MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99. 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


Nightspire


Vendor detections: 14


Intelligence 14 IOCs YARA 25 File information Comments
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SHA256 hash: 2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
SHA3-384 hash: a1e9a98d4965a7d5e0713c157e102699e3cb598953b83ac31f3206adfdab9cefce78e5f8955965e8b0f84d9376938a28
SHA1 hash: f778f6f9c5abb625b0083457a8d7b094464bec5b
MD5 hash: d0a8b47c099440abaec8abfd7c12ac93
humanhash: nineteen-zulu-stream-princess
File name:2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
Download: download sample
Signature Nightspire
Create hunting rule
File size:2'987'520 bytes
First seen:2026-01-31 08:53:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (249 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep 49152:O2VXRay3Yum9DRKw2SFFyi8LB1KxK9Kx4w5E:ONHL/CGDE
TLSH T19CD54C17FC9669E6C0AAF23089629152BB617C487B3163D32B90FB382F737D059B9714
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter JAMESWT_WT
Tags:exe NightSpire

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
NightSpire
Details
NightSpire
a ransom note, an RSA public key, a file extension
Link:
https://research.acce.ciphertechsolutions.com/results/16845e9b-5d4e-4d6f-bea4-b6f5b8321ada/
Malware family:
n/a
ID:
1
File name:
en.exe
Verdict:
Malicious activity
Analysis date:
2025-07-24 14:52:05 UTC
Tags:
nightspire ransomware golang stealer
Link:
https://app.any.run/tasks/98e11648-09e8-4601-a30f-2513ec1abb65

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/50976/
Detection(s):
SecuriteInfo.com.Trojan.Encoder.42649.29394.17696.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697dc302848d0f834c8c1420
Tags:
ransomware virus blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypto filecoder golang lockfile nightspire promptlock ransomware unsafe
Link:
https://www.filescan.io/uploads/697dc2fc2ffccda09764d0c6/reports/3617ea19-79cd-4e1d-8554-649d235d308d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-07-18T12:11:00Z UTC
Last seen:
2025-10-14T07:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b41fa2aa-68f0-4f24-a9de-1cc619a89bd6
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99/
Verdict:
Malicious
Threat:
Trojan-Ransom.Win32.Agent
Link:
https://tip.neiki.dev/file/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
Threat name:
Win64.Ransomware.Nightspire
Create hunting rule
Status:
Suspicious
First seen:
2025-07-19 08:41:41 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fq7yrcoj6xlwkyzk3enuzqviklcuqrpbipn5fnudlg3pttp5r6mq._file
Verdict:
malicious
Label(s):
nightspireransomware
Create hunting rule
Similar samples:
error
Nightspire
Result
Malware family:
nightspire
Create hunting rule
Score:
  10/10
Tags:
family:nightspire credential_access discovery ransomware spyware stealer
Link:
https://tria.ge/reports/260131-ktedfsew5d/
Behaviour
Browser Information Discovery
Drops desktop.ini file(s)
Credentials from Password Stores: Windows Credential Manager
Drops startup file
Reads user/profile data of web browsers
Renames multiple (994) files with added filename extension
NightSpire
Nightspire family
Unpacked files
SH256 hash:
2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99
MD5 hash:
d0a8b47c099440abaec8abfd7c12ac93
SHA1 hash:
f778f6f9c5abb625b0083457a8d7b094464bec5b
Link:
https://www.unpac.me/results/d2bb87e6-68cf-4454-99cc-121a0b3d2e01/
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/2c3f8889c9f5d765632ad91b4cc2a852c54845e143dbd2b68359b6f9cdfd8f99

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/50976/

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