MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1d3537a78980a2e078642e4e0370f71533154d0212ab9984219b78b6191e3c09. 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
| SHA256 hash: | 1d3537a78980a2e078642e4e0370f71533154d0212ab9984219b78b6191e3c09 |
|---|---|
| SHA3-384 hash: | 2a9f0bb26367d7b063634dd4e923116d996fcc33126d46dacad38175f19dc376ba3f33311af6b88466626d1d5b9686e0 |
| SHA1 hash: | b272deb21ab8c04d101259ddcb477498a572ef09 |
| MD5 hash: | 4e6b2990511ec813243e675ec932151a |
| humanhash: | whiskey-victor-sodium-fish |
| File name: | Reservation -30% Off.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 339'563 bytes |
| First seen: | 2023-08-02 12:11:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:/Ya6BuYHHIE07TKxGwly/yhs4N2PKMFBIa7NkaMQVjNI9:/YXuOHx07TKxHmDect6a7uNQfW |
| Threatray | 1'763 similar samples on MalwareBazaar |
| TLSH | T1547413443FEC4029EDE605712FB60E929FADA9325028C74F73515ADDBA32681D90FB63 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | c8484a4c5c5a0088 (1 x RemcosRAT, 1 x AveMariaRAT, 1 x NanoCore) |
| Reporter |  pr0xylife |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
1
# of downloads :
371
Origin country :
USVendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
d9d55bb4-235c-41a1-96f2-59dd92910549
Verdict:
Malicious activity
Analysis date:
2023-08-02 12:14:08 UTC
Tags:
nanocore rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
NanoCoreRAT
Verdict:
Malicious
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-02 12:12:05 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'753 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
sicoslanderfamilydog.gleeze.com:4984
Unpacked files
SH256 hash:
cdcef78aa5e40657a9e425d5617f8a6b93d3fd6258841202421b23fc9528423f
MD5 hash:
96e9bd92d1802d4f5ac3c852f832fe09
SHA1 hash:
4e1d7bd1c709267d851da54443a9859adcb746a6
SH256 hash:
1d3537a78980a2e078642e4e0370f71533154d0212ab9984219b78b6191e3c09
MD5 hash:
4e6b2990511ec813243e675ec932151a
SHA1 hash:
b272deb21ab8c04d101259ddcb477498a572ef09
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: | ach_NanoCore |
|---|---|
| Author: | abuse.ch |
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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_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: | pe_imphash |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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