MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9e927d928592d04cf654e74982a1d1503e4d5647cfbe4147eb0dca5876d6445. 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: 17


Intelligence 17 IOCs 1 YARA 22 File information Comments

SHA256 hash: e9e927d928592d04cf654e74982a1d1503e4d5647cfbe4147eb0dca5876d6445
SHA3-384 hash: ce213c83cf5201ee2f05582b610d37154132e5e2a3f769c3a20b6379a7adb07075a6983466242ee3b711fffd382938f3
SHA1 hash: 7f67867042587c9fb15542cb53203afa8b332189
MD5 hash: e836a1347005477f4d566251efdf9750
humanhash: oranges-colorado-carolina-london
File name:e836a1347005477f4d566251efdf9750.exe
Download: download sample
Signature NanoCore
File size:5'136'805 bytes
First seen:2025-07-02 20:15:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (864 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 98304:tiY+cg5gRMvTkkefKxKiCkQVSraydjJyrgtVabkGPCDvN5/1JnkzoP80LpH:8+gRwuxKioGNUgI015NJnkUt
TLSH T1713633016DC4DDB1D4B30D318975AB356238B9242B256AAF87D4391AED343D0FB34BEA
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
154.22.5.243:25252

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
154.22.5.243:25252 https://threatfox.abuse.ch/ioc/1552670/

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
26062025_0307_PurchaseOtder.rar
Verdict:
Malicious activity
Analysis date:
2025-06-26 03:14:52 UTC
Tags:
arch-exec auto-reg nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
nanocore vmdetect nukesped lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm crypto fingerprint installer lolbin microsoft_visual_cc msiexec nanocore overlay overlay packed packed rat rat sfx
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1727582 Sample: U1tX8f3dIe.exe Startdate: 02/07/2025 Architecture: WINDOWS Score: 100 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 8 other signatures 2->78 7 U1tX8f3dIe.exe 10 2->7         started        11 cmd.exe 1 2->11         started        13 cmd.exe 2->13         started        15 dnshost.exe 4 2->15         started        process3 file4 60 C:\...\TT copy confirmation slip details.exe, PE32+ 7->60 dropped 62 C:\Users\user\AppData\Local\...\SbieDll.dll, PE32+ 7->62 dropped 64 C:\Users\user\AppData\Local\...\concrt141.dll, data 7->64 dropped 90 Detected Nanocore Rat 7->90 92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->92 17 TT copy confirmation slip details.exe 1 119 7->17         started        21 TT copy confirmation slip details.exe 1 11->21         started        23 conhost.exe 11->23         started        25 TT copy confirmation slip details.exe 1 13->25         started        27 conhost.exe 13->27         started        29 conhost.exe 15->29         started        signatures5 process6 file7 52 C:\Users\user\...\wctF86A.tmp, PE32 17->52 dropped 54 C:\Users\user\...\wct3D66.tmp, PE32 17->54 dropped 56 C:\Users\user\...\tmp7B16.tmp, PE32 17->56 dropped 58 6 other malicious files 17->58 dropped 80 Detected Nanocore Rat 17->80 82 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->82 84 Writes to foreign memory regions 17->84 31 InstallUtil.exe 1 11 17->31         started        36 conhost.exe 17->36         started        38 AddInProcess32.exe 17->38         started        40 AddInProcess32.exe 3 21->40         started        42 conhost.exe 21->42         started        86 Allocates memory in foreign processes 25->86 88 Injects a PE file into a foreign processes 25->88 44 AddInProcess32.exe 25->44         started        46 conhost.exe 25->46         started        signatures8 process9 dnsIp10 66 154.22.5.243, 25252, 49719, 49722 COGENT-174US United States 31->66 48 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 31->48 dropped 50 C:\Program Files (x86)\DNS Host\dnshost.exe, PE32 31->50 dropped 68 Detected Nanocore Rat 31->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 31->70 file11 signatures12
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.NanoCoreClient
Status:
Malicious
First seen:
2025-06-25 05:11:45 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore discovery keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
NanoCore
Nanocore family
Malware Config
C2 Extraction:
154.22.5.243:25252
127.0.0.1:25252
Verdict:
Malicious
Tags:
NanoCore
YARA:
n/a
Unpacked files
SH256 hash:
e9e927d928592d04cf654e74982a1d1503e4d5647cfbe4147eb0dca5876d6445
MD5 hash:
e836a1347005477f4d566251efdf9750
SHA1 hash:
7f67867042587c9fb15542cb53203afa8b332189
SH256 hash:
5a858ee15be33744767b76a7fbd1d51b08c102047c6af0fa7ad6ea4c9c5defc2
MD5 hash:
fff8c00e584e57ce771a321b1ba7116b
SHA1 hash:
4647117884c659da7ddfa160952cdcc5efda4127
SH256 hash:
7e177a6989c6d48dc2e49677699602e0c24d5857ee09efbd00f167683534725b
MD5 hash:
cd1bfefe2d98c005624c8843ec7e2620
SHA1 hash:
54644b5461aeab5b2113a3d7bd6cbbbf4c0cbfa0
SH256 hash:
fc011ed2285a18e039e2fed4996d7e112f41b985b112c25fb5152ee638b01e64
MD5 hash:
4c349bc47c9f763649bf1732ce890783
SHA1 hash:
a726450f616cf55fee1a23a3ab91e9809d9e9c2b
Detections:
win_nanocore_w0 SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24 Nanocore_RAT_Gen_2 Nanocore_RAT_Feb18_1 Nanocore MALWARE_Win_NanoCore
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_NanoCore
Author:abuse.ch
Rule name:dcrat_
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth (Nextron Systems)
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_Nanocore_d8c4e3c5
Author:Elastic Security
Rule name:win_nanocore_w0
Author:Kevin Breen <kevin@techanarchy.net>

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments