MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42
SHA3-384 hash: 38b771cf9a39e2316f7ae08653e9eb2943c3d38f669831596822bd73f784a6e37dd97d347e4fa922c144e51ef3e4a9c8
SHA1 hash: 9b2e08c889a2d86ef3625e80855e551e7221c5e9
MD5 hash: 3657b2f21cfdc84bc53eee638ccef99c
humanhash: harry-cardinal-black-december
File name:3657b2f21cfdc84bc53eee638ccef99c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:685'568 bytes
First seen:2021-09-03 12:48:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:JFJLgGZFchKjFsJZHHqHH++vNNveb7/+LObBQ+UuH/fLCPboVmcmCDQ6+3l83Osl:MoFGCHv7WvYOFQ+UYO0VmHCD9gl8fl
Threatray 8'893 similar samples on MalwareBazaar
TLSH T183E42C3E58FE23279176C7D5CBE58823F6C498AF3233A96567D747264306A4634C322E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
338
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order.doc
Verdict:
Malicious activity
Analysis date:
2021-09-03 12:47:31 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/44bcb254-6d34-4595-be01-13afda5e125b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/185176/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.21612.8658.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87064b9d-a5fa-4acb-8f92-4ec4401402aa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844829
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 477257 Sample: GvrY83cA2d.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 10 GvrY83cA2d.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...behaviorgraphvrY83cA2d.exe.log, ASCII 10->32 dropped 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 14 GvrY83cA2d.exe 10->14         started        17 GvrY83cA2d.exe 10->17         started        19 GvrY83cA2d.exe 10->19         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 21 explorer.exe 14->21 injected process8 dnsIp9 34 www.cattarauguspistolpermit.com 208.92.209.208, 49752, 80 ENTERHOST-ASUS United States 21->34 36 www.inteleflow.com 52.128.23.153, 49749, 80 DOSARRESTUS United States 21->36 38 www.klantenveiligheid.com 44.227.65.245, 49753, 80 AMAZON-02US United States 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 25 WWAHost.exe 21->25         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 25->50 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 03:33:09 UTC
AV detection:
20 of 43 (46.51%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yr2nzhmb4ceef5jhjb6qgjkrwdmg5fna6mx2f26hg5p5w5ampzba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25644ff35da89545c702b633182c4ff1f649dd64c9c8249be9afe7090359d87d
Formbook
7d6cb8f7f367c80349027eada7707f57f758aa3ba31fc4889f6f8bec5ff47cab
Formbook
8d6843a7f3cf4ffef14d352860728eba74509878e32a29fb52fa398218a68f57
Formbook
96d01352b8291a658a602d403e2133d469945ab385d9746db535aba474fc04d0
Formbook
bf47f08eee3ae55a05d7cc1609a916422eb04771d04242ffa60756d922df3412
Formbook
c44b1ee1b7cd66260ed15839ebaa8fc97be83e5b61007a14384f86e14ecf4a20
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
+ 8'883 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bckt rat spyware stealer trojan
Link:
https://tria.ge/reports/210903-p2cxtagcbr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.wonderspirits.com/bckt/
Unpacked files
SH256 hash:
bd39c62e454bea953bfb1da37b102d7758a487fbf10ba126368d52d0edf6ef84
MD5 hash:
eee6db77469f8bd29389645188ec1a5e
SHA1 hash:
34a81c7627e1cd505b953c41dcca3d39d6752684
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/536a441d-186f-4e9a-83e2-c31989cfdd1c/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/536a441d-186f-4e9a-83e2-c31989cfdd1c/
SH256 hash:
b5ecdb9451c4ffe31b1ef343e57d60a494a4eb817d46448f1b55895ab0db12b1
MD5 hash:
867a46773103df85fd1551a2767cde5e
SHA1 hash:
4975b661484de9e67c13cb608183148d2b1e9aa2
Link:
https://www.unpac.me/results/536a441d-186f-4e9a-83e2-c31989cfdd1c/
SH256 hash:
c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42
MD5 hash:
3657b2f21cfdc84bc53eee638ccef99c
SHA1 hash:
9b2e08c889a2d86ef3625e80855e551e7221c5e9
Link:
https://www.unpac.me/results/536a441d-186f-4e9a-83e2-c31989cfdd1c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42

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:pe_imphash
Create hunting rule
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 c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1586438/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/185176/

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