MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb. 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: 10

Intelligence 10 IOCs YARA 4 File information Comments 1

SHA256 hash:	5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb
SHA3-384 hash:	0d35740df268afc60befcd42951cc42b28c3b3a1ac732af7127efdd9726799777c4681cf40f610c20f57d21366390a9f
SHA1 hash:	b1c84ae422cdbf7759066354c928b62d27355794
MD5 hash:	872686c3c7d641cefa2b132eea43fea4
humanhash:	bakerloo-juliet-chicken-neptune
File name:	872686c3c7d641cefa2b132eea43fea4
Download:	download sample
Signature	Formbook Create hunting rule
File size:	239'104 bytes
First seen:	2022-08-31 08:59:25 UTC
Last seen:	2022-08-31 09:46:17 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	3072:MQHNmk8c/c8LYxWk3T/PBfRBJjWs71MafldMW/3epLqkHLY3jWfq:GBrWkj/PBRBJjHDs0j
TLSH	T1F9344A25FBC89523E25F57FAC0A7E6A6D3E890A0E71FE7CF5C4005E82912360E469747
TrID	64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):
dhash icon	69d4b26868b2cc71 (23 x Formbook, 6 x SnakeKeylogger, 2 x AgentTesla)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

261

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/306760/

Detection(s):

SecuriteInfo.com.Trojan.Siggen18.40879.18302.17508.UNOFFICIAL

SecuriteInfo.com.Trojan.Siggen18.40879.10320.14763.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Sending an HTTP GET request

Launching a process

Creating a file

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Sending a custom TCP request

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/630f23583e9e50b1baef68c0/reports/b2ab1c2a-d277-439c-bfc1-7c0f3bf79953/overview

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:

Unknown

Detection:

malicious

Classification:

evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1061789

Behaviour

Behavior Graph:

n/a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2022-08-30 14:08:32 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 26 (76.92%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=lxe6qgqfspasabbx2eigrkrhpoxvakfah5cxcww4nhomavrzwxvq._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:er81 rat spyware stealer trojan

Link:

https://tria.ge/reports/220831-kybhcsbheq/

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

Enumerates physical storage devices

Suspicious use of SetThreadContext

Drops startup file

Downloads MZ/PE file

Formbook payload

Formbook

Unpacked files

SH256 hash:

5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb

MD5 hash:

872686c3c7d641cefa2b132eea43fea4

SHA1 hash:

b1c84ae422cdbf7759066354c928b62d27355794

Link:

https://www.unpac.me/results/6b6846a7-a376-40af-b1be-99c01cebfc9c/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5dc9e81a0593/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/5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb

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:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	pdb_YARAify Create hunting rule
Author:	@wowabiy314
Description:	PDB

Rule name:	pe_imphash Create hunting rule

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

File information

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

Web download

Formbook

exe 5dc9e81a0593c1200437d11068aa277baf5028a03f45715adc69dcc05639b5eb

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2286398/

Cape

https://www.capesandbox.com/analysis/306760/

Comments

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zbet commented on 2022-08-31 08:59:28 UTC

url : hxxp://208.67.105.179/sechussanzx.exe