MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf1744a99cc129275c96f046dce4eb83a76e8f46d1b90b9dcb1bcd2db49d0d10. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: bf1744a99cc129275c96f046dce4eb83a76e8f46d1b90b9dcb1bcd2db49d0d10
SHA3-384 hash: 410283c2f1b2b4ac63508600ff8b95b75240ecceadc4c3b4c571f99ea6bdec1de0a2a74cf3e6a571dda7386fb0480314
SHA1 hash: c034a607e4d2d8a324113869353af40c0e6f0219
MD5 hash: 803505f012f90c3bc60f77e5c86173c5
humanhash: black-connecticut-zebra-alpha
File name:803505f012f90c3bc60f77e5c86173c5.exe
Download: download sample
Signature Formbook
File size:829'952 bytes
First seen:2020-09-10 05:39:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 107c3368e512cbae16bf262df208efd9 (8 x AgentTesla, 5 x MassLogger, 3 x Formbook)
ssdeep 12288:5Am53b7XYJIdqam73S9gTmskNIpC6yr949Is/fJnqdT3MQnPOoup1apz:aQ3gIdrbm8rGIsnhqeQnEa
Threatray 2'243 similar samples on MalwareBazaar
TLSH 1E05B036E1A04873F072FA7C9D0772B8D82A7ED32E1899467BE4DD4C8E39651352A0D7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Detected FormBook malware
Detected unpacking (changes PE section rights)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
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: 283819 Sample: swpdz2sSus.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 53 www.nederlandsdagblad.online 2->53 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 8 other signatures 2->67 11 swpdz2sSus.exe 2->11         started        signatures3 process4 signatures5 85 Detected unpacking (changes PE section rights) 11->85 87 Maps a DLL or memory area into another process 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 91 Contains functionality to detect sleep reduction / modifications 11->91 14 swpdz2sSus.exe 11->14         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 47 www.becouf.com 162.0.231.165, 49737, 80 NAMECHEAP-NETUS Canada 17->47 49 www.thuongduochanquoc.com 17->49 51 www.nederlandsdagblad.online 17->51 41 C:\Users\user\AppData\Local\...\x8tpo4n.exe, PE32 17->41 dropped 69 System process connects to network (likely due to code injection or exploit) 17->69 71 Benign windows process drops PE files 17->71 22 chkdsk.exe 1 17 17->22         started        26 x8tpo4n.exe 17->26         started        28 x8tpo4n.exe 17->28         started        30 2 other processes 17->30 file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\-34logrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\-34logri.ini, data 22->45 dropped 73 Detected FormBook malware 22->73 75 Tries to steal Mail credentials (via file access) 22->75 77 Tries to harvest and steal browser information (history, passwords, etc) 22->77 79 Modifies the context of a thread in another process (thread injection) 22->79 32 cmd.exe 1 22->32         started        81 Maps a DLL or memory area into another process 26->81 34 x8tpo4n.exe 26->34         started        37 x8tpo4n.exe 28->37         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 signatures14 process15 signatures16 39 conhost.exe 32->39         started        55 Modifies the context of a thread in another process (thread injection) 34->55 57 Maps a DLL or memory area into another process 34->57 59 Sample uses process hollowing technique 34->59 process17
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-09-09 18:38:43 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.becouf.com/00k/
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.

Web download

Formbook

Executable exe bf1744a99cc129275c96f046dce4eb83a76e8f46d1b90b9dcb1bcd2db49d0d10

(this sample)

  
Delivery method
Distributed via web download

Comments