MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cddef48cbafa5561f43fd788cfc08215af2c8c4d700bbad363c467e60ad0eda1. 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 File information Comments

SHA256 hash: cddef48cbafa5561f43fd788cfc08215af2c8c4d700bbad363c467e60ad0eda1
SHA3-384 hash: 06a970f665b59284a2ed19fc30f138979a66ffd8758bc56277d37d4561a4453eece7b05b861acd989a68128b947fdf19
SHA1 hash: 446fac74df877fbc79d0a84d3add552d062523c2
MD5 hash: 4109d451b2fd5b3b7db60f8c72331c78
humanhash: carbon-aspen-friend-pizza
File name:4109d451b2fd5b3b7db60f8c72331c78.exe
Download: download sample
Signature Formbook
File size:750'080 bytes
First seen:2020-09-04 05:03:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f9e8ac5f7b6fee25a76ba39a5074f0e (3 x Formbook, 1 x AgentTesla, 1 x RemcosRAT)
ssdeep 12288:CFOaNz0BIO1+wqctsjUqhtyTsg1lM9xjkqryfLtqWyglIZjGr+thSIZwe:+f+B91xtspzq6wqWBqWypZ6rghfZw
Threatray 2'252 similar samples on MalwareBazaar
TLSH 43F49EA6B2D08BF3C2562538BC1B9674A839BE1C2969584E2FE4CC7C4F3D29135760D7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Detected FormBook malware
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
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 dropped file
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 282287 Sample: sUULqZK1PC.exe Startdate: 04/09/2020 Architecture: WINDOWS Score: 100 55 www.calyxncola.com 2->55 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for dropped file 2->67 69 10 other signatures 2->69 11 sUULqZK1PC.exe 2->11         started        signatures3 process4 signatures5 87 Detected unpacking (changes PE section rights) 11->87 89 Maps a DLL or memory area into another process 11->89 91 Tries to detect virtualization through RDTSC time measurements 11->91 93 Contains functionality to detect sleep reduction / modifications 11->93 14 sUULqZK1PC.exe 11->14         started        process6 signatures7 95 Modifies the context of a thread in another process (thread injection) 14->95 97 Maps a DLL or memory area into another process 14->97 99 Sample uses process hollowing technique 14->99 101 Queues an APC in another process (thread injection) 14->101 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 49 www.skillsforkills.com 154.206.63.2, 49742, 80 ITACE-AS-APItaceInternationalLimitedHK Seychelles 17->49 51 thebelieversdog.com 34.102.136.180, 49739, 80 GOOGLEUS United States 17->51 53 2 other IPs or domains 17->53 41 C:\Users\user\...\zvgpdxfpe8qxwxix.exe, PE32 17->41 dropped 43 C:\...\zvgpdxfpe8qxwxix.exe, PE32 17->43 dropped 71 System process connects to network (likely due to code injection or exploit) 17->71 73 Benign windows process drops PE files 17->73 22 mstsc.exe 1 17 17->22         started        26 zvgpdxfpe8qxwxix.exe 17->26         started        28 zvgpdxfpe8qxwxix.exe 17->28         started        30 2 other processes 17->30 file10 signatures11 process12 file13 45 C:\Users\user\AppData\...\J1Rlogrv.ini, data 22->45 dropped 47 C:\Users\user\AppData\...\J1Rlogri.ini, data 22->47 dropped 75 Detected FormBook malware 22->75 77 Tries to steal Mail credentials (via file access) 22->77 79 Tries to harvest and steal browser information (history, passwords, etc) 22->79 81 Modifies the context of a thread in another process (thread injection) 22->81 32 cmd.exe 1 22->32         started        83 Maps a DLL or memory area into another process 26->83 34 zvgpdxfpe8qxwxix.exe 26->34         started        37 zvgpdxfpe8qxwxix.exe 28->37         started        85 Tries to detect virtualization through RDTSC time measurements 30->85 signatures14 process15 signatures16 39 conhost.exe 32->39         started        57 Modifies the context of a thread in another process (thread injection) 34->57 59 Maps a DLL or memory area into another process 34->59 61 Sample uses process hollowing technique 34->61 process17
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2020-09-04 05:04:16 UTC
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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

Executable exe cddef48cbafa5561f43fd788cfc08215af2c8c4d700bbad363c467e60ad0eda1

(this sample)

  
Delivery method
Distributed via web download

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