MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd. 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: 13

Intelligence 13 IOCs YARA 6 File information Comments 1

SHA256 hash:	6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd
SHA3-384 hash:	d2bedd5bf6bccb16f9c4459b20bc6e8397198e0b6f1547b484d173e46b3a89568e9dd40914e8f831f3b55c8bdd0098e7
SHA1 hash:	6aa45974c89398f0b1663231933aff412d8977ed
MD5 hash:	4eb2be32690511a45844f521fa273dcb
humanhash:	nineteen-quebec-vegan-uniform
File name:	4eb2be32690511a45844f521fa273dcb
Download:	download sample
Signature	Formbook Create hunting rule
File size:	862'720 bytes
First seen:	2021-08-19 13:35:10 UTC
Last seen:	2021-08-19 16:57:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Dfp109zl8OAXHrFVCKgUZtdOrOwKCHFa5gBK0wXkAg5dZGeR:DSGOAvlZt8OwKwkKAgFG8
Threatray	8'031 similar samples on MalwareBazaar
TLSH	T11E05F63C19B91637D1B5C365EBE59423F148986FB500AE69ACDE03A7030BA9735C723E
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

142

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4eb2be32690511a45844f521fa273dcb

Verdict:

Malicious activity

Analysis date:

2021-08-19 13:38:25 UTC

Tags:

trojan formbook stealer

Link:

https://app.any.run/tasks/771f35bf-c614-4860-b228-17992577e7f3

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/180710/

Detection(s):

SecuriteInfo.com.BackDoor.Remcos.332.1887.8062.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Creating a file

Launching cmd.exe command interpreter

Forced shutdown of a system process

Enabling autorun by creating a file

Unauthorized injection to a system process

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/f62dd894-2995-4f2f-8677-3771a1a5c01c

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/835840

Signature

.NET source code contains very large strings

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

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)

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 (e.g. based on Emerging Threat rules)

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

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

Tries to detect virtualization through RDTSC time measurements

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

xloader

Link:

https://mwdb.cert.pl/sample/6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-08-19 13:36:09 UTC

AV detection:

19 of 28 (67.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=n2o52hmd4uto7nvfs7kg7fn7ub6qt4w6pnfhd4vzsvz42rojetoq._file

Verdict:

malicious

Label(s):

formbook

Formbook

501171b705ca243c63bcced156955e32016b5f4c5e62740af083eecbe25c7f8d

Formbook

5d1870672eff4e2ec6d699d654d5268051f7a56f8ca991fefa538eeef380a89c

Formbook

66c88e666d6a8c03122b527176a9ee1b5b9e24a2aa5a49563e242be179760228

Formbook

936070bebeecb98fa897dd9b673c2e3e566d3a4d1a975e6bf819582e9f4d0bbe

Formbook

94e436107d0fb47e65907647813f1914e8c847f3d6045098e65d1bc56abf280f

Formbook

9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145

Formbook

a62281360a594e22783fb5dfc0e34645726b22df9ae0939b56a5b41e51289f97

Formbook

bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0

Formbook

e7e775fb123a80ae7c57fa23883b060b3b333c4831d5272015c4751736bf2626

Formbook

+ 8'021 additional samples on MalwareBazaar

Result

Malware family:

xloader

Score:

10/10

Tags:

family:xloader campaign:n8ba loader rat suricata

Link:

https://tria.ge/reports/210819-c7s9x4hgyn/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Xloader Payload

Xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

Malware Config

C2 Extraction:

http://www.narrowpathwc.com/n8ba/

Unpacked files

SH256 hash:

fe75f3ae1c25c484caf5809d380a4102be60001aef157851f4dfe2265a24de2a

MD5 hash:

ca114cf819ebb6743c22b984e72947b2

SHA1 hash:

16dec16a3dafed413cf5e93b18fcf030bb7e7007

Detections:

win_formbook_g0

win_formbook_auto

Link:

https://www.unpac.me/results/d7e2be05-d25e-431b-a540-c7a3566cb8f6/

Parent samples :
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SH256 hash:

6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61

MD5 hash:

03bde4a82ad64c0f314985232fbca3fa

SHA1 hash:

e8d0b6339e94192eaaca32c812f914e60576dca6

Link:

https://www.unpac.me/results/d7e2be05-d25e-431b-a540-c7a3566cb8f6/

SH256 hash:

1f2668a150a9477eddbfe800b4470b3907f1773bb677895694a8485ef6e94b75

MD5 hash:

f2bebaa6876d0b837f3ba67d012b0732

SHA1 hash:

1bb5358bbbc0778eaa551fee37f49e201ed549b2

Link:

https://www.unpac.me/results/d7e2be05-d25e-431b-a540-c7a3566cb8f6/

SH256 hash:

6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd

MD5 hash:

4eb2be32690511a45844f521fa273dcb

SHA1 hash:

6aa45974c89398f0b1663231933aff412d8977ed

Link:

https://www.unpac.me/results/d7e2be05-d25e-431b-a540-c7a3566cb8f6/

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/6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd

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

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time

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

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 6e9ddd1d83e526efb6a597d46f95bfa07d09f2de7b4a71f2b99573cd45c924dd

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/1545984/

Cape

https://www.capesandbox.com/analysis/180710/

Comments

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zbet commented on 2021-08-19 13:35:10 UTC

url : hxxp://192.3.152.208/MalLoud/BIN.exe