MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97331903710ef4dde490c598338cc17f59cac74d05ec3824c5068459f3a70723. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: 97331903710ef4dde490c598338cc17f59cac74d05ec3824c5068459f3a70723
SHA3-384 hash: 6b54daa166f143d22cdf6a23e758da5612ba737d4548a1d3d250af9134c742409c4237bb226ab24fa9567af833c6ac1c
SHA1 hash: 1edd725d4e16fd82eca47ea24ee842d2387acc31
MD5 hash: 1642abe000e42985c37d27cc9aff5d6d
humanhash: uranus-cola-vermont-jupiter
File name:Bank Transfer Accounting Copy.Vbs
Download: download sample
Signature Formbook
File size:2'210 bytes
First seen:2025-02-11 17:31:52 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:nJ1AAfzWyS8spEoLEpK/jk/0LMGU/eE4W:nJ1AAzWy9spEoLyK/jk/f/erW
TLSH T14041031FF803A234C43BC9AD8C4BD42DC9780383951A44E4F96C82B61F3D2ADE19D68A
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
trojan shell virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex dropper evasive obfuscated obfuscated opendir opendir packed packed powershell
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1612364 Sample: Bank Transfer Accounting Co... Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 45 www.travel-cure.sbs 2->45 47 198.187.3.20.in-addr.arpa 2->47 67 Suricata IDS alerts for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 7 other signatures 2->73 12 wscript.exe 16 2->12         started        signatures3 process4 dnsIp5 51 87.120.120.56, 49732, 80 UNACS-AS-BG8000BurgasBG Bulgaria 12->51 43 C:\Temp\JSDSDGSD.ps1, ASCII 12->43 dropped 91 System process connects to network (likely due to code injection or exploit) 12->91 93 VBScript performs obfuscated calls to suspicious functions 12->93 95 Wscript starts Powershell (via cmd or directly) 12->95 97 2 other signatures 12->97 17 powershell.exe 13 12->17         started        file6 signatures7 process8 file9 41 C:\Users\user\AppData\Local\Temp\x.exe, PE32 17->41 dropped 61 Suspicious execution chain found 17->61 63 Found suspicious powershell code related to unpacking or dynamic code loading 17->63 65 Powershell drops PE file 17->65 21 x.exe 3 17->21         started        24 conhost.exe 17->24         started        signatures10 process11 signatures12 77 Antivirus detection for dropped file 21->77 79 Multi AV Scanner detection for dropped file 21->79 81 Machine Learning detection for dropped file 21->81 83 3 other signatures 21->83 26 RegAsm.exe 21->26         started        process13 signatures14 85 Maps a DLL or memory area into another process 26->85 29 pYDGbs1KMM8aJzw.exe 26->29 injected process15 signatures16 87 Maps a DLL or memory area into another process 29->87 89 Found direct / indirect Syscall (likely to bypass EDR) 29->89 32 ROUTE.EXE 13 29->32         started        process17 signatures18 53 Tries to steal Mail credentials (via file / registry access) 32->53 55 Tries to harvest and steal browser information (history, passwords, etc) 32->55 57 Maps a DLL or memory area into another process 32->57 59 2 other signatures 32->59 35 pYDGbs1KMM8aJzw.exe 32->35 injected 39 firefox.exe 32->39         started        process19 dnsIp20 49 www.travel-cure.sbs 199.59.243.160, 63918, 80 BODIS-NJUS United States 35->49 75 Found direct / indirect Syscall (likely to bypass EDR) 35->75 signatures21
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2025-02-11 12:04:41 UTC
File Type:
Text (VBS)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:js_formbook
Author:dubfib
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Comments