MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c7d8ace58257e970e2f7738886c596d8189f85cef9127dba9b324735f506821. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 1c7d8ace58257e970e2f7738886c596d8189f85cef9127dba9b324735f506821
SHA3-384 hash: ae9f45425f18ae7c502a482431a2436e86f57cf8cc74bd2effc1d19d771b8c447d849adac5e451991c2d219ed3a2e846
SHA1 hash: ce9603dd85d843e4fd9fa66843f46ca5ece4e260
MD5 hash: f691fb2c2b5183a496711a5b78b575ce
humanhash: pluto-sad-cup-asparagus
File name:f691fb2c2b5183a496711a5b78b575ce.hta
Download: download sample
Signature Formbook
File size:118'083 bytes
First seen:2024-09-23 18:13:39 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 96:Ea+M7iHLlFPiJSHLqFPiJGkpmfORxcHLoHLDFPiJTHLQcAT:Ea+QiHJFPlHOFPhLHsHfFPmHcT
TLSH T1EBB3FAA5DCB90DDCFBDC5E9372FC25E8366C078B979A4F81942B3582C96030CE9C1860
Magika txt
Reporter abuse_ch
Tags:FormBook hta

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
Execution Exploit Generic Network Stealth Gumen Rapid
Result
Verdict:
Malicious
File Type:
HTA File - Malicious Base64 Payload
Payload URLs
URL
File name
http://103.131.130.154/144/audiodg.exe
HTA File
Behaviour
BlacklistAPI detected
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Cobalt Strike, FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Cobalt Strike Beacon
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516118 Sample: NtpNaYQXp7.hta Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 64 www.ps.directory 2->64 66 www.oudeserv.shop 2->66 68 3 other IPs or domains 2->68 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 16 other signatures 2->80 14 mshta.exe 1 2->14         started        17 svchost.exe 1 1 2->17         started        signatures3 process4 dnsIp5 102 Suspicious command line found 14->102 104 PowerShell case anomaly found 14->104 20 cmd.exe 1 14->20         started        62 127.0.0.1 unknown unknown 17->62 signatures6 process7 signatures8 82 Detected Cobalt Strike Beacon 20->82 84 Suspicious powershell command line found 20->84 86 PowerShell case anomaly found 20->86 23 powershell.exe 43 20->23         started        28 conhost.exe 20->28         started        process9 dnsIp10 70 103.131.130.154, 49705, 80 CEPATNET-AS-IDPTMoraTelematikaIndonesiaID Taiwan; Republic of China (ROC) 23->70 56 C:\Users\user\AppData\Roaming\audiodg.exe, PE32 23->56 dropped 58 C:\Users\user\AppData\...\audiodg[1].exe, PE32 23->58 dropped 60 C:\Users\user\AppData\...\m5w0edtk.cmdline, Unicode 23->60 dropped 96 Loading BitLocker PowerShell Module 23->96 98 Powershell drops PE file 23->98 30 audiodg.exe 3 23->30         started        33 csc.exe 3 23->33         started        file11 signatures12 process13 file14 106 Antivirus detection for dropped file 30->106 108 Multi AV Scanner detection for dropped file 30->108 110 Machine Learning detection for dropped file 30->110 112 2 other signatures 30->112 36 audiodg.exe 30->36         started        39 audiodg.exe 30->39         started        54 C:\Users\user\AppData\Local\...\m5w0edtk.dll, PE32 33->54 dropped 41 cvtres.exe 1 33->41         started        signatures15 process16 signatures17 88 Modifies the context of a thread in another process (thread injection) 36->88 90 Maps a DLL or memory area into another process 36->90 92 Sample uses process hollowing technique 36->92 94 2 other signatures 36->94 43 explorer.exe 32 1 36->43 injected process18 dnsIp19 72 www.mirror.live 13.248.252.114, 58619, 80 AMAZON-02US United States 43->72 100 System process connects to network (likely due to code injection or exploit) 43->100 47 help.exe 43->47         started        signatures20 process21 signatures22 114 Modifies the context of a thread in another process (thread injection) 47->114 116 Maps a DLL or memory area into another process 47->116 118 Tries to detect virtualization through RDTSC time measurements 47->118 120 Switches to a custom stack to bypass stack traces 47->120 50 cmd.exe 1 47->50         started        process23 process24 52 conhost.exe 50->52         started       
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2024-09-23 12:43:35 UTC
File Type:
Text
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:j62t defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

HTML Application (hta) hta 1c7d8ace58257e970e2f7738886c596d8189f85cef9127dba9b324735f506821

(this sample)

  
Delivery method
Distributed via web download

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