MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a
SHA3-384 hash: fc26a974a87202b7274a7cc8929ac54f3be6c8855d8adf6a69fe6da942be307ffdcbd609d6f03e10cce74f7ecdb06520
SHA1 hash: 2cdd3b9af90f1bd5c391b7cb0b2dc27b148e97a5
MD5 hash: 9ca403f0126aca99dc9a1f58b748ec09
humanhash: cup-fix-oklahoma-don
File name:Client.vbs
Download: download sample
Signature Formbook
Create hunting rule
File size:13'814 bytes
First seen:2021-01-11 15:57:00 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:YIZAi/mci/Klhi/j64uK5n5MN1YyuWI9q2Jh9tp3F5lb0:Y+Axc3/gn5MN1RIo2Jh9tpV5lw
TLSH 285271B3E993ED5447B83C402421208E31F0772B7EEE6D52B95D19C21B28EDEA2DC795
Reporter JAMESWT_WT
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/111300/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file
Sending a UDP request
Adding an access-denied ACE
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578096
Signature
Creates processes via WMI
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 ipconfig to lookup or modify the Windows network settings
Very long command line found
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338101 Sample: Client.vbs Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 35 www.istanbulfinanshaber.com 2->35 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 6 other signatures 2->61 11 powershell.exe 31 2->11         started        15 wscript.exe 2->15         started        signatures3 process4 dnsIp5 43 cdn.discordapp.com 162.159.134.233, 443, 49724 CLOUDFLARENETUS United States 11->43 45 192.168.2.1 unknown unknown 11->45 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->71 73 Writes to foreign memory regions 11->73 75 Injects a PE file into a foreign processes 11->75 17 control.exe 11->17         started        20 conhost.exe 11->20         started        77 Creates processes via WMI 15->77 signatures6 process7 signatures8 47 Modifies the context of a thread in another process (thread injection) 17->47 49 Maps a DLL or memory area into another process 17->49 51 Sample uses process hollowing technique 17->51 53 2 other signatures 17->53 22 explorer.exe 17->22 injected process9 dnsIp10 37 picapak.com 92.222.182.237, 49755, 80 OVHFR France 22->37 39 www.myhomeintehaleh.com 40.65.124.100, 49756, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->39 41 4 other IPs or domains 22->41 63 System process connects to network (likely due to code injection or exploit) 22->63 26 ipconfig.exe 22->26         started        29 autofmt.exe 22->29         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67 69 Tries to detect virtualization through RDTSC time measurements 26->69 31 cmd.exe 26->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-01-11 14:31:37 UTC
File Type:
Text (VBS)
AV detection:
6 of 45 (13.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtczizpatnd2vdapvhygdggjulukstxmbn57pr7ghty7s4xw5cfa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210111-1xryhp5nse/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Drops file in System32 directory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Formbook Payload
Formbook
Process spawned unexpected child process
Malware Config
C2 Extraction:
http://www.usuallycurious.com/ht8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Virus
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/111300/

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