MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b. 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: 15

Intelligence 15 IOCs YARA 3 File information Comments 1

SHA256 hash:	b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b
SHA3-384 hash:	78752c8da31214d6a51e12f829ee11014367d7ddad1aa3c13804d384dd23898c37e9bc5c0256a0423d1e03cbbe743104
SHA1 hash:	2460fa5ba367394978e63a79744f18c03ab6cfec
MD5 hash:	1745a2071867118b46b8be9b14eeccbf
humanhash:	lactose-football-diet-skylark
File name:	1745a2071867118b46b8be9b14eeccbf
Download:	download sample
Signature	Formbook Create hunting rule
File size:	246'832 bytes
First seen:	2022-05-25 09:03:45 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:nLbBM4LpQU8ZZFHqHhv+Gzxo6eVeTFx56gMG3QpHbeZy/8K6/woe+G:nLbZLpQhFKHhv+GzmVWcBteBK6fe1
Threatray	80 similar samples on MalwareBazaar
TLSH	T13534124D6BE4CE27EA4D593B647E01644FBCD364FE42E30F69A422B81F533D92928187
TrID	72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

499

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

1745a2071867118b46b8be9b14eeccbf

Verdict:

Malicious activity

Analysis date:

2022-05-25 09:38:53 UTC

Tags:

formbook trojan stealer

Link:

https://app.any.run/tasks/642d62de-a77d-476d-9d27-1834d2cc10b9

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/274445/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Creating a file

Сreating synchronization primitives

Searching for synchronization primitives

Launching cmd.exe command interpreter

Reading critical registry keys

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

control.exe obfuscated overlay packed replace.exe

Link:

https://www.filescan.io/uploads/628df116054dcf0ecaebe947/reports/331ef116-b5ea-454c-aee0-aa143eed8c6a/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.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ee0cfb21-f7a2-42e7-a692-106ec7bf2b41

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1001414

Signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

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)

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

Tries to detect virtualization through RDTSC time measurements

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

xloader

Link:

https://mwdb.cert.pl/sample/b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b/

Threat name:

ByteCode-MSIL.Trojan.XLoader

Status:

Malicious

First seen:

2022-05-25 08:17:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 26 (73.08%)

Threat level:

5/5

Verdict:

malicious

Formbook

6fb012fdf65639ba246e6135f0ed5eac2bd717b08e5eb4916a3bea91ed48964e

Formbook

89c56bc65b8e87b636c926a82ea593e8853e0316f1416c0728321a1b717cef18

Formbook

8a5bc3c75311f008ef8790b86807f8ba141ffe0c159badc3db9df7b930ed0a1d

Formbook

c9a6d59745a7eff46ed411e4f7f4894eec5df85d70d931082194b35becc25799

Formbook

dbeaed64df79acb9ca2c3020a521ffcdf044257d29f3fb35e2469015e952f438

Formbook

f11ab395547ecacdcc66bd98f1006c3f9fd1ae42272ec5c9c9376a0657b58947

Formbook

+ 70 additional samples on MalwareBazaar

Result

Malware family:

xloader

Score:

10/10

Tags:

family:xloader campaign:ocgr loader rat suricata

Link:

https://tria.ge/reports/220525-k1kttaddbp/

Behaviour

Enumerates system info in registry

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:

7d8cfd4eab4aa77fe66110e0832f4074973bd0145314cd89111d2d1bdd3688fc

MD5 hash:

2b79011633ef10f823aa3a3166eb0960

SHA1 hash:

a1e614ba1b7b8b5e04fcd5f0cb263105cb20a64e

Detections:

win_formbook_g0

win_formbook_auto

Link:

https://www.unpac.me/results/ca132513-3b1a-4319-9737-502997a99f8d/

Parent samples :
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SH256 hash:

37299644aa08f4660f6150792144434fbc37c95a826f51e0522608572446c395

MD5 hash:

5bbe073afc31b9a39f4e3ca61e88d602

SHA1 hash:

dea322d1c1fadf5ea4598d79462659b328f1a7c9

Link:

https://www.unpac.me/results/ca132513-3b1a-4319-9737-502997a99f8d/

SH256 hash:

54541d0fdd2a60ede950c84a48b8e49ad100c4cacfb8d94e72a4a95808568c5c

MD5 hash:

9b1feb0678f614864f6596ec8f44cfd6

SHA1 hash:

3dad5ec8c3c81bdaeaa59ea326966c710a369d83

Link:

https://www.unpac.me/results/ca132513-3b1a-4319-9737-502997a99f8d/

SH256 hash:

b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b

MD5 hash:

1745a2071867118b46b8be9b14eeccbf

SHA1 hash:

2460fa5ba367394978e63a79744f18c03ab6cfec

Link:

https://www.unpac.me/results/ca132513-3b1a-4319-9737-502997a99f8d/

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

Threat name:

AlphaCrypt

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b

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:	INDICATOR_KB_CERT_65628c146ace93037fc58659f14bd35f Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

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 b6fbd1e6813b72c6451666ad593bbf0eb259df260c3f3d2fcc962a5cb317c98b

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2210535/

Cape

https://www.capesandbox.com/analysis/274445/

Comments

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zbet commented on 2022-05-25 09:03:50 UTC

url : hxxp://180.214.238.224/spacedata/vbc.exe