MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 330cc7a94a8d40b4588313605d103e425e9a2530bf19e32b6cd61a786a6b8c04. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 330cc7a94a8d40b4588313605d103e425e9a2530bf19e32b6cd61a786a6b8c04
SHA3-384 hash: 26f4d44d05c6b216bb367f8c181c3f26d2182025c15606d8705343e20a336dbcd43490f3e1224745c32f661a96df0f1f
SHA1 hash: 063533557994a9b3c55c3c0d0882f00e95f64a93
MD5 hash: e715b81f1d5a1630d7550066588c85a0
humanhash: illinois-network-salami-fruit
File name:Me jpg jpg jpg jpg.exe
Download: download sample
Signature FormBook
File size:775'168 bytes
First seen:2020-08-20 06:19:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0teeHgqgo6iHgIqpr3q1Z4GDk/Zl1QIhDzF7Z9c5dUyF9H33yuo4xJVVmQWxoq:0FHciHgIqQDk/b1QmdEuyTHlth7Wx
Threatray 2'241 similar samples on MalwareBazaar
TLSH 23F46B6B3340DE03C4EA29F1DC64DB749313AE6D627797AB34C0B5C9B1F21EA49292C5
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: sonic305-1.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.133.40
From: mobili sarl <sabrinahamper3@yahoo.com>
Reply-To: sabrinahamper3@yahoo.com
Subject: Re: CHEMICAL INDUSTRY
Attachment: Products_Pictures_Invoices_pdf.7z (contains "Me jpg jpg jpg jpg.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
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
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Benign windows process drops PE files
Detected FormBook malware
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 272887 Sample: Me jpg jpg jpg jpg.exe Startdate: 21/08/2020 Architecture: WINDOWS Score: 100 53 www.19mosaics.com 2->53 55 ssl.site123.com 2->55 57 caddy-site123-1051b9aceff0154b.elb.us-east-1.amazonaws.com 2->57 65 Malicious sample detected (through community Yara rule) 2->65 67 Yara detected AntiVM_3 2->67 69 Yara detected FormBook 2->69 71 5 other signatures 2->71 11 Me jpg jpg jpg jpg.exe 3 2->11         started        signatures3 process4 signatures5 93 Injects a PE file into a foreign processes 11->93 14 Me jpg jpg jpg jpg.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 47 www.guggenheimre.com 74.208.236.34, 49747, 49749, 49750 ONEANDONE-ASBrauerstrasse48DE United States 17->47 49 www.yofdyk.com 198.187.30.54, 49738, 80 NAMECHEAP-NETUS United States 17->49 51 www.goodplacelotto.com 17->51 41 C:\Users\user\AppData\Local\...\h8ndhj0v1.exe, PE32 17->41 dropped 73 System process connects to network (likely due to code injection or exploit) 17->73 75 Benign windows process drops PE files 17->75 22 msdt.exe 17->22         started        26 h8ndhj0v1.exe 17->26         started        28 h8ndhj0v1.exe 17->28         started        30 4 other processes 17->30 file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\KKMlogrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\KKMlogri.ini, data 22->45 dropped 77 Detected FormBook malware 22->77 79 Tries to steal Mail credentials (via file access) 22->79 81 Tries to harvest and steal browser information (history, passwords, etc) 22->81 91 2 other signatures 22->91 32 cmd.exe 22->32         started        83 Injects a PE file into a foreign processes 26->83 34 h8ndhj0v1.exe 26->34         started        37 h8ndhj0v1.exe 28->37         started        85 Writes to foreign memory regions 30->85 87 Allocates memory in foreign processes 30->87 89 Tries to detect virtualization through RDTSC time measurements 30->89 signatures14 process15 signatures16 39 conhost.exe 32->39         started        59 Modifies the context of a thread in another process (thread injection) 34->59 61 Maps a DLL or memory area into another process 34->61 63 Sample uses process hollowing technique 34->63 process17
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-08-20 02:25:22 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yofdyk.com/hha/
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.

f559c403cfd08f7723839ff8b9fff697

FormBook

Executable exe 330cc7a94a8d40b4588313605d103e425e9a2530bf19e32b6cd61a786a6b8c04

(this sample)

  
Dropped by
MD5 f559c403cfd08f7723839ff8b9fff697
  
Delivery method
Distributed via e-mail attachment

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