MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09a428389e8aa058f66078acc830b2311db2535d68818396385e1e6712334530. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09a428389e8aa058f66078acc830b2311db2535d68818396385e1e6712334530
SHA3-384 hash: 621dd1f8c2e9d87e65eb07a0e8b2d435e95d858241e493336297a8ae36bfd4caf9bb801797c9acd6255e6a2dfa1c1f9a
SHA1 hash: 9d1204e20cf211cd3b02c25f23acb885e4dfc61d
MD5 hash: 77d40c6b5386cfe2ee7d276bd36bdd7f
humanhash: fruit-echo-high-football
File name:suc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:464'384 bytes
First seen:2020-08-03 07:46:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:JpKHAgbCa8sGQTZjSX+J0c3vg9vKOe+xgKxJ39ITc1FhS:JIHX8kTdSO+c+Fx9zdS
Threatray 2'266 similar samples on MalwareBazaar
TLSH F6A47C353DC3C034EA650AB4943969C6A62D3A393B55CA6EB3D6138C5F4305FBB1722E
Reporter JAMESWT_WT
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37493/
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/407655
Signature
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256118 Sample: suc.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 64 14 Malicious sample detected (through community Yara rule) 2->14 16 Yara detected FormBook 2->16 18 .NET source code contains very large array initializations 2->18 7 suc.exe 3 2->7         started        process3 signatures4 20 Injects a PE file into a foreign processes 7->20 10 suc.exe 7->10         started        process5 process6 12 WerFault.exe 23 9 10->12         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/09a428389e8aa058f66078acc830b2311db2535d68818396385e1e6712334530/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 07:48:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgscqoe6rkqfr5tapcwmqmfsgeo3eu25ncayhfrylypgoertiuya._file
Verdict:
malicious
Similar samples:
30d3cf43f91eea8df889ee14337ca8067bc68521ff63184c679aac80b321bb75
Formbook
478dce496a9eca179f7503d76fa70a27d85e2e8547b81b5c80fc7433122085c3
Formbook
59793c1ac9d8537e06996b0a09f161deb98a77d527b0bc97b18e15972f120a2d
Formbook
7c2b01523e8d8a1ea6d09a426ad2a8fb88ec84bb9d3d0c42743b86ab16bd54c7
Formbook
85774cdd3163c5e259dafdf67b113fd69fa8f4f9ebd964ee91b099bd2f58ebfd
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
a76588c6088ba6b56904fa50df8547ff3b93a67b520769d73e92b04bb8d718d6
Formbook
b9c1be5f81b9261b1bb68fb0f667a57721bd04b750427a9382844c42d18dba6e
Formbook
e6d371badc121f232f4305f3a50f0a136d1b7edbc3337414ca692c26ae41986c
Formbook
f7321d982e89fafff68c30ca74dbc1612466c4385a51a0a7b203641e31b27c26
Formbook
+ 2'256 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200803-s88wcb4py2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
System policy modification
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/09a428389e8aa058f66078acc830b2311db2535d68818396385e1e6712334530

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.

Web download

Formbook

Executable exe 09a428389e8aa058f66078acc830b2311db2535d68818396385e1e6712334530

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37493/
  
URLhaus
https://urlhaus.abuse.ch/url/423742/
  
Delivery method
Distributed via web download

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