MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796. 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: 15

Intelligence 15 IOCs YARA 29 File information Comments

SHA256 hash:	a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796
SHA3-384 hash:	ff006f404dc775f7484fd1c375faf09ae49c4bed6435db9d9392a5045ca6535f1e97e5123cf4f2288a647180984d1cd4
SHA1 hash:	b28b48b5625db61edd08959eade55beba0595ca0
MD5 hash:	10f4986534c515f599cd1ecb069a104b
humanhash:	mockingbird-victor-solar-thirteen
File name:	a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'244'672 bytes
First seen:	2026-05-08 12:28:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (456 x Formbook, 155 x AgentTesla, 79 x a310Logger)
ssdeep	24576:l5EmXFtKaL4/oFe5T9yyXYfP1ijXdaZhTlS7HgmOkMqE:lPVt/LZeJbInQRaZdQ7ekM
Threatray	2'773 similar samples on MalwareBazaar
TLSH	T19D45BF0273D1D062FF9B92734B56F6115ABD7A260123EA1F03981D7ABE701B1463E7A3
TrID	29.5% (.EXE) Win64 Executable (generic) (6522/11/2) 22.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 20.3% (.EXE) Win32 Executable (generic) (4504/4/1) 9.1% (.EXE) OS/2 Executable (generic) (2029/13) 9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'697 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AutoIt

Details

AutoIt

extracted scripts and files

Link:

https://research.acce.ciphertechsolutions.com/results/1434bdc9-feed-4ce9-9f71-6fa4b7a6058e/

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-05-08 14:21:29 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/987346cc-6230-4e48-9ce0-8c3ef246f911

Note:

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

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/65002/

Detection(s):

SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Launching a service

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script fingerprint formbook keylogger microsoft_visual_cc packed similar-threat

Link:

https://www.filescan.io/uploads/69fdd7bf2fcb905ec2886557/reports/80ccefa0-73ab-4f66-ba22-18c59435e610/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-04-01T23:17:00Z UTC

Last seen:

2026-04-16T02:58:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/7469fd9e-ae93-470e-a9fb-3f10a6396925

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796/

Threat name:

Win32.Malware.Heuristic

Status:

Malicious

First seen:

2026-04-02 02:22:47 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 36 (72.22%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uyvh6r4o76pmxxwdn36vpj75n2prwbzs3nsjmvqjxgbw4e7b46la._file

Verdict:

malicious

Label(s):

formbook

Formbook

170a6b1733b3f3c3b0bab99254b4d93ac9a843bd1af1030d4af4d4cc936b10f6

Formbook

201fd89861c6272f544766e8366c0bf17869c029b4349e639d5aa55b85482ead

Formbook

4fd43da6fed2ed8731e22c1ba6d933e96dbb6895e08c5c379ee1ee217389bdb4

Formbook

82ba586870ddf21da64398098ac654ae92f389969087698b906d4efe54c6489c

Formbook

8a639273cd274f71edc6b10737fd4733e3186d5ce9d3c9287158b05a53707abd

Formbook

error

Formbook

+ 2'763 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/260508-pqqpjagz9w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Family: Formbook

Formbook payload

Unpacked files

SH256 hash:

a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796

MD5 hash:

10f4986534c515f599cd1ecb069a104b

SHA1 hash:

b28b48b5625db61edd08959eade55beba0595ca0

Link:

https://www.unpac.me/results/19d3c559-db8c-4816-8290-847b53ae7721/

SH256 hash:

58a3c88b94e5362969012d6a8ef0fa14e37e0fae667fa062bb6f92fba00c540a

MD5 hash:

199fa8739117f3e8e651a361137d9bb3

SHA1 hash:

61cdc283454d2f422ffcc16c0a6f5626c93af8f2

Link:

https://www.unpac.me/results/19d3c559-db8c-4816-8290-847b53ae7721/

SH256 hash:

dac3e458f333892f95d14736d459e92faa982ba4c51d2d3ed6c2f11abbe1c588

MD5 hash:

aff7b5e45167fd4910b9249c57bbd1d0

SHA1 hash:

f3886458b6a707c0dec15ee654506c137668d546

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/19d3c559-db8c-4816-8290-847b53ae7721/

Parent samples :

c66b86db070b2d193322fe933f9a6b0916cf178bf5cc0700aa8c929054de32be
201fd89861c6272f544766e8366c0bf17869c029b4349e639d5aa55b85482ead
0a49ae686b7a7d0153f290bd5d125d354e7aca15e095b049f7107a23e53137e0
a39f1ef95667b114a57086c853357f8855833a1bfc18d37e93c04fdd4945ef45
c19d93b3f0b05d5e2931214903b3bf350e860ad5d7e750c3d7671ac726633534
9d739d5982372f48923c38adda31baf327e0d7ecd6f568bed4899012a1bd9630
0eb78aae5ca026250c363e0ff5432ef65f6e5beb31e3f309d93e851ce2dd7be8
d1da5e68419ac6732ceea1962b8eca991d422b73132042259c60f261d2bc2410
8a639273cd274f71edc6b10737fd4733e3186d5ce9d3c9287158b05a53707abd
4fd43da6fed2ed8731e22c1ba6d933e96dbb6895e08c5c379ee1ee217389bdb4
a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796
b659fc694b658b03b5763521165b4868110b397af1a99eff6c35701ef392d778
e9f6f377e2c6c7000337d25a9ea8c251e3a7c702f62c0d94201027ce2fac29af

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a62a7f478eff/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/a62a7f478eff9ecbdec36efd57a7fd6e9f1b0732db64965609b9836e13e1e796

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_detect_tls_callbacks 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 Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	TH_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt rule - 2025
Reference:	https://cyfare.net/

Rule name:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Cape

https://www.capesandbox.com/analysis/65002/

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