MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efaa9091d5aa1f64ae3b3c1258e90d5bb346e25e75ae3c4530ea9346380e2158. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: efaa9091d5aa1f64ae3b3c1258e90d5bb346e25e75ae3c4530ea9346380e2158
SHA3-384 hash: 3daa87627030a20953b6ce84c9a0f9852296cc31edadd201284fb0eceac91248691eacc77703c7a1b89a3e2233ce87c0
SHA1 hash: 3dc87c715b30dc4f7d6d07b66743f1dee1bd2031
MD5 hash: ce827cc5b3880f31fc3088ec1180c5e5
humanhash: equal-helium-venus-equal
File name:FA 2374 LDS JULY 2020.exe
Download: download sample
Signature FormBook
File size:453'120 bytes
First seen:2020-07-03 06:16:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:iKLExYSBWCS5qbaJ7V2qtUt2XhbQTh8qx5s:rExBI5hJ7cehbQCq
Threatray 4'920 similar samples on MalwareBazaar
TLSH A0A49DB1D35DAFA8E499B23CA13248231D6BBD3F9963961D284F30781CB278641F6D53
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: dlveltex.co
Sending IP: 111.90.145.49
From: Lauren <lauren@dlveltex.co>
Subject: attached selected items and confirmed copy of quotation for your reference.
Attachment: FA 2374 LDS JULY 2020.rar (contains "FA 2374 LDS JULY 2020.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Threat name:
ByteCode-MSIL.Trojan.Avemariarat
Status:
Malicious
First seen:
2020-07-03 06:18:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
spyware trojan stealer family:formbook persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
Formbook
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

FormBook

Executable exe efaa9091d5aa1f64ae3b3c1258e90d5bb346e25e75ae3c4530ea9346380e2158

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments