.76.132.180, 49747, 80 ONEANDONE-ASBrauerstrasse48DE Spain 17->51 53 www.xn--abonnemangshjlpen-2qb.com 194.9.94.85, 49748, 49749, 49750 LOOPIASE Sweden 17->53 43 C:\Users\user\AppData\...\w8tpbfrpkt10.exe, PE32 17->43 dropped 71 System process connects to network (likely due to code injection or exploit) 17->71 73 Benign windows process drops PE files 17->73 22 netsh.exe 1 17 17->22         started        26 w8tpbfrpkt10.exe 17->26         started        28 w8tpbfrpkt10.exe 1 17->28         started        30 5 other processes 17->30 file10 signatures11 process12 file13 45 C:\Users\user\AppData\...\254logrv.ini, data 22->45 dropped 47 C:\Users\user\AppData\...\254logri.ini, data 22->47 dropped 75 Detected FormBook malware 22->75 77 Tries to steal Mail credentials (via file access) 22->77 79 Tries to harvest and steal browser information (history, passwords, etc) 22->79 85 2 other signatures 22->85 32 cmd.exe 1 22->32         started        81 Injects a PE file into a foreign processes 26->81 34 w8tpbfrpkt10.exe 26->34         started        37 w8tpbfrpkt10.exe 28->37         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 39 w8tpbfrpkt10.exe 30->39         started        signatures14 process15 signatures16 41 conhost.exe 32->41         started        57 Modifies the context of a thread in another process (thread injection) 37->57 59 Maps a DLL or memory area into another process 37->59 61 Sample uses process hollowing technique 37->61 process17
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-04 12:58:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Formbook Payload
Formbook
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.

  
Delivery method
Other

Comments