MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb
SHA3-384 hash: bcb5d1b14d3db8d70c31661018e948527c1f601a6e2c090e9bed94797cefab3e4f548fe65db2f3e26474e2d2c60ad965
SHA1 hash: f5b2ff35cee24c6fe083ce95409bebe92de97f9d
MD5 hash: e4cd22aa149644d6606290ebf0375d67
humanhash: charlie-ack-georgia-indigo
File name:e4cd22aa149644d6606290ebf0375d67.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:833'536 bytes
First seen:2024-11-14 08:13:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'819 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 24576:YVBZgsmHAszMh/MHNiZFollKHK4EFfaeOobGm:YwHAxwiZhq7taZYG
TLSH T1AC05224A768C4311D41C217680EB0A3587F1AEE32772E29B7F4C57DD9A12B729ED0F4A
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:AgidCert exe FormBook Spam-ITA www-vasehu-xyz

Intelligence

File Origin
# of uploads :
1
# of downloads :
506
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.7817.9584.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6735b19c0552fd58596bc739
Tags:
virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b6d7091-14f0-41cd-9ec4-2f80fb7cdc2a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555664
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-11-14 08:13:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=omdspl3mqp34cddm7r7e5jhm4rdgycxutv5kdqlffqxx4ognmlvq._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241114-j4zlpsvqcw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7fedc794-f4d2-4409-b196-2610836c498f
Unpacked files
SH256 hash:
a51e29c09cf9714c756b491416e3d67cf69d9a70b9889f759b3d7bd70dc2ff5d
MD5 hash:
6d6da48e9f1a31fbb8978415de8d9c8c
SHA1 hash:
c93074576fbdccf59224fabeff72ed5e77613618
Link:
https://www.unpac.me/results/99f30670-39a8-4b3c-94dc-63239be20722/
SH256 hash:
23bd2122c3ffabb0e2628b3db8b5ed03fbd60df7ed82444936ab45336c3dfa10
MD5 hash:
27c0497e8195804ff14768f3f1c595dd
SHA1 hash:
a30296e9602c87edc4a3b1a93cabe921749129ca
Link:
https://www.unpac.me/results/99f30670-39a8-4b3c-94dc-63239be20722/
SH256 hash:
730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb
MD5 hash:
e4cd22aa149644d6606290ebf0375d67
SHA1 hash:
f5b2ff35cee24c6fe083ce95409bebe92de97f9d
Link:
https://www.unpac.me/results/99f30670-39a8-4b3c-94dc-63239be20722/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/730727af6c83/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/730727af6c83f7c10c6cfc7e4ea4ece4466c0af49d7aa1c1652c2f7e38cd62eb

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments