MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2. 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: 16


Intelligence 16 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
SHA3-384 hash: c6381d3b0c8ff5464f6f5530c4ec962f6f4f6a74f41d16ff3fcb05909f7bea86ff80dba4c74bf2d2cc272ce666e91f37
SHA1 hash: ffc3b09143e7e4322c1effee531329be6d104229
MD5 hash: 8fbcc3f3038677646fb2e8838d48f14a
humanhash: october-zulu-blue-oranges
File name:b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
Download: download sample
Signature Neshta
Create hunting rule
File size:1'276'400 bytes
First seen:2024-08-16 15:12:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 24576:TJ39LyjbJkQFMhmC+6GD9JA+vSoqYAQmZoftn8ln9:THyjtk2MYC5GDfBqoqYFm098n9
Threatray 88 similar samples on MalwareBazaar
TLSH T180459E32F6D19037D072063D9DAAA3B55829BF202F2535DB77E82E4C4E396C22934797
TrID 44.6% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
30.2% (.EXE) Win32 Executable Borland Delphi 5 (451463/56/28)
17.6% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
3.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
0.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
dhash icon 64144f9bbc8e9ea0 (2 x Neshta)
Reporter johnk3r
Tags:2024 exe latam Neshta xred

Intelligence

File Origin
# of uploads :
1
# of downloads :
412
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
Verdict:
Malicious activity
Analysis date:
2024-08-16 15:20:30 UTC
Tags:
dyndns stealer
Link:
https://app.any.run/tasks/450c82d1-7140-4978-aee3-7fca18013c0c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Neshuta-1
Create hunting rule

