MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef. 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: 14

Intelligence 14 IOCs YARA 4 File information Comments 1

SHA256 hash:	a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef
SHA3-384 hash:	3937d72238c70093734be7bb309886628340f942fe5b54d57488520a1ba5c030399457acde2032924094c7d4012c1463
SHA1 hash:	3472e3b0f37095ff1f3ff5f9e22487391f730a98
MD5 hash:	9930c7ce66492907351a69a44dae1c3d
humanhash:	apart-foxtrot-oscar-undress
File name:	9930c7ce66492907351a69a44dae1c3d
Download:	download sample
Signature	Formbook Create hunting rule
File size:	678'912 bytes
First seen:	2022-04-22 16:37:21 UTC
Last seen:	2022-04-22 17:30:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:eMg1Z8YYzfuTRm6KAJjDTFaxPHV3GX24fXb+H0TTeu4:etZ8YYzWRfyftG5DDTW
Threatray	15'116 similar samples on MalwareBazaar
TLSH	T1A5E4120033CB9B41C9891EF4C0D3192023F2AE9B6577D6063AC5A2596F163E5CBE97DE
TrID	69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

250

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/265901/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.1268.27933.26726.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Creating a file

Сreating synchronization primitives

Launching cmd.exe command interpreter

DNS request

Sending an HTTP GET request

Connecting to a non-recommended domain

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

control.exe obfuscated packed replace.exe

Link:

https://www.filescan.io/uploads/6262d9f8448aa6d8879ed0bb/reports/7a466327-7a2f-44b0-85f1-f9a033ca83b6/overview

Result

Verdict:

UNKNOWN

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/dbcd3579-ab59-4af4-b13e-af026109312f

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/981559

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

xloader

Link:

https://mwdb.cert.pl/sample/a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef/

Threat name:

ByteCode-MSIL.Trojan.Swotter

Status:

Malicious

First seen:

2022-04-22 16:38:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 26 (69.23%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ucdltwo6vqddj3jc2vkwv24wc2jc2uylujsrzff76deh7paki7xq._file

Verdict:

malicious

Label(s):

formbook

Formbook

4e1397fff753fe86be50e152d3e2ace6a8a9e0b3f8e63e77c0e0c1c1d6ed71c3

Formbook

53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333

Formbook

75966b70eb1553a97eca9ab884133daefbfb3c1d287905003f72158841c1d14d

Formbook

9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908

Formbook

ab12ca2a034e07fbdd6c9d6c31270f52173cd8559e12aad0aea593cc460867cd

Formbook

aef61e04be1ed29f19e1ad3f861c132466c578b12c462a00ad6f517024c139ae

Formbook

f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1

Formbook

+ 15'106 additional samples on MalwareBazaar

Result

Malware family:

xloader

Score:

10/10

Tags:

family:xloader campaign:ocgr loader rat suricata

Link:

https://tria.ge/reports/220422-t5ctfaadem/

Behaviour

Gathers network information

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Xloader Payload

Xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

Unpacked files

SH256 hash:

2c1bcac6f1f0185c5d56b799b0bba32ed79af6fa9e8ecd9be20d173be49bed4b

MD5 hash:

6422a7cef579f9ef1560028e65c87cb8

SHA1 hash:

c565760be17b6ebbdb3105da3b48409df602c4f0

Link:

https://www.unpac.me/results/263deeba-c99e-4247-a657-6a6ec85a88cd/

SH256 hash:

7d8cfd4eab4aa77fe66110e0832f4074973bd0145314cd89111d2d1bdd3688fc

MD5 hash:

2b79011633ef10f823aa3a3166eb0960

SHA1 hash:

a1e614ba1b7b8b5e04fcd5f0cb263105cb20a64e

Detections:

win_formbook_g0

win_formbook_auto

Link:

https://www.unpac.me/results/263deeba-c99e-4247-a657-6a6ec85a88cd/

Parent samples :
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SH256 hash:

a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef

MD5 hash:

9930c7ce66492907351a69a44dae1c3d

SHA1 hash:

3472e3b0f37095ff1f3ff5f9e22487391f730a98

Link:

https://www.unpac.me/results/263deeba-c99e-4247-a657-6a6ec85a88cd/

Malware family:

XLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a086b9d9deac/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/a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef

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

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.formbook.

File information

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

Web download

Formbook

exe a086b9d9deac0634ed22d5556aeb9616922d530ba2651c94bff0c87fbc0a47ef

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2160236/

Cape

https://www.capesandbox.com/analysis/265901/

Comments

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zbet commented on 2022-04-22 16:37:24 UTC

url : hxxp://103.89.89.198/doconair/vbc.exe