MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
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SHA256 hash: cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e
SHA3-384 hash: 2cfbd9f79817806201ffa64e07af35c52d510c09432ea0e344f17ad53b37fa5d1ccfd9355c390f985b79f95eeee1df6f
SHA1 hash: d4f5564a35ad83e397e83fe48766d897f2f9d66f
MD5 hash: b6873c361a8425e246ec48b418f8c1cc
humanhash: hydrogen-don-bravo-fifteen
File name:b6873c361a8425e246ec48b418f8c1cc.exe
Download: download sample
Signature Formbook
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File size:378'368 bytes
First seen:2021-08-13 14:31:58 UTC
Last seen:2021-08-13 16:08:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:fIEbugMZb8hOhInFPn7Exq/vuOWABq9VyichGH4twXxxNG:AEJGbSOht9OLBqZH4twXw
Threatray 6'971 similar samples on MalwareBazaar
TLSH T1C984E04A16C242B1D1D88E71B7FD62F812F0A73B9211F76F694462E4CF2270E5A076B3
dhash icon fcdec2c6c6d0d8f8 (8 x AgentTesla, 3 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b6873c361a8425e246ec48b418f8c1cc.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 14:38:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/11a27a52-822b-4452-810c-346d62ea522a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/179009/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59951.17661.29391.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Creating a file
Launching the default Windows debugger (dwwin.exe)
DNS request
Result
Verdict:
UNKNOWN
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/e4cc7a5d-bced-4de5-90b3-286b44d4a830
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832507
Signature
.NET source code contains potential unpacker
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)
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
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: 464941 Sample: eUaN30BTnl.exe Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 32 www.tentenflower.net 2->32 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 other signatures 2->56 11 eUaN30BTnl.exe 15 3 2->11         started        signatures3 process4 dnsIp5 40 pastebin.pl 168.119.93.163, 443, 49715 HETZNER-ASDE Germany 11->40 30 C:\Users\user\AppData\...\eUaN30BTnl.exe.log, ASCII 11->30 dropped 66 Tries to detect virtualization through RDTSC time measurements 11->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->68 70 Injects a PE file into a foreign processes 11->70 16 eUaN30BTnl.exe 11->16         started        file6 signatures7 process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 16->42 44 Maps a DLL or memory area into another process 16->44 46 Sample uses process hollowing technique 16->46 48 Queues an APC in another process (thread injection) 16->48 19 explorer.exe 16->19 injected process10 dnsIp11 34 www.bosscheschool.com 185.182.57.80, 49750, 80 ASTRALUSNL Netherlands 19->34 36 www.fortmyerscruisevacation.com 19->36 38 fortmyerscruisevacation.com 34.102.136.180, 49753, 80 GOOGLEUS United States 19->38 58 System process connects to network (likely due to code injection or exploit) 19->58 23 raserver.exe 19->23         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62 64 Tries to detect virtualization through RDTSC time measurements 23->64 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-08-13 12:17:23 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
21da3823ffb535bf77b19ce43b741011f3783180ab5d74e2aab69ce311ed86fb
Formbook
4717b1585971b702c8e32e5054b5514dc4e6ed5a5f50434d66f43c79d15354c6
Formbook
8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771
Formbook
b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87
Formbook
b98429d0910af088452746a40124e498aa3c943ce450012c770c990788f7fc89
Formbook
edda9af73a29d4e3456a1fd3a67d3a1aabd9692d4f4feba564db139f86201960
Formbook
+ 6'961 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dd2v rat spyware stealer trojan
Link:
https://tria.ge/reports/210813-fy3r2ykrdn/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fortmyerscruisevacation.com/dd2v/
Unpacked files
SH256 hash:
cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e
MD5 hash:
b6873c361a8425e246ec48b418f8c1cc
SHA1 hash:
d4f5564a35ad83e397e83fe48766d897f2f9d66f
Link:
https://www.unpac.me/results/52b8617b-eae3-42e9-97e6-faa172262f00/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cd47b9cf6fd8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 cd47b9cf6fd8f8d3ef5f8dd967c8a2ddabfc65db1c1b53a70d99ba2deb42678e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1527102/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/179009/

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