MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab12a111885480b3518449ff615d118b0ba908e4f3f0179c8da797c7c815cbfe. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab12a111885480b3518449ff615d118b0ba908e4f3f0179c8da797c7c815cbfe
SHA3-384 hash: 4e3c9c212c030369deea980b01826ef558f21d63af1ebdf97f68100b7ae014ca7ba237141389de6123035f3eeaa33b08
SHA1 hash: 2153b926fbb23eac4af1235f3dc3ff867cbaf174
MD5 hash: 6b72bf98756a106ce4ffb0d7ef1be954
humanhash: undress-sierra-single-montana
File name:Remittance advice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:851'968 bytes
First seen:2020-07-10 17:47:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 18b4de308ad51a2f49b22dc6eb50f125 (1 x FormBook, 1 x AgentTesla, 1 x 404Keylogger)
ssdeep 12288:eFCEbHHA0GxbQs7fbEBa6rqOcEGnWwLGzS7OUOMPfNmxWOXamFp6CdwYK:KhnApQs7pgw3dO8XNms6amFp5SY
Threatray 3'982 similar samples on MalwareBazaar
TLSH 7605AF23F2D14833C17F1A389D0B57B4AD26BE103A28AD876BF56D4C5F396903936297
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: servidor.quoqle.es
Sending IP: 185.37.226.85
From: Accounts Payable <atostradingest@mail.com>
Subject: Re: Remittance advice
Attachment: Remittance advice.zip (contains "Remittance advice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24472/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun with Startup directory
Deleting of the original file
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ab12a111885480b3518449ff615d118b0ba908e4f3f0179c8da797c7c815cbfe/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 17:49:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmjkcemiksalgumejh7wcxirrmf2sche6pybphenu6l4psavzp7a._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
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06e0e3da562a627b84f328a76d70b62326e2b5a82fd28bf943b6d3dfd1f26cb7
FormBook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
FormBook
3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0
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590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
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6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
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877d8c1f8ba6cf5a0c7ccbd75d3b83b6d74557fb8d20976a20ef98d8d0ef7c5a
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a6009a6b0724811f3bb71fc6f0c6b3b1aad71448948175949c7eb8af82034e91
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b9c1be5f81b9261b1bb68fb0f667a57721bd04b750427a9382844c42d18dba6e
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d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
FormBook
eefab144fefdb2883084329ab3755717ed6882b348eea18aa611a0a446c39f69
FormBook
+ 3'972 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200710-dm5x3ccpnn/
Behaviour
Suspicious behavior: EnumeratesProcesses
System policy modification
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Drops startup file
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
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

File information

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

Malspam

FormBook

zip caeaf0b1b621086b4ef44d22a349124626feaeb4d2df8675cba19e6fb645d656

FormBook

Executable exe ab12a111885480b3518449ff615d118b0ba908e4f3f0179c8da797c7c815cbfe

(this sample)

  
Dropped by
MD5 b3686f0d6a4b8d29678c8b5ebe6530c6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24472/
  
Dropped by
SHA256 caeaf0b1b621086b4ef44d22a349124626feaeb4d2df8675cba19e6fb645d656

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