MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd
SHA3-384 hash: 177375fc69249e893654e227e507298f251ea69b752bd2890e0807a47beec639a46609103649ec973cf20d394cae5721
SHA1 hash: 01a323f5a26ee8135afe7d0d094afeb5d1f24d9a
MD5 hash: 5e5cfa1b27cc55298966d50dd37c7416
humanhash: jupiter-apart-kitten-comet
File name:ffrs00123.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:264'983 bytes
First seen:2021-11-10 11:33:50 UTC
Last seen:2021-11-10 15:05:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGidFzR6VPSrMY4ItUYRdEkohZqpqbhmZtUkiRKWJ2ASn:NUjY3CYRekohsomZt9G2A2
Threatray 11'230 similar samples on MalwareBazaar
TLSH T16B44121ABDD0D4B3DDA08571493A6BB5D7FEF1AA07E42A1B4FB07FB15C82942C844292
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/204702/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.4173.28080.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/618bae2c175442ca93aa8ee5/reports/6242deb2-7014-4a0c-9ad0-5d862ad00481/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/850dc415-9782-423b-9c1a-98e719332b56
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886670
Signature
Antivirus detection for dropped file
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
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 519143 Sample: ffrs00123.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 31 www.futureswirl.com 2->31 33 futureswirl.com 2->33 35 www.vivx.us 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 3 other signatures 2->43 11 ffrs00123.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\wkmbupmq.dll, PE32 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 ffrs00123.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 process10 20 WWAHost.exe 18->20         started        signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        25 explorer.exe 2 155 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 11:11:16 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7shmjkjxwljso3g55fdcofkjmn4vdccnwlc44j2sofntpj2wldgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 11'220 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fh3c rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211110-npfbqseahk/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.prometaly.fr/fh3c/
Unpacked files
SH256 hash:
fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd
MD5 hash:
5e5cfa1b27cc55298966d50dd37c7416
SHA1 hash:
01a323f5a26ee8135afe7d0d094afeb5d1f24d9a
Link:
https://www.unpac.me/results/9fe1d079-d5b7-426a-8506-6f38b6822eb2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fc8ec4a937b2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204702/

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