MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e355ac0da4996011e91f28b11e03c44d54606ae4ceb0bc4f6d0a0edc4b3410ed. 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: | e355ac0da4996011e91f28b11e03c44d54606ae4ceb0bc4f6d0a0edc4b3410ed |
|---|---|
| SHA3-384 hash: | 16fe15bf2de08f9109d49f5c4271f6a9f5ee3648eec583749c3c764d1356ed335b62c5d170264aed4e027ddd4d5cfe28 |
| SHA1 hash: | 05b36949abd35a132488158f38149c7b582c8d3a |
| MD5 hash: | f478c15f5affd8359762b8c6b0e913a4 |
| humanhash: | hawaii-xray-earth-earth |
| File name: | f478c15f5affd8359762b8c6b0e913a4 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 284'661 bytes |
| First seen: | 2021-06-10 18:51:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla) |
| ssdeep | 6144:k923CstoxrFKLP+BFY0GfiqlMthQtpAEQq+6:nyYbyuiqS176 |
| Threatray | 5'729 similar samples on MalwareBazaar |
| TLSH | 1A540166FAF8C873C41606B0CC3BC7B4D67ABA12292415677B752F6FEC783C29816095 |
| Reporter |  zbetcheckin |
| Tags: | exe FormBook Neshta |
Intelligence
File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f478c15f5affd8359762b8c6b0e913a4
Verdict:
Malicious activity
Analysis date:
2021-06-10 18:54:45 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the shell\open\command registry branches
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Infecting executable files
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook Neshta
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Infects executable files (exe, dll, sys, html)
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 is not signed and drops a device driver
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected Neshta
Behaviour
Behavior Graph:
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2021-06-09 03:06:01 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
29 of 29 (100.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'719 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook Payload
Formbook
Modifies system executable filetype association
Malware Config
C2 Extraction:
http://www.personalizedyardsigns.com/xkcp/
Unpacked files
SH256 hash:
e355ac0da4996011e91f28b11e03c44d54606ae4ceb0bc4f6d0a0edc4b3410ed
MD5 hash:
f478c15f5affd8359762b8c6b0e913a4
SHA1 hash:
05b36949abd35a132488158f38149c7b582c8d3a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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