MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2811e1f4aa210ac5b0a651add7c3b3a999d70203c06dad333cbe4b8a3b64d608. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2811e1f4aa210ac5b0a651add7c3b3a999d70203c06dad333cbe4b8a3b64d608
SHA3-384 hash: f82091d6e59a5dcff99fd5dab56a2f0b688afc120fc4de5a4c24ba717601cc29efccfedbab349094d40fa7eba0220aa6
SHA1 hash: 34fa168237e506a0ed0a24c13d518e7854617334
MD5 hash: 1e6c09196fa97c453a3146621008e0c5
humanhash: item-two-london-seven
File name:NEW PO N49876733.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:462'336 bytes
First seen:2020-08-12 07:04:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:IHX8kTbqWnNI0vy1tW1VnGOv2Epppppppppppppppppppppp:IHLTjIJS159
Threatray 2'310 similar samples on MalwareBazaar
TLSH A4A45A362D83C138D4360AB0E8395AD3A6293E393765865EB396334C1F7319B7B5721E
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/43987/
Detection(s):
Sanesecurity.Malware.25544.7zHeur.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/421566
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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)
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)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2811e1f4aa210ac5b0a651add7c3b3a999d70203c06dad333cbe4b8a3b64d608/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 09:45:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fai6d5fkeefmlmfgkgw5pq5tvgm5oaqdybw22mz4xzfyuo3e2yea._file
Verdict:
malicious
Similar samples:
0e7ba6c8acc0e3de5a31e050eb287daba683c992e12c4715730ef3ccf3bbf575
Formbook
226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351
Formbook
3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4
Formbook
5e5d88343393a5a1f98a66c8e5967023e200dcf3be81bc0a3c210396156d0fea
Formbook
7c2b01523e8d8a1ea6d09a426ad2a8fb88ec84bb9d3d0c42743b86ab16bd54c7
Formbook
7c73899c0587f768cfbb871b9305c7b47e85b39c330c5f82fd79345ee914d3d6
Formbook
8067539c7f15318bf8e93b32e339c7236e3b242e8d56637f2c64f6d01c83b3c9
Formbook
b9c1be5f81b9261b1bb68fb0f667a57721bd04b750427a9382844c42d18dba6e
Formbook
c62ef08103c30d5d2d18fbc2eff820985af40aa377828ef72c3ecad495103511
Formbook
d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
Formbook
+ 2'300 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat family:formbook
Link:
https://tria.ge/reports/200812-2n7g8g2lr2/
Behaviour
Formbook Payload
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/2811e1f4aa210ac5b0a651add7c3b3a999d70203c06dad333cbe4b8a3b64d608

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:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

z f2a896a1572fd1bdd420a9686b4e98885b1308ade872b300303c4a638700854d

Formbook

Executable exe 2811e1f4aa210ac5b0a651add7c3b3a999d70203c06dad333cbe4b8a3b64d608

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f2a896a1572fd1bdd420a9686b4e98885b1308ade872b300303c4a638700854d
Cape
Cape
https://www.capesandbox.com/analysis/43987/

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