MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839. 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 3 File information Comments 1

SHA256 hash:	6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839
SHA3-384 hash:	55e63a5cd5439f5927f6b5f24cfce17ca70bd63be99f756158ec395cbbae5bf0397a5b9f0283b05360bf0bc76c8745fb
SHA1 hash:	15a68c4a8f4d62ab76e5dd809fd97fb6c57d2027
MD5 hash:	14e865f28f1a02890383d2ec6638e6f9
humanhash:	yellow-hamper-ceiling-april
File name:	14e865f28f1a02890383d2ec6638e6f9
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'041'408 bytes
First seen:	2021-12-15 12:02:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	24576:GE02NgQNfbYNcmRHoos6VIN7E3vYrkXEYRSogDnlSL:G52NPWo16E7E3ukUYQogD4
Threatray	12'440 similar samples on MalwareBazaar
TLSH	T1662523013BA6A601D7D64F7355A220803B7AF9A7BF0DE72F2C48209D107B3950796F9B
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

168

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

14e865f28f1a02890383d2ec6638e6f9

Verdict:

Suspicious activity

Analysis date:

2021-12-15 12:07:26 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/7a179954-dd22-43ee-abc1-86e22dd12d3b

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/214334/

Detection(s):

SecuriteInfo.com.Trojan.Win32.Save.a.16059.4462.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Sending a custom TCP request

Unauthorized injection to a recently created process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed

Link:

https://www.filescan.io/uploads/61b9d97d81d2323720030dad/reports/b105b988-4a96-45c7-b947-04d5032476d0/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/47381c64-c58e-4d70-a979-05cba5bb4a85

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/907846

Signature

.NET source code contains potential unpacker

C2 URLs / IPs found in malware configuration

Found malware configuration

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

Tries to detect virtualization through RDTSC time measurements

Yara detected AntiVM3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2021-12-15 10:17:03 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 27 (74.07%)

Threat level:

5/5

Verdict:

malicious

Label(s):

formbook

Formbook

0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e

Formbook

4ace533157b96ff8c832cb31e81d6beb606e3fe4f63bae05b923b9d53946c100

Formbook

5da3ef49a658c41da32f3258e3124c24e9641496ea1c2443d40c680a9f7b0e8c

Formbook

7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6

Formbook

945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a

Formbook

b830b088dcc04db74fc8afbb16dcfff0134c405228be44df5d996a9a5b254bff

Formbook

d544f115e860d3282bd996d7b12ac92c10097d68d135667cca0f847ca754f8ef

Formbook

e8e8ecf349599cbd169ec45c9ab1044c3344eedebc9db816291b198da46f9e01

Formbook

+ 12'430 additional samples on MalwareBazaar

Result

Malware family:

xloader

Score:

10/10

Tags:

family:xloader campaign:b62n loader rat

Link:

https://tria.ge/reports/211215-n7116aadem/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Xloader Payload

Xloader

Malware Config

C2 Extraction:

http://www.multidetoxhepatico.com/b62n/

Unpacked files

SH256 hash:

b835e65391133de44c887832a1585a5197945029c75322ec12d2ccbb5615dfd1

MD5 hash:

4c5caeeb48a98b23b43d454a1564270f

SHA1 hash:

93de0a7d4346aeaea5525a242f30da37340d865a

Link:

https://www.unpac.me/results/8d5f29fb-9072-47b8-86b2-cda75966b345/

SH256 hash:

f8ee3ec61da05401295cfc650a604dc644a16a8d7afc9f090cd9f7a0d9300317

MD5 hash:

7e9f1e09d0aa634d949c26737c26ff3c

SHA1 hash:

cb6b35efc98d0656148907ce56268a964556664d

Link:

https://www.unpac.me/results/8d5f29fb-9072-47b8-86b2-cda75966b345/

SH256 hash:

1bb5f92a9938fb8d6a97c1de80469a0ec325eecaee427122b09b248027a5e944

MD5 hash:

fbb2931f2e80c155c0d0ab7fc0d7ac4e

SHA1 hash:

9272b1b1b2974dccae8ce1c72db32df6cd96b919

Detections:

win_formbook_g0

win_formbook_auto

Link:

https://www.unpac.me/results/8d5f29fb-9072-47b8-86b2-cda75966b345/

Parent samples :
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SH256 hash:

6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839

MD5 hash:

14e865f28f1a02890383d2ec6638e6f9

SHA1 hash:

15a68c4a8f4d62ab76e5dd809fd97fb6c57d2027

Link:

https://www.unpac.me/results/8d5f29fb-9072-47b8-86b2-cda75966b345/

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

Threat name:

Malicious File

Score:

0.81

Link:

https://yomi.yoroi.company/submissions/6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839

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:	pe_imphash Create hunting rule

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 6fafca0825dbdedf739d4f57ea1b09563eed9834a54f2998b712891baeef4839

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/1887402/

Cape

https://www.capesandbox.com/analysis/214334/

Comments

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zbet commented on 2021-12-15 12:02:26 UTC

url : hxxp://2.56.57.187/LaXgQ8hib9fwKQI.bat