MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 516dde3ce16ca9d1b0e2bf90b4eb57c6d00d3870f6cdb811d2ce88d350c46219. 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 2 File information Comments

SHA256 hash: 516dde3ce16ca9d1b0e2bf90b4eb57c6d00d3870f6cdb811d2ce88d350c46219
SHA3-384 hash: ac04a344366ab21ff1995022c34b4c439c7535c457665458632137256930e22181323ce435a25719bd81f0bc99b2b375
SHA1 hash: f58152b683a3a7539c775b1030b32f61d8678345
MD5 hash: 61f91d49c6d9105e30e7681f7ce85d28
humanhash: comet-princess-april-oscar
File name:KBdCl2tBv0P86zE.exe
Download: download sample
Signature NanoCore
File size:671'744 bytes
First seen:2023-05-09 09:35:21 UTC
Last seen:2023-05-13 22:52:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FNj5AyZUFSorC83v9HxCLDF0F2v3//IaQlcEBVNPwEf4S:F3ccsRpAL2F2vecEjphf4S
Threatray 2'391 similar samples on MalwareBazaar
TLSH T15FE4E1B4E1AE49E2E20F8AB0167CBDB21A7271D3EED54578073D6144CFBBB142E4890D
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
192.253.241.112:55420

Intelligence


File Origin
# of uploads :
2
# of downloads :
328
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
KBdCl2tBv0P86zE.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 09:40:14 UTC
Tags:
nanocore rat stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Result
Verdict:
UNKNOWN
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
Adds a directory exclusion to Windows Defender
Detected Nanocore Rat
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
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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: 862075 Sample: KBdCl2tBv0P86zE.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 79 Malicious sample detected (through community Yara rule) 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 Sigma detected: Scheduled temp file as task from temp location 2->83 85 8 other signatures 2->85 8 KBdCl2tBv0P86zE.exe 6 2->8         started        12 yPXUYCucKvTvE.exe 4 2->12         started        14 KBdCl2tBv0P86zE.exe 2->14         started        16 2 other processes 2->16 process3 file4 67 C:\Users\user\AppData\...\yPXUYCucKvTvE.exe, PE32 8->67 dropped 69 C:\...\yPXUYCucKvTvE.exe:Zone.Identifier, ASCII 8->69 dropped 71 C:\Users\user\AppData\Local\Temp\tmpBCE.tmp, XML 8->71 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 8->91 93 Adds a directory exclusion to Windows Defender 8->93 95 Injects a PE file into a foreign processes 8->95 18 KBdCl2tBv0P86zE.exe 1 12 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        31 2 other processes 8->31 97 Multi AV Scanner detection for dropped file 12->97 99 Machine Learning detection for dropped file 12->99 33 2 other processes 12->33 73 C:\Users\user\...\KBdCl2tBv0P86zE.exe.log, ASCII 14->73 dropped 35 3 other processes 14->35 27 powershell.exe 16->27         started        29 schtasks.exe 16->29         started        37 5 other processes 16->37 signatures5 process6 dnsIp7 75 innocentbooii.hopto.org 192.253.241.112, 55420 AS45671-NET-AUWholesaleServicesProviderAU United States 18->75 77 192.168.2.1 unknown unknown 18->77 61 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->61 dropped 63 C:\Users\user\AppData\Roaming\...\run.dat, data 18->63 dropped 65 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->65 dropped 87 Protects its processes via BreakOnTermination flag 18->87 89 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->89 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        43 conhost.exe 23->43         started        45 conhost.exe 25->45         started        47 conhost.exe 27->47         started        49 conhost.exe 29->49         started        51 conhost.exe 33->51         started        55 2 other processes 35->55 53 conhost.exe 37->53         started        file8 signatures9 process10 process11 57 conhost.exe 39->57         started        59 conhost.exe 41->59         started       
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2023-05-09 09:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
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
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
innocentbooii.hopto.org:55420
192.253.241.112:55420
Unpacked files
SH256 hash:
0a590bfddcd0ea67378b3765cfa629374acec7daa641c174bab44c83e8ea395a
MD5 hash:
c7769dfb747f8c69b75aea04ecce60a9
SHA1 hash:
c29ee6cf5cb7bfc7962e9c5a3c41c431e302d126
SH256 hash:
109521e54f478e67eda5cd03720a58e3c852550a6f9ce26fae27d4a7c7f50343
MD5 hash:
4d483282f5a3bc31677ceed75f83a48d
SHA1 hash:
3ca3cffe8da8cc1a851bcdc7762d08b3a08c3380
Detections:
win_nanocore_w0
SH256 hash:
77dc6d765896c8b480bdf3c5c703196419dff6722b1dea2da7f2f7893a1e55b4
MD5 hash:
ec258a99e8d20e6389fd1496cca48b51
SHA1 hash:
c9e096cbc29ad0ba55b1216228f06b23ccb715d9
SH256 hash:
bafb50c2454ce77dd197a87db051f2c2b6ae1bb9ccd71ca42ee1ec50ea793566
MD5 hash:
49a34090263d0c102a10e8c360f036e5
SHA1 hash:
8d45f1752eee5f4ba01002881db2fa8eaadec179
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
SH256 hash:
516dde3ce16ca9d1b0e2bf90b4eb57c6d00d3870f6cdb811d2ce88d350c46219
MD5 hash:
61f91d49c6d9105e30e7681f7ce85d28
SHA1 hash:
f58152b683a3a7539c775b1030b32f61d8678345
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments