MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717. 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: 18
| SHA256 hash: | 3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717 |
|---|---|
| SHA3-384 hash: | 9878a2f3cf68273c7b617376a9c7e92e423579d93ccab2247dac99ea6d4daf01c15e70409f475392bc017ddb7f02e1ac |
| SHA1 hash: | b59b66a3af3a9920b7de22975997a1ec1e4d5528 |
| MD5 hash: | 01e7e40055d24780359493decf90ac21 |
| humanhash: | wyoming-triple-batman-triple |
| File name: | new policy.scr.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 2'360'320 bytes |
| First seen: | 2024-08-31 07:50:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:RGvPRpFuolzFPJ+l3Drhea534ESvFpLa35sfp+ee: |
| Threatray | 1'274 similar samples on MalwareBazaar |
| TLSH | T170B57DE4D46A48C1F8179DB05C3BBAC20E3237F3C9D50468272D7A48CFBB9997549E4A |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 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 |
| File icon (PE): |  |
| dhash icon | e4f4ccccccd4e8f0 (9 x NanoCore, 2 x RemcosRAT, 1 x zgRAT) |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 78.159.112.29:65535 | https://threatfox.abuse.ch/ioc/1317649/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
508
Origin country :
NLVendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
new policy.scr.exe
Verdict:
Malicious activity
Analysis date:
2024-08-31 07:53:00 UTC
Tags:
netreactor nanocore rat remote xworm
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
Execution Generic Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %AppData% directory
Restart of the analyzed sample
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
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:
XWorm
Verdict:
Malicious
Result
Threat name:
Nanocore, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: NanoCore
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-08-31 07:51:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 1'264 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:nanocore family:xworm discovery evasion keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect Xworm Payload
NanoCore
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Malware Config
C2 Extraction:
airlineagancy.casacam.net:7076
jacksonnnn233.theworkpc.com:65535
jacksonnnn233.theworkpc.com:65535
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c6718b3ad41bd79e8431628505ee585df7ef5e685b60dff392258ab1daee4ebe
MD5 hash:
53b3bbb60fad22a524a5ff10f1992465
SHA1 hash:
bd9fd048ff51c76774fd77d2396a1b5edba5b908
SH256 hash:
62138a28be6583227c33e709d31064416b7009a8a66830229aa509832706fe42
MD5 hash:
85992141e0054144793b0767444aa3e0
SHA1 hash:
8db16cf0596aa7b0794bf38397e8876f9cd7ac4d
Detections:
XWorm
win_xworm_w0
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
d8dc213a39e0d3a5af5d1a9c4fe72fc0ec3a6cd8e7abe11724c5cc27e4f99dd4
MD5 hash:
ce87646a84502f753fd92cac6528c648
SHA1 hash:
1fdce7bb654cc012c3ccd31ec398685fb505d341
Detections:
win_nanocore_w0
Nanocore_RAT_Feb18_1
Nanocore_RAT_Gen_2
SUSP_OBF_NET_Reactor_Indicators_Jan24
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Nanocore
SH256 hash:
60e76d64880b452fd3c104986fb62b7ebf7bb2ea024a6156ef2d3a4a20897f35
MD5 hash:
7a2eae67473099b5e4a95cbd62518227
SHA1 hash:
0e048abbff4c3cea8c3bbb2f2cfaba4a657ff7d9
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
3a5134cc11c7c47b7268e7bf6bf1556c5ff5044af54b7931cae652bfd8d83717
MD5 hash:
01e7e40055d24780359493decf90ac21
SHA1 hash:
b59b66a3af3a9920b7de22975997a1ec1e4d5528
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
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 |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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