MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0
SHA3-384 hash: 06cf54b262a4e4f1a1defb51626904158fe1dc46a7192bfa7e75e96611e9953600df797f27bb5e3c30c26b53752cb523
SHA1 hash: de251812b99d504c88fc96898a9d9214f5450548
MD5 hash: 386c8ecec9da6d2ce5503a9846f787bb
humanhash: sweet-foxtrot-blue-nitrogen
File name:download.iso
Download: download sample
Signature Formbook
Create hunting rule
File size:1'310'720 bytes
First seen:2024-01-16 17:52:04 UTC
Last seen:Never
File type: iso
MIME type:application/x-iso9660-image
ssdeep 24576:Cn1NJz/IIHFv9Hb8N9CfAMdZ9OZ+ckG5TpO6k11Tdl1w:ShbXvdbIi321vdk6k1hdl1w
TLSH T18E5523057AD44B06C1FA93F61991206187F5E8066897E3F23CEF70EE4B92B411761FAB
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 malwarology
Tags:FormBook iso

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
US US
File Archive Information

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

File name:CAPTURE_.EXE
File size:716'800 bytes
SHA256 hash: 386c21e5b7c6bedbef9bd6ece7df054027c96c0de8fa6d76c870012af3480f5a
MD5 hash: 4d5295a6519cb420313a8a4f37c27704
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
context-iso control lolbin packed
Link:
https://www.filescan.io/uploads/65a6c28359502c0e7b38793a/reports/f31961ee-21b5-4894-9499-21dd83477660/overview
Verdict:
Malicious
Labled as:
MSIL_Kryptik.KKJ.gen
Link:
https://www.hybrid-analysis.com/sample/49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2024-01-16 17:17:57 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfayvkkezd3yo3z3qhlqpxjoxb7qlkn6v33ozqjfdssxrcg753aa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240116-w6l5lsgecr/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49418aa944c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

iso 49418aa944c8f7876f3b81d707dd2eb87f05a9beaef6ecc1251ca57888dfeec0

(this sample)

Formbook

Executable exe 386c21e5b7c6bedbef9bd6ece7df054027c96c0de8fa6d76c870012af3480f5a

anyrun
any.run
https://app.any.run/tasks/4fae929f-f8f8-4319-857b-ade2501dec15
  
Dropping
SHA256 386c21e5b7c6bedbef9bd6ece7df054027c96c0de8fa6d76c870012af3480f5a
  
Delivery method
Distributed via e-mail attachment
  
Dropping
MD5 4d5295a6519cb420313a8a4f37c27704

Comments