MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3289e282e7c031fde98778bac0057bad5d933c85da0b43d95f177c6333fc3c2. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3289e282e7c031fde98778bac0057bad5d933c85da0b43d95f177c6333fc3c2
SHA3-384 hash: 99bef61015354321c1d9b379e2e2a613e9a9cbf8e877f21390a2753848c1c2bc9a1af8ef7165e46be541d8ed35d7ed34
SHA1 hash: d926949376d0c59b593b7ee2de52051a961bb51d
MD5 hash: 07acf9341d66edd362f465dbed70dc23
humanhash: india-xray-march-table
File name:order sales contract.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:532'480 bytes
First seen:2020-08-14 05:53:27 UTC
Last seen:2020-08-14 06:49:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:OS1FFkBGs5bc5tHBonRQ11OwSgGvGmYHKP8Tocojnl4fYyhWdns3mmFh1DrrWhK8:OS1zkkNtheQXiumYqP8TocVhb3zDu
Threatray 2'240 similar samples on MalwareBazaar
TLSH 5BB45E3535838839D9334271A4BC5AD2F32A6A443BC4C72EA7EB13CC6F0156B77A654E
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45518/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.3937.1872.6718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/428590
Signature
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3289e282e7c031fde98778bac0057bad5d933c85da0b43d95f177c6333fc3c2/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 05:55:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmuj4kbopqbr7xuyo6f2yacxxlk5sm6ilwqlipmv6f34mmz7ypba._file
Verdict:
malicious
Similar samples:
0e7ba6c8acc0e3de5a31e050eb287daba683c992e12c4715730ef3ccf3bbf575
Formbook
3d8ff1b4492a541b44c03733b090c73fd992535d8c4e867abc0e6aeaf5b58b30
Formbook
4fd6cfb4c08338e8b3a6ec64118aa6ad90350e865e90365b5b700aa41908b984
Formbook
8e2f9a1b23ade94b0803ea57ac92e916daad73d760f075fed8f1443715104531
Formbook
9295ce88660ed117b7cfff0886232a51dc6492bf6100738957bf93fabdb74bb8
Formbook
a09022457c7802a48a3f2ef32b8008da65fb4b28b43c8e6ac37c44f0a3ecc028
Formbook
b25e43fe3f6068eb13b79f8900dea897533005aee7e2139e6676b7cdc92cc588
Formbook
d77b158058cb4a8ba8817a630e3d664e01f5f4f7cf1069d25e256b987eca1a6f
Formbook
e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b
Formbook
e548234adb2b484793484466ef99084bb77854de66782af91e38420a198b4f83
Formbook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
agilenet rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200814-w71r467g96/
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yofdyk.com/gbr/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3289e282e7c031fde98778bac0057bad5d933c85da0b43d95f177c6333fc3c2

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

File information

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

Malspam

Formbook

zip 614f65e624aa49b9de0c5f605428091f4817745b857c930fc129aac6f23618d8

Formbook

Executable exe b3289e282e7c031fde98778bac0057bad5d933c85da0b43d95f177c6333fc3c2

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 614f65e624aa49b9de0c5f605428091f4817745b857c930fc129aac6f23618d8
Cape
Cape
https://www.capesandbox.com/analysis/45518/

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