MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 240353935f7cfc588b1d42d262041b9e9dc2f753d8eb27c22853257d32dd0be3. 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 3 File information Comments
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SHA256 hash: 240353935f7cfc588b1d42d262041b9e9dc2f753d8eb27c22853257d32dd0be3
SHA3-384 hash: 2c966ab9e0c0a3f7aec665b9206d1f66783f16f41c97dc25afaaac9f6bcc99daa29a14f611905da99cbeff7209bcac90
SHA1 hash: 7111201ba9b81ec775cef2ea25bf4a769ad68946
MD5 hash: 810ae4ef26f40a3b18db460a7763bd8b
humanhash: hydrogen-uncle-crazy-ceiling
File name:810ae4ef26f40a3b18db460a7763bd8b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:773'632 bytes
First seen:2021-05-10 13:04:52 UTC
Last seen:2021-05-10 14:03:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:WWpJPRibjXTtBVw1hhhrVI8IgaaLF+IQGQWir9OlPQn42lNNsHzWjLOGhR5zigE:WBjXTPGhhhBI8IgNPQD9KPQTb2CjCU5a
Threatray 5'075 similar samples on MalwareBazaar
TLSH A1F4E02037D8AA58E5BF93751970D14463F2BA13D732C75E2A9DA08E2E72782C772713
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/154095/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/777416
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 409813 Sample: IRMEFUV8EF.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 35 www.thecookiecrumblehouston.com 2->35 37 thecookiecrumblehouston.com 2->37 39 www.gb-gangguan.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 5 other signatures 2->53 11 IRMEFUV8EF.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\IRMEFUV8EF.exe.log, ASCII 11->33 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 IRMEFUV8EF.exe 11->15         started        18 IRMEFUV8EF.exe 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected process9 dnsIp10 41 www.kuccioli.com 156.241.53.103, 49766, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->41 43 www.kameneobrobka.com 185.68.16.56, 49763, 80 UKRAINE-ASUA Ukraine 20->43 45 8 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses netstat to query active network connections and open ports 20->57 24 NETSTAT.EXE 20->24         started        27 autofmt.exe 20->27         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/240353935f7cfc588b1d42d262041b9e9dc2f753d8eb27c22853257d32dd0be3/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2021-05-10 08:28:46 UTC
AV detection:
21 of 47 (44.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eqbvhe27pt6frcy5iljgeba3t2o4f52t3dvspqrikmsx2mw5bprq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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727bc43e3d9cdf3e79c2232cf3f647bdf94ad2012c31403434c17e5bbeb3c339
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80b056a8c2fee08fd3361a8a271dea407425ca335275d49f81a1c50a06d9ed98
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ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
d3501787751324e615bd13ed80417360fbd7558385662ac34c51b34802f9b9d4
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e091222f766082c33c0606405115206cb2d915929dfe2ac899b1945d6442c512
Formbook
e9f37a053f32c4f4732ba0ff24dba4d0a57a4e2dc8e8f1698e5601385371ce8e
Formbook
+ 5'065 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210510-s4e3epez4x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.kupipuk.com/et9g/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/240353935f7cfc588b1d42d262041b9e9dc2f753d8eb27c22853257d32dd0be3

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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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

Executable exe 240353935f7cfc588b1d42d262041b9e9dc2f753d8eb27c22853257d32dd0be3

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/154095/
  
URLhaus
https://urlhaus.abuse.ch/url/1216372/
  
Delivery method
Distributed via web download

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