MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da455c9459a51e64557b7f36c33a3ef60fdc43b647d1f2f480c3de5d31b2aa2f. 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

SHA256 hash: da455c9459a51e64557b7f36c33a3ef60fdc43b647d1f2f480c3de5d31b2aa2f
SHA3-384 hash: 15a34318f850802829c73152017600b900f82040c0cadc16f059619662d5df4c1f4e52cf54ecb814172da0612abd0f8c
SHA1 hash: 32b91eda54d5876d8c465f489e951ff36f7a7d77
MD5 hash: b0b5d70e754142a7e45cf40e324fb0ac
humanhash: speaker-green-queen-single
File name:da455c9459a51e64557b7f36c33a3ef60fdc43b647d1f2f480c3de5d31b2aa2f
Download: download sample
Signature Formbook
File size:163'328 bytes
First seen:2020-10-24 21:01:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:YXH7GVa0shqeLUUxPgrsdVjX6AU5jonI0bwdX+b08rNcmay2+48P0rI:ab1dVxPusdVz6AU5jkI0bwdX+bDcE2+B
Threatray 2'653 similar samples on MalwareBazaar
TLSH A0F39E36D642C030E2B252F4F26D1B7B883E0D353255A1AAE3E116A16EF19E5F52D31F
Reporter seifreed
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-10-24 01:43:29 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Malware Config
C2 Extraction:
http://www.schooldayz.net/onmx/
Unpacked files
SH256 hash:
da455c9459a51e64557b7f36c33a3ef60fdc43b647d1f2f480c3de5d31b2aa2f
MD5 hash:
b0b5d70e754142a7e45cf40e324fb0ac
SHA1 hash:
32b91eda54d5876d8c465f489e951ff36f7a7d77
Detections:
win_formbook_g0 win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
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.

  
Delivery method
Other

Comments