MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f
SHA3-384 hash: a5206fec58d3e731a87f3650487d198d6706736d5cd3b053c9f7a3d4e8874cd8d9cc2367b16e30c672e2354c0870d01c
SHA1 hash: f1dc015fb3015167cfe13ff4beef42aa03bb2d28
MD5 hash: 0c73dcd03938df6a9af97d992115b76c
humanhash: victor-spaghetti-batman-december
File name:0c73dcd03938df6a9af97d992115b76c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:800'256 bytes
First seen:2021-03-04 17:04:06 UTC
Last seen:2021-03-04 18:35:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:0D9y2/py8v9phJ9YcJzcZ6eSe2HBvAiFunrXLdUq5XL+YNvh9GMl3EJJ:i/py8tssobAXUrx+YyJ
Threatray 4'022 similar samples on MalwareBazaar
TLSH D6059E7079E95648F03A5B795BA03161DBFBBC36DF10D00D7CA542894A33A819B72B3B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0c73dcd03938df6a9af97d992115b76c.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-04 17:06:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0abdcb67-c800-4ebc-8872-b20deeac9a86

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/122317/
Detection(s):
SecuriteInfo.com.Variant.Bulz.381882.27607.11156.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/628909
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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 submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363427 Sample: c6QzFRVy7S.exe Startdate: 04/03/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 10 c6QzFRVy7S.exe 3 2->10         started        process3 file4 34 C:\Users\user\AppData\...\c6QzFRVy7S.exe.log, ASCII 10->34 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 c6QzFRVy7S.exe 10->14         started        17 c6QzFRVy7S.exe 10->17         started        19 c6QzFRVy7S.exe 10->19         started        21 c6QzFRVy7S.exe 10->21         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 23 explorer.exe 14->23 injected process8 dnsIp9 36 consciousdanceevent.com 37.97.254.27, 49764, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 23->36 38 www.specnazshow.com 154.86.42.243, 49768, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 23->38 40 4 other IPs or domains 23->40 50 System process connects to network (likely due to code injection or exploit) 23->50 27 chkdsk.exe 23->27         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2021-03-04 12:46:39 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gyz5ej527gn4kcpeq4blhruoioqc4bybxir37pgxp2os6cgr3uxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
1e107f01485dd3c413656b5e2d2fdb79166847cd8b3e5f6dc0bcf4895d530c39
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
ef77a8918ed19e4c73ba620ee2fba77e1058d8b132768ef034dc10322d560aa0
Formbook
+ 4'012 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210304-9lhh14rraa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.contactodirectoseguros.com/x0h/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/b9451546-3065-4b91-99fe-15af2be30111/
SH256 hash:
3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f
MD5 hash:
0c73dcd03938df6a9af97d992115b76c
SHA1 hash:
f1dc015fb3015167cfe13ff4beef42aa03bb2d28
Link:
https://www.unpac.me/results/b9451546-3065-4b91-99fe-15af2be30111/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f

File information

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

Web download

Formbook

Executable exe 3633d227baf99bc509e48702b3c68e43a02e0701ba23bfbcd77e9d2f08d1dd2f

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/122317/
  
URLhaus
https://urlhaus.abuse.ch/url/1046667/
  
Delivery method
Distributed via web download

Comments