MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec
SHA3-384 hash: 46be181bd44fcf9276cb76bac8880927456640d2ae3a4c6b230a7542a25872407ae0a737708b3e58278aa13039f868e9
SHA1 hash: e1b0d3265fa30eb2cf3d207cb550b884963ff475
MD5 hash: 076375a538b587ac4d6297ffc2c8b58c
humanhash: west-cat-arkansas-illinois
File name:PROFORMA INVOICE_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:735'626 bytes
First seen:2022-01-19 12:52:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:Vw7I3Nl2f2YLDZLTi4wEV0aAQoNqHrWOGZLx2IGPXh:yI9lHYLDZLTi4N0aNoNSyOGZVrGPXh
Threatray 13'206 similar samples on MalwareBazaar
TLSH T1BCF4B51D16B19887C09D8EF0B84DEB7F18122DB9A722C6363534B19F39123F92D6643B
File icon (PE):PE icon
dhash icon e0f0d2f0e2ccb492 (5 x Formbook, 4 x AveMariaRAT, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220614/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe expand.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/61e809b2d32385db63086629/reports/1338b12d-5213-46c6-bfdb-5d5a12b28824/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/f742687a-a9a0-4576-b977-43e58c42c363
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923448
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 555922 Sample: PROFORMA INVOICE_PDF.exe Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 32 www.spacezanome.xyz 2->32 34 www.best-paper-to-know-today.info 2->34 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 9 PROFORMA INVOICE_PDF.exe 19 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\idsllcv.dll, PE32 9->24 dropped 60 Injects a PE file into a foreign processes 9->60 13 PROFORMA INVOICE_PDF.exe 9->13         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 16 explorer.exe 13->16 injected process9 dnsIp10 26 saprove.com 37.187.180.144, 49789, 80 OVHFR France 16->26 28 www.eagle-meter.com 147.255.135.250, 49791, 80 LEASEWEB-USA-LAX-11US United States 16->28 30 14 other IPs or domains 16->30 38 System process connects to network (likely due to code injection or exploit) 16->38 40 Performs DNS queries to domains with low reputation 16->40 42 Uses ipconfig to lookup or modify the Windows network settings 16->42 20 ipconfig.exe 12 16->20         started        signatures11 process12 dnsIp13 36 www.liaojinc.xyz 20->36 52 Performs DNS queries to domains with low reputation 20->52 54 Modifies the context of a thread in another process (thread injection) 20->54 56 Maps a DLL or memory area into another process 20->56 58 Tries to detect virtualization through RDTSC time measurements 20->58 signatures14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 12:15:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtdvqouuvnduxhgtkcpizjz6w6qz44h7ylcpurmcztl72pyqyxwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b63747868505bd36bda5292992b2ff09c371844379d7a180530e02186524627
Formbook
41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
Formbook
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95
Formbook
57037671020fbbcf7e45114c351297ed8ccf818410c36aa4030434bc41ce86b3
Formbook
6846492babd6809fcbf6d1a30ebd47db29061bc23237069ff85a86b406b1abb0
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
889a99efe47a7cd2f2ee5797086d76e5811f9502047d9be1c6cbc1dc815c57fe
Formbook
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
+ 13'196 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:nt3f loader rat suricata
Link:
https://tria.ge/reports/220119-p4mvsshher/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
149fddd6d60737e0e971c03111a4bb582ca16a8f08c838e73371163191cd17d5
MD5 hash:
40056abcdc0a75b7b51b5c08b8db3c07
SHA1 hash:
05eed606a5cd55f7c72de355fd1f7ba753c9ade4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/807ce1cc-a1a6-4015-893b-eea8793870b9/
Parent samples :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 hash:
674500cab69b44aaf389ff8022d77cb6b1f3166225bb58cba2c964b843bc442e
MD5 hash:
75a6e047d5d32cd1cc52dccb3c200d87
SHA1 hash:
f0fc2e45c5c324c27e9bb9c2a6ee3580e0dbac1c
Link:
https://www.unpac.me/results/807ce1cc-a1a6-4015-893b-eea8793870b9/
SH256 hash:
64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec
MD5 hash:
076375a538b587ac4d6297ffc2c8b58c
SHA1 hash:
e1b0d3265fa30eb2cf3d207cb550b884963ff475
Link:
https://www.unpac.me/results/807ce1cc-a1a6-4015-893b-eea8793870b9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec

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: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.

Malspam

Formbook

Executable exe 64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220614/

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