MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9377295578549a20aef16fabe32a2cf658c2ca9c522c52f30b2b8e25213a6a6d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9377295578549a20aef16fabe32a2cf658c2ca9c522c52f30b2b8e25213a6a6d
SHA3-384 hash: c5ecfc1da8f2472c208563f549b92ccd4e6b3cadf3e4db9a48b4c8f24010dd6ea46778402b701850a9da2398f94d3956
SHA1 hash: 62360798660fb61d60b42faf8a87c91d719ebeaf
MD5 hash: 52fb9ec28c62c2744f46f85730c9228a
humanhash: autumn-mexico-beer-nebraska
File name:invoice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:264'192 bytes
First seen:2020-06-08 09:32:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 67ba77d7d1837503c273a3bdea8991f6 (6 x FormBook)
ssdeep 6144:NIJW2wKioXtzGjYEjTGQmi+7H3bncoiH2PN7wk:NQXN8jYEXmp7X7cpWP6
Threatray 5'297 similar samples on MalwareBazaar
TLSH CA44E13B6CFCC03AD33E44741DFA9A7BAE453553F16EAF42B11C01A48B9C2444AD65DA
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: WIN-C0H36PDGXMU
Sending IP: 103.147.184.95
From: Catherine<admin@genoxy.cf>
Subject: new purchase order
Attachment: new purchase order.r01 (contains "invoice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

SecuriteInfo.com.Artemis566E8802209B.14842.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-06-08 07:42:15 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sn3ssvlyksncblxrn6v6gkrm6zmmfsu4kiwff4ylfohckij2njwq._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
emotet
Create hunting rule
Similar samples:
223bbe1af0d09289a1ebeddf78e3218fcae28d0a69c291d66fee5fa29337844a
FormBook
27faaaca4acb955010d7b8c16764a536c04149f2d332f99668d6ff6f292bfc20
FormBook
322427854deccec94e7331e8d3faa9f2701289b8e2faac322889c5b04d6b8f5e
FormBook
52b517b0e9be1efed3349ff5b7e7e4a392881437d7bc9ccd7b94bbc23e28a2f9
FormBook
5628310c6fe718d77dadbc5c8cb6238faa27942517b590c2a87c07aadca429d6
FormBook
7c66608deabea6d49fdb10297968e1b42c61ff456e3877d87a834eff0de01485
FormBook
916237116e09e4233846389b7410a8ccc7e7ef96c0ed97c3fdb19a08499504af
FormBook
a0c49ccef1033cbd0119355f93a8109dccf48d53f0fc155e152efaa7ebf44a5a
FormBook
a91c5af7a94238bb1556b641b9f5bc7798133b3d699a9f3d5b88b8f8fc12f091
FormBook
ce860f3976ba5df3c4465a4b60d12980677dccc961a9fa91555c7b9de14c3dd8
FormBook
+ 5'287 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201109-f72d2mabjn/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
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
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.allixanes.com/ka30/
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
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

r01 e122f1c16e3e354c238af93f763e17494abfad69fc1532b98599b11dcbaf1837

FormBook

Executable exe 9377295578549a20aef16fabe32a2cf658c2ca9c522c52f30b2b8e25213a6a6d

(this sample)

  
Dropped by
MD5 7f20bba7341d9991fc77b2e390d9aaec
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e122f1c16e3e354c238af93f763e17494abfad69fc1532b98599b11dcbaf1837

Comments