MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f19931c3ed4df0c75c53daf0e7af1cfe86fc369b0fe99c1557f0b3708a78e868. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: f19931c3ed4df0c75c53daf0e7af1cfe86fc369b0fe99c1557f0b3708a78e868
SHA3-384 hash: f33e2a37d19cbe0b8fab9a3bcdbf94c671ea36778b309d311771d1d29ebb9d5cfca4e9cf6876f8f2c16b8832825a08c0
SHA1 hash: 14bcae8268a236b86b0181faf169a5dc41059685
MD5 hash: b16eb71ecd7e7e9e9c0a558d60454f60
humanhash: august-mobile-red-black
File name:dơn hàng mới.exe
Download: download sample
Signature FormBook
File size:415'232 bytes
First seen:2020-08-17 08:52:10 UTC
Last seen:2020-08-17 10:08:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'605 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:DM4EcmZHAFaxmVmie9bngPf2TLIunC6TrTWJ1B6hokLzWykvWAII9:w4EcmZHAFaxmVmie9bngPOTlvWLBzkne
Threatray 2'341 similar samples on MalwareBazaar
TLSH 40946A5A38D0E3DED1E54FB848149C1627FA2F1A061A9A0FCC6B39D373E9BC1BD24456
Reporter abuse_ch
Tags:exe FormBook geo VNM


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: host2.himbimarket.com
Sending IP: 72.52.244.66
From: Thanh Nguyen <info@makino.eu>
Subject: Re: Re: yêu cầu đặt hàng mới
Attachment: dơn hàng mới.zip (contains "dơn hàng mới.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-17 05:02:46 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fex-tracks.com/kvsz/
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:win_nymaim_g0
Author:mak, msm, CERT.pl

File information


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

Malspam

FormBook

Executable exe f19931c3ed4df0c75c53daf0e7af1cfe86fc369b0fe99c1557f0b3708a78e868

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments