MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b472e0868ad8c08854f2272abd8d06fbfe068dd61803d6e3ea1866a46c14fe27. 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: 6


Intelligence 6 IOCs YARA 25 File information Comments

SHA256 hash: b472e0868ad8c08854f2272abd8d06fbfe068dd61803d6e3ea1866a46c14fe27
SHA3-384 hash: e9f1baf1a1f89b41ac5f2e6838ea24acbe18e55ae81e896e0b00b5fd6207566264fe323d837aced658e910aba8539bb7
SHA1 hash: c765aec651543cb420b5d8cc17085c29ef53227a
MD5 hash: 4119b551eb2ced660f01c5ce1643311c
humanhash: robert-iowa-mississippi-monkey
File name:n3306-2260775 - DEC REQ.ISO
Download: download sample
Signature Formbook
File size:1'245'184 bytes
First seen:2023-12-04 13:40:35 UTC
Last seen:2023-12-04 17:16:30 UTC
File type: iso
MIME type:application/x-iso9660-image
ssdeep 12288:o2iNtIpl1OdUsf8a4qF7yxdCvpk8ipZhGOQJTtpxRFpf0yTn:o1pOsEa4qpMdwk8hJ5+y
TLSH T11345239163A88B6AE27507F51EE4A90A07719A0154E8E61E7CFD50CE6770BB2C77330B
TrID 47.7% (.ISO/UDF) UDF disc image (2114500/1/6)
46.2% (.NULL) null bytes (2048000/1)
5.7% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ATN) Photoshop Action (5007/6/1)
0.0% (.ISO) ISO 9660 CD image (2545/36/1)
Reporter FXOLabs
Tags:FormBook iso

Intelligence


File Origin
# of uploads :
2
# of downloads :
118
Origin country :
BR BR
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:3306_202.EXE
File size:699'392 bytes
SHA256 hash: 5e8b9a3cfcbc1a19ade37e8d246f61d95caf08ce139b6280b77dea376b626ec7
MD5 hash: da6e03c9a40eddb667fb577ef6d4335f
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
context-iso packed
Result
Verdict:
MALICIOUS
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2023-12-03 19:21:51 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

iso b472e0868ad8c08854f2272abd8d06fbfe068dd61803d6e3ea1866a46c14fe27

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments