MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5da7735fc8be010eaed89e5776cabe530402d4c6d0c6e5c5de515f12e05081f8. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5da7735fc8be010eaed89e5776cabe530402d4c6d0c6e5c5de515f12e05081f8
SHA3-384 hash: 151108bb223aaf07169cf464275bc8f4367804ed4002cdddc56c9a49bc5724d46ff94c5b2c567b75d437b6f63e332a7d
SHA1 hash: 0476f4cb003be46d3627fa4b475a71302269682d
MD5 hash: 740019072c172c397faf1d9cf47343a9
humanhash: pip-video-carpet-asparagus
File name:Scan_02_06_20_pdf.exe
Download: download sample
Signature FormBook
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File size:326'144 bytes
First seen:2020-06-02 06:59:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash acfd6abb9b51dc74b70cc24ba8999759 (4 x FormBook)
ssdeep 6144:Gno3bQpwyBMs0BsJae3B4QRtZI1vLc4HRyvw:TNmM9iae3+QjYA
TLSH C864DF62A360812EF106EA3D15D51013EAB7BC48B5F475C7AEC529B1DAB30BF1B38356
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: se1f-lax1.servconfig.com
Sending IP: 173.231.224.6
From: Braumiller Law Group <aalmuaibid@csc.org.sa>
Subject: Legal Action Notice
Attachment: Scan_02_06_20_pdf.zip (contains "Scan_02_06_20_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
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Gathering data
Threat name:
Win32.Trojan.Kryptik
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Status:
Malicious
First seen:
2020-06-02 00:36:36 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lwtxgx6ixyaq5lwytzlxnsv6kmcafvgg2ddolro6kfprfycqqh4a._file
Verdict:
malicious
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201109-xht22lmn82/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
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.masionlex.info/0nhx/
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
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
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Author:Slavo Greminger, SWITCH-CERT
Rule name:win_nymaim_g0
Create hunting rule
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

zip 2d6d9e92aca78fce1b600cb8ad98659148e46703f11b9cc94c7607c2f59f7ca0

FormBook

Executable exe 5da7735fc8be010eaed89e5776cabe530402d4c6d0c6e5c5de515f12e05081f8

(this sample)

  
Dropped by
MD5 fc1cf1de6307e23164aa80297d88b2da
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2d6d9e92aca78fce1b600cb8ad98659148e46703f11b9cc94c7607c2f59f7ca0

Comments