MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d. 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 3 File information Comments

SHA256 hash:	12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
SHA3-384 hash:	bbb3ebc59630bec359ec8fda07cabcc8fda17991fa32118783a70364403145994cdeb832bb142ce3597003756b2beb19
SHA1 hash:	cdc4992d5e425628b1c12c51d64a9105824bacc5
MD5 hash:	1da73d4931cd6893f7b9fc765225a62d
humanhash:	robert-foxtrot-five-fanta
File name:	SecuriteInfo.com.Variant.Midie.79660.31247.11578
Download:	download sample
Signature	Formbook Create hunting rule
File size:	167'936 bytes
First seen:	2021-03-04 22:43:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4a287306e380550984c573d03cb442d1 (1 x GuLoader, 1 x Formbook)
ssdeep	3072:dfALNz2r7MVyAOZCuj8fYEqaL/uBqueQiL:y8rcUZCujb3aLGBA
Threatray	725 similar samples on MalwareBazaar
TLSH	3CF3C7B2B298E416C5BF98B0870199A8B1896C3119D59903D2D2123F2F7DFDDF774A23
Reporter	SecuriteInfoCom
Tags:	FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

184

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

gotv.exe

Verdict:

Malicious activity

Analysis date:

2021-03-04 15:59:10 UTC

Tags:

trojan formbook stealer

Link:

https://app.any.run/tasks/9856d885-4671-40ae-ae41-388678e8ed2d

Note:

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

Detection:

Guloader

Link:

https://www.capesandbox.com/analysis/122372/

Detection(s):

SecuriteInfo.com.Variant.Midie.79660.31247.11578.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Sending a UDP request

Unauthorized injection to a recently created process

Sending a custom TCP request

Creating a file

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/629288

Signature

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Contains functionality to hide a thread from the debugger

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Hides threads from debuggers

Multi AV Scanner detection for submitted file

Tries to detect Any.run

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect virtualization through RDTSC time measurements

Yara detected Generic Dropper

Yara detected GuLoader

Yara detected VB6 Downloader Generic

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d/

Threat name:

Win32.Trojan.Vebzenpak

Status:

Malicious

First seen:

2021-03-04 13:04:57 UTC

AV detection:

20 of 28 (71.43%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=clscx72pun3qgjrdgqvmd4r2lsdsewsa56fzadf3a2xexuqdqzgq._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

xloader

Score:

10/10

Tags:

family:xloader loader rat

Link:

https://tria.ge/reports/210304-yt4rw34q8a/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Legitimate hosting services abused for malware hosting/C2

Xloader Payload

Xloader

Malware Config

C2 Extraction:

http://www.pardsoda.com/w25t/

Unpacked files

SH256 hash:

49b04162c412105ab0857de16713724cbf3234a0b6ba51f3a5286312633f20c3

MD5 hash:

1f1b425190b2fb0396ad2d538b1060ba

SHA1 hash:

413f98641d46fdcabfcaf64f29495667de6282ea

Link:

https://www.unpac.me/results/36c5d98e-c35a-49a9-b93d-12d2546e17c5/

SH256 hash:

12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

MD5 hash:

1da73d4931cd6893f7b9fc765225a62d

SHA1 hash:

cdc4992d5e425628b1c12c51d64a9105824bacc5

Link:

https://www.unpac.me/results/36c5d98e-c35a-49a9-b93d-12d2546e17c5/

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

Threat name:

GuLoader

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

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:	Formbook Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Formbook in memory
Reference:	internal research

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator