MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: 6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc
SHA3-384 hash: 824142d08e9f6d1b272338dd4fbfcba3d6ce8325ffa16b5addf6c73ded742327c76bd3adcf4d939b67d8073f0f2e212e
SHA1 hash: 321ebe9784057ad7c1bc9935866a4a5d360f97dc
MD5 hash: 75096d1dac8c09fc56423f6074aae1a7
humanhash: sierra-mountain-sierra-angel
File name:3032022NT.exe
Download: download sample
Signature Formbook
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File size:308'418 bytes
First seen:2022-03-03 06:06:47 UTC
Last seen:2022-03-03 14:33:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiZn9lLxhVf7GDM06Y4EgW29Xp/CvXcymEW1GHVj/1iE00jEh:FrxhVK1qXp/C/cymQVr1iJ0jEh
Threatray 13'774 similar samples on MalwareBazaar
TLSH T1B364225A33D004FBDEA206B041F75F7993FA874E01DA584B9BF04F6D9B20999278E588
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter fabjer
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/246678/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.48496313.21798.27232.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3948a5b-5c27-46ec-9352-d1a0844f432a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949687
Signature
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 582164 Sample: 3032022NT.exe Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 4 other signatures 2->55 11 3032022NT.exe 18 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\bovgkn.exe, PE32 11->33 dropped 14 bovgkn.exe 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 bovgkn.exe 14->17         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 dnsIp10 35 bondcountydemocrats.com 216.172.184.232, 49793, 80 UNIFIEDLAYER-AS-1US United States 20->35 37 thechristiecompany.com 209.15.40.102, 49786, 80 COGECO-PEER1CA Canada 20->37 39 2 other IPs or domains 20->39 57 System process connects to network (likely due to code injection or exploit) 20->57 24 control.exe 20->24         started        27 autochk.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:
formbook
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Link:
https://mwdb.cert.pl/sample/6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-03-03 00:43:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nreunzj664eygekqx4wme4v4jiajjjot3el4akmurgaxrl7ccc6a._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
0736da1f42878cc4630f0b855fb638e76989fc53513fac93061cfdd49f9c94cf
Formbook
0dd6c6526e7ccdabf1ee6ceae3d38018d78288e543604f67995300f23eebc4b0
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
Formbook
67db5982545c91192a7c4fcaa3cbe5324de3e69faa1af275b05926d80eda889d
Formbook
6ecfdff224175dade2cbf63719974b5335c1a81cf787142681163ddf882ce00e
Formbook
8e7173102d77a6ed527fc3e783be4aa446e757f4417d3fa1f60f3e9cd0cff4f9
Formbook
945f67ae677681e14db036f753f47333556fea6f3837bef7399e440e6bc167d5
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 13'764 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bs11 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220303-gvb3yabbgn/
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc
MD5 hash:
75096d1dac8c09fc56423f6074aae1a7
SHA1 hash:
321ebe9784057ad7c1bc9935866a4a5d360f97dc
Link:
https://www.unpac.me/results/f18349aa-bcb3-4be9-92d1-896d8a087028/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6c4946e53ef7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc

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:crime_win32_ransom_avaddon_1
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

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

Malspam

Formbook

r01 7ff47fe8fe08ec46857fd322a3d050d9703593539707d21bd9e365539204c0a8

Formbook

Executable exe 6c4946e53ef709831150bf2cc272bc4a0094a5d3d917c02994898178afe210bc

(this sample)

Executable exe 70c566d749ba9c8bbfd0ce18767fdef51cbe205ab0bb27c8070fab75a7396a96

  
Dropped by
SHA256 7ff47fe8fe08ec46857fd322a3d050d9703593539707d21bd9e365539204c0a8
  
Dropping
SHA256 70c566d749ba9c8bbfd0ce18767fdef51cbe205ab0bb27c8070fab75a7396a96
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/246678/

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