MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8ec3b964de755ffc8988a41f639284b39cd13ef066a6af135995a3045b2ca4e. 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: 8
| SHA256 hash: | b8ec3b964de755ffc8988a41f639284b39cd13ef066a6af135995a3045b2ca4e |
|---|---|
| SHA3-384 hash: | 27abdc2480abd1d018f0e4bb8f7d6bc389f965a0491fff3d56367e68baf07ae446e138ad660dd00f9ef01de3322240e9 |
| SHA1 hash: | 4de9c05360d6f7fad66bd6b7b14634fa805fa714 |
| MD5 hash: | bf08753c542580f5a5688661bde40ae4 |
| humanhash: | wolfram-earth-zulu-quebec |
| File name: | bf08753c542580f5a5688661bde40ae4.exe |
| Download: | download sample |
| Signature | Neshta |
| File size: | 686'080 bytes |
| First seen: | 2021-07-13 13:23:34 UTC |
| Last seen: | 2021-07-13 14:01:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 12288:weEDrQ47uELrXJy2Mda/Rb/kOhCQBMNqjASyboICllnh+o3tWGnJTAAo79RU4:wLDE1yr5y2Mda/BkOhCQBMNq0aI6ln4F |
| Threatray | 84 similar samples on MalwareBazaar |
| TLSH | T148E42310F2A39E6CF4578E32A35B0560549E64DF660F9E27364C4B790F12FCA1E8B5B2 |
| Reporter |  abuse_ch |
| Tags: | exe Neshta |
Intelligence
File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bf08753c542580f5a5688661bde40ae4.exe
Verdict:
Malicious activity
Analysis date:
2021-07-13 13:30:40 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Neshta
Result
Verdict:
UNKNOWN
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:
Neshta
Verdict:
Malicious
Result
Threat name:
Remcos Neshta
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Creates an undocumented autostart registry key
Detected Remcos RAT
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
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)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Neshta
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-07-13 13:24:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
117
AV detection:
18 of 46 (39.13%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 74 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
persistence spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Modifies system executable filetype association
Unpacked files
SH256 hash:
6717b89aeeda0e8c52baac53629b3af88e616201b576506c92959aa33a4b5c2a
MD5 hash:
6d69c825e960844e39bbb0f602254820
SHA1 hash:
bf2c98421b73447da964a8346e3446a515dd3dd2
Detections:
win_neshta_auto
SH256 hash:
9beff345d4cb9b33ab9fd50a9a0b5ffb54d57f9600bb78b0e7aa970b79f369ca
MD5 hash:
95ed7eb89c2852f4447ceeea2987a7f9
SHA1 hash:
8c8ead688864e2593cfb45bad3a60c3fc277cea0
SH256 hash:
e2dcd389a1dd080e68a5f6008e96fd7b735bd2dcc685954103939ca1d3d8128e
MD5 hash:
6d23487a1fc71e6f7eeb8308886c800f
SHA1 hash:
570b5e566c36886454405a4cc1c0b9e42acc04f4
SH256 hash:
b8ec3b964de755ffc8988a41f639284b39cd13ef066a6af135995a3045b2ca4e
MD5 hash:
bf08753c542580f5a5688661bde40ae4
SHA1 hash:
4de9c05360d6f7fad66bd6b7b14634fa805fa714
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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: | buerloader_halo_generated |
|---|---|
| Author: | Halogen Generated Rule, Corsin Camichel |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | MAL_Neshta_Generic |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Neshta malware |
| Reference: | Internal Research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_neshta_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
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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