MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 23fb8fd0c58657ad6c35b656ff52c87c2f9b1c76fc6ca155dc983e5b45c10945. 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: 10
| SHA256 hash: | 23fb8fd0c58657ad6c35b656ff52c87c2f9b1c76fc6ca155dc983e5b45c10945 |
|---|---|
| SHA3-384 hash: | bb05831e9f30f3bb7f4779981b6710303058f11ab8a8ca90eeea31db3f8fa76abda4b14353de8225f0b4f06561b9cf67 |
| SHA1 hash: | 27955fa33b255ee367dfcfe20ab5f38ea67bcf64 |
| MD5 hash: | a154eb2f2e3d5553dbaeb5ab613b56d0 |
| humanhash: | emma-nuts-robert-utah |
| File name: | POEA Memorandum Circular on delisted Agencies.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 626'176 bytes |
| First seen: | 2022-05-26 05:32:04 UTC |
| Last seen: | 2022-05-26 06:37:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 6144:CxB6sQMRa7rxrNrPY5c00cuMAH1Ox45mpcTqNGX0K/bSH:E6sQMRaXFtqj7GMx45WcTWK0 |
| Threatray | 5'809 similar samples on MalwareBazaar |
| TLSH | T1CBD4E81C3A014A76FC1F85308D011A8DAB661A13F343AD8263AF1FCEFBDA5556F059B6 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | e0d8cec6c6c6cce0 (2 x SnakeKeylogger, 2 x FormBook, 2 x NanoCore) |
| 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 |
|---|---|
| 194.147.140.9:9036 | https://threatfox.abuse.ch/ioc/636235/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
POEA Memorandum Circular on delisted Agencies.exe
Verdict:
No threats detected
Analysis date:
2022-05-26 05:34:32 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Launching a process
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Creating a file in the %temp% directory
DNS request
Sending a custom TCP request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
cmd.exe obfuscated
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.
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
Binary or sample is protected by dotNetProtector
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-05-26 05:33:10 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
61
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 5'799 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Executes dropped EXE
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
shahzad73.ddns.net:9036
shahzad73.casacam.net:9036
shahzad73.casacam.net:9036
Unpacked files
SH256 hash:
23fb8fd0c58657ad6c35b656ff52c87c2f9b1c76fc6ca155dc983e5b45c10945
MD5 hash:
a154eb2f2e3d5553dbaeb5ab613b56d0
SHA1 hash:
27955fa33b255ee367dfcfe20ab5f38ea67bcf64
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | INDICATOR_EXE_Packed_Babel |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Babel |
| Rule name: | INDICATOR_EXE_Packed_Dotfuscator |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Dotfuscator |
| Rule name: | INDICATOR_EXE_Packed_dotNetProtector |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with dotNetProtector |
| Rule name: | INDICATOR_EXE_Packed_Goliath |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Goliath |
| Rule name: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| 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 |
| 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 |
| 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: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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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