MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6
SHA3-384 hash: cdc04b487a902fa05a081dd19793ff5de7fadb92c26399d0c5a5f5b5095ab84c0093165d4284e3bdba907620878be5c0
SHA1 hash: 1149cf97632f315d2a0119910946c7a2ef5cd52f
MD5 hash: 2dc75823d888ef5f49a42ae0ec52e7d6
humanhash: nine-seven-pip-london
File name:2dc75823d888ef5f49a42ae0ec52e7d6
Download: download sample
Signature Formbook
Create hunting rule
File size:654'336 bytes
First seen:2021-09-20 16:56:11 UTC
Last seen:2021-09-20 17:56:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tjFqR3EG3wHKJbawLLsPDE+GTVKkKFai:pFqZE8wYbNLsgxV1i
Threatray 8'068 similar samples on MalwareBazaar
TLSH T154D4390213D18B84D67D7734B674960493F2F1EB6A62DB2E8B4150E66F633825F4F32A
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SteelTrading-PO41636.xlsx
Verdict:
Malicious activity
Analysis date:
2021-09-20 15:30:38 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/31d5128a-d2bd-45ad-ba7c-ee87948ddb4f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/189531/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.3725.28971.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6b8f6b6-7ead-4f72-88b9-8cb246269caa
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854280
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486707 Sample: cKEuN1Afoi Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 30 www.superdiscountgadgets.com 2->30 32 superdiscountgadgets.com 2->32 34 www.hsbp.online 2->34 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 3 other signatures 2->60 10 cKEuN1Afoi.exe 15 3 2->10         started        signatures3 process4 dnsIp5 42 pastebin.pl 168.119.93.163, 443, 49736 HETZNER-ASDE Germany 10->42 28 C:\Users\user\AppData\...\cKEuN1Afoi.exe.log, ASCII 10->28 dropped 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->64 66 Injects a PE file into a foreign processes 10->66 15 cKEuN1Afoi.exe 10->15         started        file6 signatures7 process8 signatures9 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 help.exe 15->18         started        21 explorer.exe 15->21 injected process10 dnsIp11 44 Self deletion via cmd delete 18->44 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Tries to detect virtualization through RDTSC time measurements 18->50 24 cmd.exe 1 18->24         started        36 www.a-snag-ch-aprende-a-volar.zone 104.21.85.230, 49782, 80 CLOUDFLARENETUS United States 21->36 38 shops.myshopify.com 23.227.38.74, 49781, 80 CLOUDFLARENETUS Canada 21->38 40 6 other IPs or domains 21->40 52 System process connects to network (likely due to code injection or exploit) 21->52 signatures12 process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-09-20 16:57:07 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eum5hsa3mkwwrgqvvfwtduk4gu2vr54ljnsk6px7m7etyivinx3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
224ddfe0908d9cc2833a8f0f4c28f8a95ba1975cc0e8da5434a8ce17df54f972
Formbook
40b83e6d53dd993f36bb71599c7be7bb0d8e8e95e4091de1884ca151f3416753
Formbook
4611b180e4173882dba3e08aaa44ae28ce14d2f2709b2017082d57bcdecfb352
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4796e12d5a33b3b717b0ddc65286b9de7479e86bc91cc0bdb843722a5b62951b
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66e9a440c0e4719ed9c472be00302f7a1176f48b5e0153284abc0c8060d70306
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d47d09a9514e4de8ab5aafb93c803ce2f7dfa93461681aa1f28d86a50c6fcbe8
Formbook
f73c1a2549b119a5de3964cdcbbdbefbaca205e1f149b4d77688a92285b4d20b
Formbook
+ 8'058 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e09i loader rat
Link:
https://tria.ge/reports/210920-vfr3haefb5/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.1ufrsx.com/e09i/
Unpacked files
SH256 hash:
2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6
MD5 hash:
2dc75823d888ef5f49a42ae0ec52e7d6
SHA1 hash:
1149cf97632f315d2a0119910946c7a2ef5cd52f
Link:
https://www.unpac.me/results/623432fa-4335-411f-b8a3-c95301c88de6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6

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
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
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.

Web download

Formbook

Executable exe 2519d3c81b62ad689a15a96d31d15c353558f78b4b64af3eff67c93c22a86df6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1636050/
Cape
Cape
https://www.capesandbox.com/analysis/189531/

Comments


Avatar
zbet commented on 2021-09-20 16:56:12 UTC

url : hxxp://107.172.93.10/matt1/kyc1.exe