MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c6a9d6809c3cf2ea1108aae86677aaba31ef7e2f10017331716bedd2a8f91c. 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: 11

Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash:	a2c6a9d6809c3cf2ea1108aae86677aaba31ef7e2f10017331716bedd2a8f91c
SHA3-384 hash:	2fecefcc541ee5b3fbe36aa3dbb3616f29022264c84b03370f17877de95166a19ddfa0b604121ceb8614db62b9b230b5
SHA1 hash:	95657425b7d3a3bd81426e76637ba77d3ccd3d8b
MD5 hash:	c9679e89c82e025b9855189876f92761
humanhash:	sixteen-artist-grey-happy
File name:	c9679e89c82e025b9855189876f92761.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	289'149 bytes
First seen:	2021-08-05 05:57:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep	6144:k9PsOLUu1ITOgcWXg38+UT0Tf3OkKNqos0f3boqReR0+:kZQ1Zg38+UMOLL8RR0+
TLSH	T12C54F111F1804536E4320AFACDB96755001FBB702F7967E3E2A82C5E4DB96D23E3958B
Reporter	abuse_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

294

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

c9679e89c82e025b9855189876f92761.exe

Verdict:

Malicious activity

Analysis date:

2021-08-05 05:59:22 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/a8200465-df32-464c-8978-aa727afc4833

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/176520/

Detection(s):

Win.Trojan.Neshuta-1

PUA.Win.Packer.Pequake-4

Win.Virus.Neshta-7101689-0

PUA.Win.Adware.Slugin-6840354-0

Win.Trojan.Jadtre-5

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Creating a process from a recently created file

Creating a file in the Windows directory

Modifying an executable file

Creating a file

Sending a UDP request

Enabling autorun with the shell\open\command registry branches

Unauthorized injection to a recently created process by context flags manipulation

Infecting executable files

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/5e0e0949-f965-459c-9698-92dfb3715235

Result

Threat name:

FormBook Neshta

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/827870

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Creates an undocumented autostart registry key

Drops executable to a common third party application directory

Drops PE files with a suspicious file extension

Found malware configuration

Infects executable files (exe, dll, sys, html)

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 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 virtualization through RDTSC time measurements

Yara detected FormBook

Yara detected Neshta

Behaviour

Behavior Graph:

Download SVG

Detection:

xloader

Link:

https://mwdb.cert.pl/sample/a2c6a9d6809c3cf2ea1108aae86677aaba31ef7e2f10017331716bedd2a8f91c/

Threat name:

Win32.Virus.Neshta

Status:

Malicious

First seen:

2021-08-05 05:58:09 UTC

AV detection:

45 of 46 (97.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uldktvuatq6pf2qrbcvoqztxvk5dd336f4iac4zrofv63uvi7eoa._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

n/a

Score:

10/10

Tags:

persistence spyware stealer

Link:

https://tria.ge/reports/210805-h53yaprktn/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Program Files directory

Drops file in Windows directory

Suspicious use of SetThreadContext

Loads dropped DLL

Reads user/profile data of web browsers

Executes dropped EXE

Modifies system executable filetype association

Unpacked files

SH256 hash:

a2c6a9d6809c3cf2ea1108aae86677aaba31ef7e2f10017331716bedd2a8f91c

MD5 hash:

c9679e89c82e025b9855189876f92761

SHA1 hash:

95657425b7d3a3bd81426e76637ba77d3ccd3d8b

Link:

https://www.unpac.me/results/376e294e-bc1e-4c0e-a77d-5df899d07d2f/

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

Threat name:

Suspicious File

Score:

0.34

Link:

https://yomi.yoroi.company/submissions/a2c6a9d6809c3cf2ea1108aae86677aaba31ef7e2f10017331716bedd2a8f91c

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.