MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0. 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: 17

Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash:	d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0
SHA3-384 hash:	3bea9387123d99d62d1919be224127aaab6a2f68adc816e3b1ca7bc1f7565d8020bd69b20883f2fbaf5e72d51a65bd8c
SHA1 hash:	d0b3b8af9b7b4a65a1b8fd967e46c0fbea27ccad
MD5 hash:	5654a0dd4896509ebc47aec3c0424e5c
humanhash:	lemon-pasta-cup-snake
File name:	z45CV_Erika_Urbina_.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'241'088 bytes
First seen:	2025-08-20 19:00:12 UTC
Last seen:	2025-09-05 13:00:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep	24576:U5EmXFtKaL4/oFe5T9yyXYfP1ijXda9DjKSWaT9rXE:UPVt/LZeJbInQRa9fKqT
Threatray	350 similar samples on MalwareBazaar
TLSH	T12745CF027391D062FFAB92334B5AF6115BBC79260123E62F13981D79BE701B1563E7A3
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	FXOLabs
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

z45CV_Erika_Urbina_.exe

Verdict:

No threats detected

Analysis date:

2025-08-20 19:03:14 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/b189a6f6-f7ed-4b40-8612-3ad72ce5db8e

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/22604/

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a61b748fd55a79c5297d42

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Sending a custom TCP request

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script cscript evasive fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected threat wuauclt

Link:

https://www.filescan.io/uploads/68a61b6da4bdac9f5ba14a13/reports/44a63fa6-bbd6-4429-b89f-6592df2c5342/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/381e9450-e567-4975-bf71-470822d638f4

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/5654a0dd4896509ebc47aec3c0424e5c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0/

Verdict:

Malicious

Threat:

Family.FORMBOOK

Link:

https://tip.neiki.dev/file/d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-20 15:34:45 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=23nukmidhdx5ub3y6ea6um3yqmjxbejxs32zoh6ymhm7fq7ut3ya._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250820-xn5dxawm12/

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

Formbook payload

Formbook

Formbook family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/510006c5-2487-4417-86c6-81d7daac7188

Unpacked files

SH256 hash:

d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

MD5 hash:

5654a0dd4896509ebc47aec3c0424e5c

SHA1 hash:

d0b3b8af9b7b4a65a1b8fd967e46c0fbea27ccad

Link:

https://www.unpac.me/results/cb6b5361-e9d5-433b-8202-765b6e7be0ee/

SH256 hash:

21f29bc3b043132b3d7919319cb73b1da85e946a485130c7737f343608aa4232

MD5 hash:

4dbd1af1f2e149f82154a56b64a932c4

SHA1 hash:

58a9b41387d53e1dcbe67dba8adc2d0aad4a4e4c

Link:

https://www.unpac.me/results/cb6b5361-e9d5-433b-8202-765b6e7be0ee/

SH256 hash:

8faebdddf13a4eb8c8cd90a06f3cd538b3a8f6cfd41bd2e6c9ce8bc0dc20b878

MD5 hash:

c36a1bd72b9282a4c389a6f42ad90264

SHA1 hash:

fecdb218a6e76437b45911b45a3f026d39afb6a9

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/cb6b5361-e9d5-433b-8202-765b6e7be0ee/

Parent samples :
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Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d6db45310338/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/d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

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_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	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_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:	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.

Malspam

Formbook

exe d6db45310338efda0778f101ea3378831370913796f5971fd861d9f2c3f49ef0

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/22604/

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