MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33ed25d4d86367d8f1026cf26cde357baf28faefe7cfe2f01719a0d2865a4ece. 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: 33ed25d4d86367d8f1026cf26cde357baf28faefe7cfe2f01719a0d2865a4ece
SHA3-384 hash: 8e417a6659faf305d64882adbe90607c998d3bed732ece4b29fab1318dece4fbf1d2e0216472408da42cf122702a6132
SHA1 hash: f91a7304deeedb1cd3ecd4359740be7956cf9195
MD5 hash: 6600b11e2e832ee60e7ba839c1a052db
humanhash: comet-monkey-oscar-cardinal
File name:33ed25d4d86367d8f1026cf26cde357baf28faefe7cfe2f01719a0d2865a4ece
Download: download sample
Signature Formbook
File size:185'856 bytes
First seen:2020-10-24 21:01:06 UTC
Last seen:2020-10-25 07:51:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:jiAnFrZjFqpANLyZb1xtsrLadc4F04R9HZPBUoz5a:2AlJyBPtsLCciX5eI0
Threatray 2'656 similar samples on MalwareBazaar
TLSH 6F04AF32D641C071E2B251F5B67D1B7B883E0D353284A4AAE3E516E06FB49E5B12E31F
Reporter seifreed
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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)
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-10-13 17:02:50 UTC
AV detection:
27 of 29 (93.10%)
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.homespasource.com/p0q/
Unpacked files
SH256 hash:
33ed25d4d86367d8f1026cf26cde357baf28faefe7cfe2f01719a0d2865a4ece
MD5 hash:
6600b11e2e832ee60e7ba839c1a052db
SHA1 hash:
f91a7304deeedb1cd3ecd4359740be7956cf9195
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