PUA.Win.Packer.D1s1g-5
Create hunting rule

PUA.Win.Packer.D1s1g-1
Create hunting rule

PUA.Win.Packer.D1s1g-2
Create hunting rule

Win.Virus.Neshta-7101689-0
Create hunting rule

Win.Trojan.Emotet-9850453-0
Create hunting rule

Win.Trojan.Generic-9936029-0
Create hunting rule

Win.Malware.Delf-6899401-0
Create hunting rule

Win.Trojan.Jadtre-5
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66bf6c8eaa5b40be0aa04af9
Tags:
Encryption Generic Infostealer Network Spreading Static Stealth Trojan Neshta Neshta
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm borland_delphi cmd fingerprint hacktool lolbin neshta overlay remote shell32
Link:
https://www.filescan.io/uploads/66bf6c927697d7a44bc55bef/reports/e1056244-8170-4964-8fa6-f212030d1e63/overview
Verdict:
Malicious
Labled as:
Neshta.A
Link:
https://www.hybrid-analysis.com/sample/b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
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:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f144bd1-66e0-4990-9c86-70985fd3eaf9
Result
Threat name:
Neshta, XRed
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1493926
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contain functionality to detect virtual machines
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Drops PE files to the document folder of the user
Drops PE files with a suspicious file extension
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Neshta
Yara detected XRed
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1493926 Sample: LfZoUaTFP7.exe Startdate: 16/08/2024 Architecture: WINDOWS Score: 100 74 freedns.afraid.org 2->74 76 xred.mooo.com 2->76 78 4 other IPs or domains 2->78 90 Suricata IDS alerts for network traffic 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus detection for URL or domain 2->94 98 9 other signatures 2->98 10 LfZoUaTFP7.exe 4 2->10         started        14 EXCEL.EXE 2->14         started        17 svchost.com 2->17         started        signatures3 96 Uses dynamic DNS services 74->96 process4 dnsIp5 64 C:\Windows\svchost.com, PE32 10->64 dropped 66 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 10->66 dropped 68 C:\Users\user\AppData\...\LfZoUaTFP7.exe, PE32 10->68 dropped 70 90 other malicious files 10->70 dropped 110 Creates an undocumented autostart registry key 10->110 112 Drops PE files with a suspicious file extension 10->112 114 Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS) 10->114 116 2 other signatures 10->116 19 LfZoUaTFP7.exe 1 5 10->19         started        86 s-part-0014.t-0009.t-msedge.net 13.107.246.42, 443, 49739, 49740 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->86 22 Synaptics.exe 17->22         started        file6 signatures7 process8 file9 42 C:\Users\user\...\._cache_LfZoUaTFP7.exe, PE32 19->42 dropped 44 C:\ProgramData\Synaptics\Synaptics.exe, PE32 19->44 dropped 46 C:\ProgramData\Synaptics\RCXA110.tmp, PE32 19->46 dropped 24 ._cache_LfZoUaTFP7.exe 3 3 19->24         started        28 Synaptics.exe 26 19->28         started        process10 dnsIp11 48 C:\Users\user\...\._cache_LfZoUaTFP7.exe, PE32 24->48 dropped 50 C:\ProgramData\...\VC_redist.x64.exe, PE32 24->50 dropped 52 C:\ProgramData\...\MpDefenderCoreService.exe, PE32 24->52 dropped 62 69 other malicious files 24->62 dropped 102 Drops executables to the windows directory (C:\Windows) and starts them 24->102 104 Drops executable to a common third party application directory 24->104 106 Infects executable files (exe, dll, sys, html) 24->106 31 svchost.com 1 24->31         started        80 freedns.afraid.org 69.42.215.252, 49711, 80 AWKNET-LLCUS United States 28->80 82 docs.google.com 142.250.184.238, 443, 49707, 49708 GOOGLEUS United States 28->82 84 drive.usercontent.google.com 216.58.212.161, 443, 49714, 49715 GOOGLEUS United States 28->84 54 C:\Users\user\Documents\AIXACVYBSB\~$cache1, PE32 28->54 dropped 56 C:\Users\user\AppData\Local\...\sGZauHWh.exe, PE32 28->56 dropped 58 C:\Users\user\AppData\Local\...\RCXAC3C.tmp, PE32 28->58 dropped 60 C:\Users\user\AppData\Local\...\RCXAB51.tmp, PE32 28->60 dropped 108 Drops PE files to the document folder of the user 28->108 35 WerFault.exe 28->35         started        37 WerFault.exe 28->37         started        file12 signatures13 process14 file15 72 C:\Windows\directx.sys, ASCII 31->72 dropped 88 Sample is not signed and drops a device driver 31->88 39 ._cache_LfZoUaTFP7.exe 31->39         started        signatures16 process17 signatures18 100 Contain functionality to detect virtual machines 39->100
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2/
Threat name:
Win32.Virus.Neshta
Create hunting rule
Status:
Malicious
First seen:
2024-08-16 02:47:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
35 of 36 (97.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wutneehyadi5tixumyrevf3tipkz6z46vlywxg6nutkrs3mbbxra._file
Verdict:
malicious
Similar samples:
1284ee327c41d0da06a2838194d2376ed3d92f0dfec9dac63a52238c8125740f
Neshta
68a27b558777a677920f88a3c34226e7efb0b87c90c9ff9143c992c98848f38f
Neshta
a228df5184a2c1a2864e8e7872c2ab98718a287ffea2d6c2c4dd65ba85752692
Neshta
a8df709495ab9ea938880b1ebe744b33bc163b2fe576ce7e585caef7c846b718
Neshta
a8e9838eef63bfca0af5e1d9704062c36c168d44a06d53c4d0560f5389f2a760
Neshta
d5bb65b35daf83870a25646b84be125f497c655138b58f4ae4cbd249f2997aa0
Neshta
+ 78 additional samples on MalwareBazaar
Result
Malware family:
neshta
Create hunting rule
Score:
  10/10
Tags:
family:neshta discovery persistence spyware stealer
Link:
https://tria.ge/reports/240816-slrmtavgjq/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Detect Neshta payload
Neshta
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4ba63ce3-f636-4262-9cec-9ec5bc52d05d
Unpacked files
SH256 hash:
b9eae90f8e942cc4586d31dc484f29079651ad64c49f90d99f86932630c66af2
MD5 hash:
c0ef4d6237d106bf51c8884d57953f92
SHA1 hash:
f1da7ecbbee32878c19e53c7528c8a7a775418eb
Link:
https://www.unpac.me/results/15b92a63-642a-4792-9477-39efed70b32b/
SH256 hash:
b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2
MD5 hash:
8fbcc3f3038677646fb2e8838d48f14a
SHA1 hash:
ffc3b09143e7e4322c1effee531329be6d104229
Detections:
Neshta
Create hunting rule
win_neshta_g0
Create hunting rule
win_neshta_1
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MAL_Neshta_Generic
Create hunting rule
Link:
https://www.unpac.me/results/15b92a63-642a-4792-9477-39efed70b32b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b526d210f800/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b526d210f800d1d9a2f466224a977343d59f679eaaf16b9bcda4d5196d810de2

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:Borland
Create hunting rule
Author:malware-lu
Rule name:D1S1Gv11betaD1N
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Virus_Neshta_March2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:neshta_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Virus_Neshta_2a5a14c8
Create hunting rule
Author:Elastic Security
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
X
https://x.com/johnk3r/status/1805276506656326073

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::GetDriveTypeA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::FindFirstFileA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA

Comments