MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd12c86f9ba2023ce5f1325c2fe9ed5f01fc0930a539ae81674a701052ab4c3b. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash: dd12c86f9ba2023ce5f1325c2fe9ed5f01fc0930a539ae81674a701052ab4c3b
SHA3-384 hash: f11e6b8652bed7a337ae14e6ab5490f2d321756dd9af07ee7673e9a4a84623419ce3bfc0f615b96c6e895a31de0ce609
SHA1 hash: 7455cc9d8b6a95a0eea3dc6bda91c36f0292dda4
MD5 hash: 23796402c3618844fb5683d12508e488
humanhash: kansas-autumn-lemon-seventeen
File name:dd12c86f9ba2023ce5f1325c2fe9ed5f01fc0930a539a.exe
Download: download sample
Signature NanoCore
File size:20'317'814 bytes
First seen:2023-05-10 15:05:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:S8SnG5jbNCUZLHVaaj7uTPUn0S6M8RLO4VsypU:SjnG5lCEGTBM8RLTz
Threatray 2'217 similar samples on MalwareBazaar
TLSH T1A127C03EB7E58E62D7691B30C03272142334CC9640D6E31B999D7EEAD8913C5E149DAF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon aa335975597963a6 (4 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
3.145.201.105:3436

Intelligence


File Origin
# of uploads :
1
# of downloads :
377
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
dd12c86f9ba2023ce5f1325c2fe9ed5f01fc0930a539a.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 15:07:02 UTC
Tags:
nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated overlay packed packed
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 863197 Sample: dd12c86f9ba2023ce5f1325c2fe... Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 65 kala007.duckdns.org 2->65 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Found malware configuration 2->75 77 11 other signatures 2->77 8 dd12c86f9ba2023ce5f1325c2fe9ed5f01fc0930a539a.exe 4 2->8         started        12 easeus.exe 3 2->12         started        14 easeus.exe 2 2->14         started        signatures3 process4 file5 61 dd12c86f9ba2023ce5...fc0930a539a.exe.log, ASCII 8->61 dropped 79 Writes to foreign memory regions 8->79 81 Allocates memory in foreign processes 8->81 83 Injects a PE file into a foreign processes 8->83 16 RegAsm.exe 10 8->16         started        21 cmd.exe 3 8->21         started        23 cmd.exe 2 8->23         started        25 cmd.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 27 cmd.exe 1 12->27         started        29 cmd.exe 1 12->29         started        33 2 other processes 12->33 31 cmd.exe 14->31         started        35 3 other processes 14->35 signatures6 process7 dnsIp8 63 kala007.duckdns.org 3.145.201.105, 3436, 49679, 49684 AMAZON-02US United States 16->63 55 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 16->55 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->67 57 C:\Users\user\AppData\Roaming\...\easeus.exe, PE32 21->57 dropped 59 C:\Users\user\...\easeus.exe:Zone.Identifier, ASCII 21->59 dropped 37 conhost.exe 21->37         started        69 Uses schtasks.exe or at.exe to add and modify task schedules 23->69 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 schtasks.exe 1 25->43         started        49 2 other processes 27->49 45 conhost.exe 29->45         started        51 2 other processes 31->51 47 conhost.exe 33->47         started        53 2 other processes 35->53 file9 signatures10 process11
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2023-05-10 15:06:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
kala007.duckdns.org:3436
kala1.duckdns.org:3436
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: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 (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: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.

Comments