MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62
SHA3-384 hash: 6a42b3c9a339badcc57301fafae8fb4b723fb7f30767dff7fb66aee8740512fc050b63030c132ac46fdc53ac541c3f93
SHA1 hash: 158d74e9fa5c678e9f2907de85ba9a89c45db8f6
MD5 hash: 17d5cd7bbd3ad9311f90a3ad053fb4dc
humanhash: dakota-kitten-pennsylvania-fanta
File name:Swift - €168,024.40.exe
Download: download sample
Signature Neshta
Create hunting rule
File size:781'832 bytes
First seen:2024-06-13 10:12:40 UTC
Last seen:2024-06-13 21:57:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:c63yCK2xrOogc3Ep8xsf63dlS1/9kJV1jCzDrjAzNep/Vrb256w0aM//yrNZrK8y:fyC5P3Ep8xsgLQ9+V1j+XAzeNzw0aM/L
Threatray 1 similar samples on MalwareBazaar
TLSH T124F42286B678DF13D77D0BF4143990A21BF1685339B1E90C6DE290CE2E95F468360E6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe Neshta

Intelligence

File Origin
# of uploads :
2
# of downloads :
346
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62.exe
Verdict:
Malicious activity
Analysis date:
2024-06-13 10:25:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/46f1659e-300d-4c8b-894b-fd7c5b5e09bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Nanocore-10025638-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666ac6b6a2bce47be7d87077win7simulatehigh_evasion
Tags:
Encryption Generic Static Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62
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/e62e1cff-8f10-4776-9e22-aa3bb9f0c6c5
Result
Threat name:
Neshta
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1456513
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Neshta
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1456513 Sample: Swift - #U20ac168,024.40.exe Startdate: 13/06/2024 Architecture: WINDOWS Score: 100 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected AntiVM3 2->57 59 10 other signatures 2->59 7 Swift - #U20ac168,024.40.exe 7 2->7         started        11 iDPbITQ.exe 2->11         started        process3 file4 37 C:\Users\user\AppData\Roaming\iDPbITQ.exe, PE32 7->37 dropped 39 C:\Users\user\...\iDPbITQ.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmpF0DE.tmp, XML 7->41 dropped 43 C:\Users\...\Swift - #U20ac168,024.40.exe.log, ASCII 7->43 dropped 61 Adds a directory exclusion to Windows Defender 7->61 63 Injects a PE file into a foreign processes 7->63 13 Swift - #U20ac168,024.40.exe 5 7->13         started        17 powershell.exe 23 7->17         started        19 powershell.exe 23 7->19         started        21 schtasks.exe 1 7->21         started        23 schtasks.exe 11->23         started        25 iDPbITQ.exe 11->25         started        signatures5 process6 file7 45 C:\Windows\svchost.com, PE32 13->45 dropped 47 C:\Users\user\AppData\Local\Temp\chrome.exe, PE32 13->47 dropped 49 C:\ProgramData\...\VC_redist.x64.exe, PE32 13->49 dropped 51 161 other malicious files 13->51 dropped 65 Creates an undocumented autostart registry key 13->65 67 Drops executable to a common third party application directory 13->67 69 Infects executable files (exe, dll, sys, html) 13->69 71 Loading BitLocker PowerShell Module 17->71 27 conhost.exe 17->27         started        29 WmiPrvSE.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        signatures8 process9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-13 10:13:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57ar66zx7mxiochjfgoukq6e4rmwhxzwtzaigifz2hievjo3vrra._file
Verdict:
malicious
Similar samples:
efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62
Neshta
Result
Malware family:
neshta
Create hunting rule
Score:
  10/10
Tags:
family:neshta execution persistence spyware stealer
Link:
https://tria.ge/reports/240613-l84sbsthrf/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Neshta
Unpacked files
SH256 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/70d71614-099f-4731-91e1-2614ccb73cb6/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
29122a60ca95fbb59606ec4b2b99e0f3b13587eea18a8336dd0f228d94e17ec3
MD5 hash:
0f8802789579e33a4da3bf68fdeb1a55
SHA1 hash:
78ffc85a997c0b908466d1a66af7710016c3fe32
Link:
https://www.unpac.me/results/70d71614-099f-4731-91e1-2614ccb73cb6/
SH256 hash:
d60208f3894f4556caae5ed2297c0ef1593a4a66f5af8f3f2e44a8f2896bbf8e
MD5 hash:
2f50aca08ffc461c86e8fb5bbedda142
SHA1 hash:
6fc5319d084c6e13f950c24c78a9cadb7793c638
Detections:
win_neshta_auto
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MAL_Neshta_Generic
Create hunting rule
Link:
https://www.unpac.me/results/70d71614-099f-4731-91e1-2614ccb73cb6/
Parent samples :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 hash:
f3c1b4c0547978fec9886c744bd94c3543051e56cc2b6bc3614f1883beeda4d8
MD5 hash:
ad49a72d306ac1b265c51709b12ef37a
SHA1 hash:
6673346eb520b8f3a8ef78c9eceae45448f03c21
Link:
https://www.unpac.me/results/70d71614-099f-4731-91e1-2614ccb73cb6/
SH256 hash:
efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62
MD5 hash:
17d5cd7bbd3ad9311f90a3ad053fb4dc
SHA1 hash:
158d74e9fa5c678e9f2907de85ba9a89c45db8f6
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/70d71614-099f-4731-91e1-2614ccb73cb6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efc11f7b37fb/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/efc11f7b37fb2e8708e9299d4543c4e45963df369e408320b9d1d04aa5dbac62

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_neshta_auto
Create hunting rule
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.

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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