MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd
SHA3-384 hash: 931238edfd3436bd0fc1107c76f1d445b95dfb296bc4d5cdcea8bfd1880f2d63e7f72f167b4b45b2bf1c2844b2aa9b7f
SHA1 hash: cdb73e6bd75bf2b7a4ef54435a5dd0179c67693b
MD5 hash: d805ae4b8c9cc7d49432a7dd3f5de693
humanhash: solar-six-lemon-social
File name:PO#9943441.xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:908'800 bytes
First seen:2020-08-18 19:20:58 UTC
Last seen:2020-08-18 20:12:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:0V2wunldSL9/jlaD8jzurlsY4/Pg1IWSzOvZFTiEExL08koTxBroW:0V2ruLxjlaqmlsYKPg1k4FGEE28V
Threatray 2'284 similar samples on MalwareBazaar
TLSH 0815E7F933494C2EC6192F70CAA494F2B9232E09B70D45AA5DBB9E150EDD01FB91913F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: slot0.sanrentas.com
Sending IP: 104.168.236.22
From: import and export department <info@sanrentas.com>
Reply-To: import and export department <info@sanrentas.com>
Subject: order PO#9943441
Attachment: PO9943441.xls.rar (contains "PO#9943441.xls.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48034/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.29493.16993.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
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 05:01:25 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifocftvrsj5wpqq32vkch52xcozjzjuvb2aghb7crk536gomzc6q._file
Verdict:
malicious
Similar samples:
30bf20d0b592d380864b7ad863e8189d9375ff925d75131221bfdb33a3645199
Formbook
3d8ff1b4492a541b44c03733b090c73fd992535d8c4e867abc0e6aeaf5b58b30
Formbook
4fd6cfb4c08338e8b3a6ec64118aa6ad90350e865e90365b5b700aa41908b984
Formbook
8067539c7f15318bf8e93b32e339c7236e3b242e8d56637f2c64f6d01c83b3c9
Formbook
8e2f9a1b23ade94b0803ea57ac92e916daad73d760f075fed8f1443715104531
Formbook
9295ce88660ed117b7cfff0886232a51dc6492bf6100738957bf93fabdb74bb8
Formbook
b25e43fe3f6068eb13b79f8900dea897533005aee7e2139e6676b7cdc92cc588
Formbook
c62ef08103c30d5d2d18fbc2eff820985af40aa377828ef72c3ecad495103511
Formbook
d5231355835fc25fb6f9923639331084ff0ae602929793c263e01eda38d2fa1b
Formbook
e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b
Formbook
+ 2'274 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
agilenet rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200818-1x5mve7hjj/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of web browsers
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/gdo/
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/415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd

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

rar 93908b3545a7c137ee9d9b8c496fc01b2847538bc25768470bf3c2665c6a3b32

Formbook

Executable exe 415c22ceb1927b67c21bd55423f75713b29ca6950e806387e28abbbf19ccc8bd

(this sample)

  
Dropped by
MD5 de9da3abf6aafbfc2d213f88329c30a3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48034/
  
Dropped by
SHA256 93908b3545a7c137ee9d9b8c496fc01b2847538bc25768470bf3c2665c6a3b32

Comments