MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b23c3ddd235c8708c47bf3eec883a6f8ec12656680648400cb4733d9a14e762. 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 2 File information Comments

SHA256 hash: 8b23c3ddd235c8708c47bf3eec883a6f8ec12656680648400cb4733d9a14e762
SHA3-384 hash: 927f5405370c24d924b23eb606425a28f7f2f30295fc4a4c19a5c1fabb44f5e2ea49ee21cbca2466a150904075d562c2
SHA1 hash: a5b49aea492de5430b09fa6c1e07a43a28c92b9d
MD5 hash: 93918c623317234901e5846540f3a43d
humanhash: utah-lithium-happy-yellow
File name:8b23c3ddd235c8708c47bf3eec883a6f8ec12656680648400cb4733d9a14e762
Download: download sample
Signature Formbook
File size:185'856 bytes
First seen:2020-10-24 21:01:01 UTC
Last seen:2020-10-25 07:55:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:TDhzK7wjZWfpsOjxl47KVrK6IUxg2ELN/pP8tGzb4JHg:fhEwYNxy7erK6IUhCt2kzb4JH
Threatray 2'655 similar samples on MalwareBazaar
TLSH 1604AE32D642C031F2B201B5B67D177B883E0D347299A0E6A7E526E0AFA45E5F53931F
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
DNS request
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 303457 Sample: qbgfueZLa1 Startdate: 24/10/2020 Architecture: WINDOWS Score: 100 24 www.qihuo119.com 2->24 26 qihou119.gotoip11.com 2->26 28 hkvhost280.800cdn.com 2->28 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 4 other signatures 2->48 10 qbgfueZLa1.exe 2->10         started        signatures3 process4 signatures5 50 Modifies the context of a thread in another process (thread injection) 10->50 52 Maps a DLL or memory area into another process 10->52 54 Sample uses process hollowing technique 10->54 56 2 other signatures 10->56 13 explorer.exe 10->13 injected process6 dnsIp7 30 onedollarreports.com 34.102.136.180, 49731, 80 GOOGLEUS United States 13->30 32 shops.myshopify.com 23.227.38.64, 49732, 80 CLOUDFLARENETUS Canada 13->32 34 4 other IPs or domains 13->34 58 System process connects to network (likely due to code injection or exploit) 13->58 17 raserver.exe 13->17         started        signatures8 process9 signatures10 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Tries to detect virtualization through RDTSC time measurements 17->40 20 cmd.exe 1 17->20         started        process11 process12 22 conhost.exe 20->22         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-10-16 18:28:45 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.onedollarreports.com/ga4/
Unpacked files
SH256 hash:
8b23c3ddd235c8708c47bf3eec883a6f8ec12656680648400cb4733d9a14e762
MD5 hash:
93918c623317234901e5846540f3a43d
SHA1 hash:
a5b49aea492de5430b09fa6c1e07a43a28c92b9d
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