MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078. 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 21 File information Comments 1

SHA256 hash:	de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078
SHA3-384 hash:	1c5c06bc6a3b84f946e7532b01a74bd4cb4deca9ca2025155b2ae6fa49b54cd5371465e6aa1e1d79c248f745d05532e1
SHA1 hash:	b44ecf8660b2981fa8bff37596af81614847f400
MD5 hash:	7792584e7661ad0c5fee992337ebf3bd
humanhash:	lithium-moon-five-batman
File name:	7792584e7661ad0c5fee992337ebf3bd
Download:	download sample
Signature	Formbook Create hunting rule
File size:	311'786 bytes
First seen:	2023-09-15 10:59:07 UTC
Last seen:	2023-09-15 12:31:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep	6144:vYa6gi2ZkuDQPs5y7OzwMsYnkbPzjRtftCZ0PDHcFYjvMCU9+kuZJ0vA5sKfkj:vY2quD+8QMsHXXfAZQQYTwuZJjtU
Threatray	2'728 similar samples on MalwareBazaar
TLSH	T15A6412A479E4D06FF4F26B326E3B049767C6EA9221F91A4F33100B9C7D76182591D372
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):
dhash icon	b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

288

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

7792584e7661ad0c5fee992337ebf3bd

Verdict:

Malicious activity

Analysis date:

2023-09-15 11:02:35 UTC

Tags:

formbook xloader stealer spyware

Link:

https://app.any.run/tasks/7ee74ea0-e4bc-4a6e-8a98-9f301e46c735

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/448820/

Detection(s):

Sanesecurity.Malware.28947.BadP.UNOFFICIAL

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

control lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/65043933ca94b11f021a5a52/reports/5f75f9c5-2c39-4f05-8da8-f9be0c6ca019/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078

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.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bdb7e368-b01f-474c-97a5-205c5845a4c0

Result

Threat name:

FormBook, NSISDropper

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1308892

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

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

Modifies the prolog of user mode functions (user mode inline hooks)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

Snort IDS alert for network traffic

System process connects to network (likely due to code injection or exploit)

Tries to detect virtualization through RDTSC time measurements

Yara detected FormBook

Yara detected NSISDropper

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078/

Threat name:

Win32.Trojan.Znyonm

Status:

Malicious

First seen:

2023-09-15 08:26:25 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3zhpou3exjr7ewzotic7yiiuwct5qiaymfvhw4heaabvt7zlab4a._file

Verdict:

malicious

Label(s):

formbook

Formbook

1837977343db27c358f1e1591e4aac16bb0cbd920ccb5663c2d4c7cf1baa1067

Formbook

1a4a833905ed2b06f990054eee77c7f92d536d52797c6a18de6d1358e25e8e03

Formbook

21f03aa3cb1ce12b742fc78552681e20099f77f1aa347516a253e383eb5f3f11

Formbook

2b33fca6ad1c4aeccf99eb4fd10ebdd20a00e2889769a1cf34f18d905504d082

Formbook

8f17f8b8946c0aa9f92bd114a1501e9109a3acd84b865d352d043a04e474c2b5

Formbook

ab81345f141fa4d777d142a4f8367c53e9840897bc2b4c3299a4f6696a46296d

Formbook

b2d76e91d736201b7e8fb9780594693cfc3106285a4886e9b40007fdd7e56359

Formbook

e3643d141c0e87b3304f3b015f1e8dbbbe273e9a8bb93906991fe61a3073f891

Formbook

+ 2'718 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:sy22 rat spyware stealer trojan

Link:

https://tria.ge/reports/230915-m3zrvsdh86/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Formbook payload

Formbook

Unpacked files

SH256 hash:

24fe9517e8701825def1d4094e92edbf9eaa76f22ef708f6e74b081ad1483f9a

MD5 hash:

fc5df6126d3f7c266dfa3ae743a9848e

SHA1 hash:

08b1e6c48eb2149ffb272ed476314135dca8ff09

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Link:

https://www.unpac.me/results/eb47625b-1713-40e0-af42-2a5d750671db/

Parent samples :
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SH256 hash:

1b441e437746fbb996e87dd3015acdd4c7eb1fae6564f2d6147918a24e2d8838

MD5 hash:

f101938a662abc80fffccaa36d14caf6

SHA1 hash:

a8e933fa9b86ce3fe4292c5ef8e60873a6eb79e3

Link:

https://www.unpac.me/results/eb47625b-1713-40e0-af42-2a5d750671db/

SH256 hash:

de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078

MD5 hash:

7792584e7661ad0c5fee992337ebf3bd

SHA1 hash:

b44ecf8660b2981fa8bff37596af81614847f400

Link:

https://www.unpac.me/results/eb47625b-1713-40e0-af42-2a5d750671db/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/de4ef75364ba/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/de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078

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:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

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

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

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

File information

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

Web download

Formbook

exe de4ef75364ba63f25b2e9a05fc2114b0a7d82018616a7b70e4000359ff2b0078

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/448820/

URLhaus

https://urlhaus.abuse.ch/url/2711878/

Comments

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zbet commented on 2023-09-15 10:59:08 UTC

url : hxxp://194.180.48.72/60/igccu.exe