MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 344d949f94b4420c0cd7772fa786e17059d5599df223a93ef999ea2c663ad8be. 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: 344d949f94b4420c0cd7772fa786e17059d5599df223a93ef999ea2c663ad8be
SHA3-384 hash: b4fc58a1a9aeabe28e223d5dc4bfabef0fdd2ce2250a52722c5d56f1eac0f29bf17cfedf88092640b28621c840c2360e
SHA1 hash: df79c7f9ce9ae5dd5c6e2c98ffeae465c87dd497
MD5 hash: 739b5c9945aa1a18d824df02f98e4108
humanhash: burger-diet-autumn-nineteen
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:317'440 bytes
First seen:2020-08-17 18:51:55 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 6144:0e97/irpSO7XtjiTOFMWHFyclHRrrxo4Y9hGfSnhXs:0GKpSCtjJFTFyeVrb0hw
Threatray 2'240 similar samples on MalwareBazaar
TLSH 1864D09766D15923C93869332121973817E68313A0A7DB25E4BF07A32F03FF92761AD6
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp2.hiworks.co.kr
Sending IP: 121.254.168.210
From: tanmiao2005@iltop.net <tanmiao2005@iltop.net>
Reply-To: "tanmiao2005@iltop.net" <tanmiao2005@iltop.net>
Subject: RE:Request For Quotation
Attachment: SKM20200817.img (contains "Quotation.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-17 18:53:07 UTC
AV detection:
20 of 29 (68.97%)
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 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/dmn/
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 344d949f94b4420c0cd7772fa786e17059d5599df223a93ef999ea2c663ad8be

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments