MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db00c50095732ed84821f321b813546431f298525fea8dbd1a4545c3abfa1fe1. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db00c50095732ed84821f321b813546431f298525fea8dbd1a4545c3abfa1fe1
SHA3-384 hash: 6ba9d96e3d61012a8ae483a025105cfebb39b4b54b11bb40339e6f1ff064bce15ed6ddf0b8ea151f6eeda275361d25da
SHA1 hash: 3b5d3334936280cee7be949a7712669300502377
MD5 hash: e0e7f44f32d0b3dabb08bd61a3b81f6a
humanhash: autumn-cardinal-mirror-lamp
File name:Revised Invoice #03252022.vbs
Download: download sample
Signature Formbook
Create hunting rule
File size:636 bytes
First seen:2022-03-25 18:11:45 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12:Q9rs+RxlpCv2AurscvNJwEM2K0JYwrEkUrcNgWaA0P:AI2pXrP4rcNg3
TLSH T168F0468E66C8A459CAE3D8BC43CE08FD9959F87BF43C584A7678C17319210AA30D71B0
Reporter abuse_ch
Tags:FormBook vbs


Avatar
abuse_ch
Payload URL:
https://transfer.sh/get/9GqmOG/jramooooss.ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/257854/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.47476.6143.15276.UNOFFICIAL
Create hunting rule

Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964881
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Compiles code to access protected / encrypted code
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: PowerShell Web Download and Execution
Sigma detected: Suspicious PowerShell Command Line
Sigma detected: Suspicious PowerShell Parameter Substring
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 597363 Sample: Revised Invoice #03252022.vbs Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 60 www.mytrainermatrix.online 2->60 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 7 other signatures 2->86 12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 106 Wscript starts Powershell (via cmd or directly) 12->106 15 powershell.exe 14 24 12->15         started        process6 dnsIp7 72 transfer.sh 144.76.136.153, 443, 49772, 49773 HETZNER-ASDE Germany 15->72 52 C:\Users\user\AppData\Local\...\w2tb1g0g.0.cs, UTF-8 15->52 dropped 74 Writes to foreign memory regions 15->74 76 Compiles code to access protected / encrypted code 15->76 78 Injects a PE file into a foreign processes 15->78 20 aspnet_compiler.exe 15->20         started        23 csc.exe 3 15->23         started        26 conhost.exe 15->26         started        file8 signatures9 process10 file11 88 Modifies the context of a thread in another process (thread injection) 20->88 90 Maps a DLL or memory area into another process 20->90 92 Sample uses process hollowing technique 20->92 94 2 other signatures 20->94 28 explorer.exe 6 20->28 injected 54 C:\Users\user\AppData\Local\...\w2tb1g0g.dll, PE32 23->54 dropped 33 cvtres.exe 1 23->33         started        signatures12 process13 dnsIp14 66 www.janhenningsen.com 217.160.0.98, 49807, 80 ONEANDONE-ASBrauerstrasse48DE Germany 28->66 68 www.ksustudyabroad.com 74.208.236.137, 49795, 80 ONEANDONE-ASBrauerstrasse48DE United States 28->68 70 28 other IPs or domains 28->70 56 C:\Users\user\AppData\...\colorcpl2d2htd.exe, PE32 28->56 dropped 58 C:\Program Files (x86)\...\colorcpl2d2htd.exe, PE32 28->58 dropped 108 System process connects to network (likely due to code injection or exploit) 28->108 110 Benign windows process drops PE files 28->110 35 raserver.exe 1 12 28->35         started        39 colorcpl2d2htd.exe 2 28->39         started        file15 signatures16 process17 dnsIp18 62 www.mydxza.com 35->62 64 192.168.2.1 unknown unknown 35->64 96 Tries to steal Mail credentials (via file / registry access) 35->96 98 Tries to harvest and steal browser information (history, passwords, etc) 35->98 100 Modifies the context of a thread in another process (thread injection) 35->100 102 2 other signatures 35->102 41 cmd.exe 2 35->41         started        44 cmd.exe 1 35->44         started        46 conhost.exe 39->46         started        signatures19 process20 signatures21 104 Tries to harvest and steal browser information (history, passwords, etc) 41->104 48 conhost.exe 41->48         started        50 conhost.exe 44->50         started        process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db00c50095732ed84821f321b813546431f298525fea8dbd1a4545c3abfa1fe1/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2022-03-25 17:26:18 UTC
File Type:
Text (VBS)
AV detection:
7 of 25 (28.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3mamkaevomxnqsbb6mq3qe2umqy7fgcsl7vi3pi2ivc4hk72d7qq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/220325-ws828abad3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://transfer.sh/get/9GqmOG/jramooooss.ps1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/db00c50095732ed84821f321b813546431f298525fea8dbd1a4545c3abfa1fe1

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:SUSP_Websites
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware

File information

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

Malspam

Formbook

Visual Basic Script (vbs) vbs db00c50095732ed84821f321b813546431f298525fea8dbd1a4545c3abfa1fe1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2115295/
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/257854/

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