MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1acf4f64dbce46e70553494cf02959634528477066cc736e3f49df3bb6253923. 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
| SHA256 hash: | 1acf4f64dbce46e70553494cf02959634528477066cc736e3f49df3bb6253923 |
|---|---|
| SHA3-384 hash: | 46685af677558653988e3f5c9bbc80785425013360797f969ce60da1d73a515f4d33de9639c1233c16f75e0043db5d91 |
| SHA1 hash: | e74ffd286ebd8a00d8dcc9443cea74c43cf66cff |
| MD5 hash: | d2923bb080d16dc6b1e1d95ea54513c9 |
| humanhash: | florida-pizza-victor-bulldog |
| File name: | Our confirmation.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'022'433 bytes |
| First seen: | 2020-08-11 14:06:00 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat) |
| ssdeep | 12288:3Qnk3GDYKGcblqZqZ8DKiiip7BuyM57gdtnSk+Kzw1GS7PjZoQ9P+rlkUFsG/XMA:5AOcZSqZaiip7on74S3KzCGIo0UBXD |
| Threatray | 261 similar samples on MalwareBazaar |
| TLSH | E8251242FB8188B2D4332A32683667917D7C7C205F358B1FF3E46A6DDA311902635FA6 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: franceloc-postfix.filnet.fr
Sending IP: 194.187.193.120
From: Cláudia Diniz <info@wip-hausschutz.de>
Reply-To: hg.virtucycling@gmail.com
Subject: GROUP CONFIRMATION
Attachment: Our confirmation.rar (contains "Our confirmation.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Sending a UDP request
Creating a file
Adding an access-denied ACE
Launching a process
Launching cmd.exe command interpreter
Deleting a recently created file
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Drops PE files with a suspicious file extension
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-08-11 14:07:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 251 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat persistence spyware evasion trojan stealer family:formbook
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
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fex-tracks.com/hx232/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
netwire
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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