MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836. 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: 11

Intelligence 11 IOCs YARA 18 File information Comments

SHA256 hash:	133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836
SHA3-384 hash:	a1141ab2ac725baf37c51fa01ce06eee1ec150d09b42609f1a193c235e0cb86e402f774781c7f1ea101bd781640eb522
SHA1 hash:	3296361d10f21d66fd115f1c70c3b4829e1f567a
MD5 hash:	24edf6a1e657cefe965533b8742c5a4a
humanhash:	mobile-beryllium-pluto-zulu
File name:	file.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	288'256 bytes
First seen:	2025-02-08 17:37:17 UTC
Last seen:	2025-02-08 18:45:21 UTC
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:0jXFnKEfc9H1feMl8OpOs6nw8z63mRCk:6FnKDV2UfpF8u3mR
TLSH	T1035423BB1D91D12AC83A0D72829A13B0949C5B1706C71FE7B56E6C27CBE48BF7B20141
TrID	35.7% (.EXE) Win32 Executable (generic) (4504/4/1) 16.3% (.ICL) Windows Icons Library (generic) (2059/9) 16.1% (.EXE) OS/2 Executable (generic) (2029/13) 15.8% (.EXE) Generic Win/DOS Executable (2002/3) 15.8% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	aachum
Tags:	exe FormBook

iamaachum

https://github.com/legendary6911331/zakaz213/releases/download/fsdfsdf/file.exe

Intelligence

File Origin

# of uploads :

# of downloads :

442

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file.exe

Verdict:

No threats detected

Analysis date:

2025-02-08 17:46:22 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/998bd1a6-3510-4c1c-8dcb-249b6cda0b19

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.SpywareX-gen.14310.5697.UNOFFICIAL

Gathering data

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Verdict:

Malicious

Labled as:

Mikey.Generic

Link:

https://www.hybrid-analysis.com/sample/133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/571a6476-659b-4bd5-b3d1-e8fc861fd3f9

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1610195

Signature

Antivirus / Scanner detection for submitted sample

Found direct / indirect Syscall (likely to bypass EDR)

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Queues an APC in another process (thread injection)

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-01-11 17:07:40 UTC

File Type:

PE (Exe)

AV detection:

27 of 38 (71.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cm6cp46pufnebsiofixo6yx2uf2jcdppbi5622unojr72yir3a3a._file

Verdict:

malicious

Label(s):

formbook

Similar samples:

error

Formbook

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery

Link:

https://tria.ge/reports/250208-v7vygaykcr/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Downloads MZ/PE file

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/5557736b-1586-4165-b9a1-4528716e25aa

Unpacked files

SH256 hash:

133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836

MD5 hash:

24edf6a1e657cefe965533b8742c5a4a

SHA1 hash:

3296361d10f21d66fd115f1c70c3b4829e1f567a

Link:

https://www.unpac.me/results/c5974d1e-5110-446f-9148-4f9a8d5e89e2/

SH256 hash:

cf66c570f9803f8df57d51fcce9d5c06a7f553656942a338d4d5d04183e05f46

MD5 hash:

eff2adce83d79494e314ff0cd385f223

SHA1 hash:

3f91650b29fea697ef560fa85ba3fe8a11361919

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/c5974d1e-5110-446f-9148-4f9a8d5e89e2/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/133c27f3cfa1/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836

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:	DebuggerCheck__GlobalFlags Create hunting rule
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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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 Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Formbook

exe 133c27f3cfa15a40c90e2a2eef62faa174910def0a3bed6a8d7263fd6111d836

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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