MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4b84d2226bcb153d0f93007ccfe4277efad09572f0ea2396a7700e93cfebcf. 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: 5


Intelligence 5 IOCs YARA File information Comments

SHA256 hash: fc4b84d2226bcb153d0f93007ccfe4277efad09572f0ea2396a7700e93cfebcf
SHA3-384 hash: 78e34adf673e1ddcaa6572690574943a87d16db5d2362ec0fc590058292dbb2c201e04d8298891bd0abc326b3789a384
SHA1 hash: 797e1bf6e090dd47f11aa6e7948c64951dfa9e0c
MD5 hash: 738f1b1ab7f97c6c45b77a8225cd1f09
humanhash: lamp-speaker-mike-earth
File name:COTTON SRL.exe
Download: download sample
Signature FormBook
File size:286'720 bytes
First seen:2020-05-13 06:16:11 UTC
Last seen:Never
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:QOoSZM52yMb2i1iYEpw3ig8oje1q4v9AusL6TP/6vA2xJFp:QOo7kNXivILK1hscPSvASvp
Threatray 5'133 similar samples on MalwareBazaar
TLSH 3654021E22FAAC2FCB9D35F89457598903F2B11B6AC1E7C9CD9128EB52D17C0835394B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: cathay-food.co
Sending IP: 111.90.140.123
From: Ciao <ciao@cathay-food.co>
Subject: Re: RE: New POs P25366 (KS20044) & P25360 (KS20043)
Attachment: COTTON SRL.rar (contains "COTTON SRL.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-13 07:39:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of UnmapMainImage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.doverax.com/c2h/
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 fc4b84d2226bcb153d0f93007ccfe4277efad09572f0ea2396a7700e93cfebcf

(this sample)

  
Delivery method
Distributed via e-mail attachment

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