MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4. 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
Neshta
Vendor detections: 13
| SHA256 hash: | e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4 |
|---|---|
| SHA3-384 hash: | 374ed2913a38cb7674603a6d583bbc8cdfaeeea4cfa7b605aeb73ea6a3fe2531f0c58711d1abf32e0cc85b7f2f9e4145 |
| SHA1 hash: | 81d93a74a813e4d2231bf4b06762090d520a5145 |
| MD5 hash: | 7516ac47b4adfef609f6ce4dc1dd809c |
| humanhash: | leopard-michigan-freddie-november |
| File name: | 7516ac47b4adfef609f6ce4dc1dd809c.exe |
| Download: | download sample |
| Signature | Neshta |
| File size: | 562'323 bytes |
| First seen: | 2021-12-16 08:39:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9f4693fc0c511135129493f2161d1e86 (251 x Neshta, 15 x Formbook, 14 x AgentTesla) |
| ssdeep | 12288:zVjbEhStY6jsFnj9yYQf9gyGqVYW9WF9+m8BCLxRz:zVjbWMjsVj9yYQf9txVYWY6BCtRz |
| TLSH | T1C9C4F1D2DD801CB3CC3802B990738E5449AB3D259A7835317BE83BAE69B7907593B717 |
| File icon (PE): |  |
| dhash icon | f0c8c4ecc8c29ef8 (1 x Neshta) |
| Reporter |  abuse_ch |
| Tags: | exe Neshta |
Intelligence
File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
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 Program Files subdirectories
DNS request
Enabling autorun with the shell\open\command registry branches
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Infecting executable files
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
neshta overlay packed
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.
Malware family:
Formbook
Verdict:
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
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
Found malware configuration
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
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
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Neshta
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2021-12-16 03:05:22 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 28 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:neshta family:xloader campaign:ea0r loader persistence rat spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Modifies system executable filetype association
Neshta
Xloader
Unpacked files
SH256 hash:
e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4
MD5 hash:
7516ac47b4adfef609f6ce4dc1dd809c
SHA1 hash:
81d93a74a813e4d2231bf4b06762090d520a5145
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.59
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | MALWARE_Win_Neshta |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Neshta |
| Rule name: | MAL_Neshta_Generic |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
| Rule name: | MAL_Neshta_Generic_RID2DC9 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.