MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86016f9f3443fd0a79162579f2d359b1150e84182f9e3c162a2fb4932ccc2e23. 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


Intelligence 18 IOCs YARA 12 File information Comments

SHA256 hash: 86016f9f3443fd0a79162579f2d359b1150e84182f9e3c162a2fb4932ccc2e23
SHA3-384 hash: 826b9a568d5ce72ab7f080c5fe1fc65ccebfa39cf843c1735e67a19e58740cf00b5dccb7501c212ca19f4cbce26bfe17
SHA1 hash: 488faf72df7a8fd8e47e71b98d1149b0f4e6950b
MD5 hash: adb719d2a3c51a77ab1ed355f91d3ca2
humanhash: winter-wyoming-burger-south
File name:adb719d2a3c51a77ab1ed355f91d3ca2.exe
Download: download sample
Signature NanoCore
File size:215'040 bytes
First seen:2023-05-29 11:45:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:gLV6Bta6dtJmakIM5sx/r1+Fw1VRQRnuDoPvEPWNSnswy:gLV6BtpmkHVYFSgRnrvEuNSW
Threatray 1'719 similar samples on MalwareBazaar
TLSH T10E24DF1A3BA8892FE2DE867D702212568779C2E3A8C3F3DF18D454B64F667E506071D3
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)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
192.169.69.26:61715

Intelligence


File Origin
# of uploads :
1
# of downloads :
387
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
adb719d2a3c51a77ab1ed355f91d3ca2.exe
Verdict:
Malicious activity
Analysis date:
2023-05-29 11:47:47 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:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin nanocore obfuscated packed rat schtasks.exe
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877425 Sample: j2RMII0d3S.exe Startdate: 29/05/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 15 other signatures 2->46 7 j2RMII0d3S.exe 1 14 2->7         started        12 j2RMII0d3S.exe 3 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 dnsIp4 36 december2n.duckdns.org 192.169.69.26, 49700, 49701, 49702 WOWUS United States 7->36 38 december2nd.ddns.net 212.193.30.230, 61715 SPD-NETTR Russian Federation 7->38 26 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp8D81.tmp, XML 7->30 dropped 32 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 7->32 dropped 48 Protects its processes via BreakOnTermination flag 7->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 7->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->52 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        34 C:\Users\user\AppData\...\j2RMII0d3S.exe.log, ASCII 12->34 dropped file5 signatures6 process7 process8 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2023-05-27 04:07:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
december2n.duckdns.org:61715
december2nd.ddns.net:61715
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: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