MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b. 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


NanoCore


Vendor detections: 21


Intelligence 21 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
SHA3-384 hash: 8fb9c2ce2497ec76aa4de95adf1d478921929fa082502d076bf2972fd31ddc8e8b09e9acbc5f91e58c6ee563dd6e66d7
SHA1 hash: 445325793a9062a8655007a258e780781a78cf85
MD5 hash: 726efa8d5fb1d31b30946ca592208c84
humanhash: green-alabama-crazy-hotel
File name:WE2R08U5F6NI.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:721'920 bytes
First seen:2025-11-21 11:00:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'097 x AgentTesla, 20'114 x Formbook, 12'356 x SnakeKeylogger)
ssdeep 12288:hSDER0GYVIpU2KDhxfyb/k8P+s3JHae/6I9MCiZuqPyUd:gxVz2eht8c8+CJ6A9MhZVyU
Threatray 1'424 similar samples on MalwareBazaar
TLSH T1DCE40218118ADE03D4A35FB026B5F2F127B9BEADE821E6164ED73DDFB4557002A403A7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
31.169.124.212:8800

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.169.124.212:8800 https://threatfox.abuse.ch/ioc/1647246/

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
NanoCore RoboSki
Details
NanoCore
an LZMA NanoCore component and the embedded TLD listing
NanoCore
DES-CBC and AES-CBC parameters for configuration decryption, plugin(s) and associated information, and verbose configuration settings
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Link:
https://research.acce.ciphertechsolutions.com/results/8ec737d9-9538-410d-a4cf-04b1a2857990/
Malware family:
n/a
ID:
1
File name:
WE2R08U5F6NI.exe
Verdict:
Malicious activity
Analysis date:
2025-11-21 11:01:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8be1ea82-4de3-4854-84ec-ed299e32de27

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38931/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692046594917b5d23db00017
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/69204654f96b58f0dc7eeaa6/reports/217aaa92-6c20-4020-a9ee-213464c65446/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-21T04:46:00Z UTC
Last seen:
2025-11-23T04:15:00Z UTC
Hits:
~100
Detections:
VHO:Trojan-PSW.Win32.Stealer.gen Trojan-PSW.Agensla.TCP.ServerRequest Trojan.Agent.TCP.ServerRequest Trojan.MSIL.Taskun.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen HEUR:Trojan.MSIL.Injector.gen Backdoor.NanoBot.TCP.C&C Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb
Link:
https://opentip.kaspersky.com/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/823f61a9-34ef-4421-ac6e-5842dd7478f1
Result
Threat name:
Nanocore, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1818454
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1818454 Sample: WE2R08U5F6NI.exe Startdate: 21/11/2025 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 7 WE2R08U5F6NI.exe 7 2->7         started        11 ExagzIIYZqtXGu.exe 5 2->11         started        process3 file4 38 C:\Users\user\AppData\...xagzIIYZqtXGu.exe, PE32 7->38 dropped 40 C:\...xagzIIYZqtXGu.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC422.tmp, XML 7->42 dropped 44 C:\Users\user\...\WE2R08U5F6NI.exe.log, ASCII 7->44 dropped 58 Detected Nanocore Rat 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 13 WE2R08U5F6NI.exe 9 7->13         started        18 powershell.exe 23 7->18         started        20 powershell.exe 23 7->20         started        26 2 other processes 7->26 64 Multi AV Scanner detection for dropped file 11->64 66 Injects a PE file into a foreign processes 11->66 22 ExagzIIYZqtXGu.exe 11->22         started        24 schtasks.exe 11->24         started        signatures5 process6 dnsIp7 48 31.169.124.212, 49717, 49720, 49722 LVLT-10753US Bulgaria 13->48 46 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 13->46 dropped 68 Detected Nanocore Rat 13->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->70 72 Loading BitLocker PowerShell Module 18->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
Gathering data
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b/
Verdict:
Malicious
Threat:
Family.NANOCORE
Link:
https://tip.neiki.dev/file/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
Threat name:
ByteCode-MSIL.Trojan.TelegramRAT
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 07:27:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgvdtkunrw2iete7rbv5wba26qpi7xrnuwplzsdtwr5bzs77qffq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
unc_loader_037
Create hunting rule
unc_loader_065
Create hunting rule
unc_loader_078
Create hunting rule
Similar samples:
1ea022e39cb9cf37fbfdc1f6b2b4cd2dff64793c981312963894ecf2d34587a9
NanoCore
339d2c7c00043ef1ffa01080771fc2392d4b693dd822370511201f5bf0f45f28
NanoCore
59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
NanoCore
7159bc1eed5f336a6b4ced415ea0db837dc13f776c09c2ac48848e020d2d8b4c
NanoCore
86bab321000ab08a9bc5c2eb689c46f779fe62763a0a3fb44b3b79dc958b203d
NanoCore
eda128c2be30349721286d162089e9bd3d4d956e06c902d25826a6364c641404
NanoCore
error
NanoCore
f99a35529d49c648c01518eb567398141b2ad7a809f88618c75b6f637cae3926
NanoCore
+ 1'414 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore defense_evasion discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/251121-m4ajcsypcp/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
NanoCore
Nanocore family
Malware Config
C2 Extraction:
31.169.124.212:8800
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3260298f-1b63-4efb-aba8-51f9c0376df9
Unpacked files
SH256 hash:
59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b
MD5 hash:
726efa8d5fb1d31b30946ca592208c84
SHA1 hash:
445325793a9062a8655007a258e780781a78cf85
Link:
https://www.unpac.me/results/14a42f4b-0c86-4231-8570-0396cb18735d/
SH256 hash:
111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4
MD5 hash:
ca046727926a963297a6f802f7f59312
SHA1 hash:
49c2d05a1f1ea2530c2b54c1450b70ab1595175c
Link:
https://www.unpac.me/results/14a42f4b-0c86-4231-8570-0396cb18735d/
SH256 hash:
aa60b9f9b0995deeda9118465a3bb9b53fb85086640cd7dfe49f0b4159800d2a
MD5 hash:
eb91cc6668e2e8a7bceb70429d634df8
SHA1 hash:
d180073f337c4bcde32944d1df5bc9439f7fee1f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/14a42f4b-0c86-4231-8570-0396cb18735d/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/59aa39aa8d8d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/59aa39aa8d8db4824c9f886bdb041af41e8fde2da59ebcc873b47a1ccbff814b

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/38931/

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