MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69
SHA3-384 hash: 7b70ccd6ba2fb06e3d622f0ac00e050f83eca7d5e5ebb51a9f06c981a2f08148fec7e4e946858775cf7fb6f08deb1176
SHA1 hash: 992651316c65ac2f6e0bd301543bea6c6cc507b1
MD5 hash: 9cb1667d78bac6997eefe37a44397558
humanhash: nevada-paris-zulu-charlie
File name:A1DB2DK7S9.CNT.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:2'192'896 bytes
First seen:2023-02-22 01:50:40 UTC
Last seen:2023-02-22 03:29:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:RUMPXPReQkyrfVQHxsvw2HuSOVyrGYZF0CV8twiylCS9u+cY7KPJ+HlD9IExKMac:3pe9qNQHxfwGUlype8+cY7KUx3
Threatray 842 similar samples on MalwareBazaar
TLSH T1CEA5CFB1E17911BAE4AF0E7B841C774CEAB86F57310CA529C77A7991AD302F620DDD02
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)
File icon (PE):PE icon
dhash icon 2b135151614d252b (1 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
37.0.14.196:28289

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
A1DB2DK7S9.CNT.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 01:53:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/658e6bb2-b87e-4b0b-9c51-572c68227357

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkComet
Create hunting rule
Link:
https://www.capesandbox.com/analysis/368779/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/63f575092fa3ab63401f435a/reports/4caade79-d53a-4388-a152-f49e0cd53a96/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69
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.
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d68472a1-0e3e-42fd-8138-ca7acb9948fb
Result
Threat name:
Nanocore, DarkComet, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180191
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected Nanocore Rat
Disables the Windows task manager (taskmgr)
Drops PE files to the document folder of the user
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sigma detected: Scheduled temp file as task from temp location
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DarkComet
Yara detected Nanocore RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 813022 Sample: A1DB2DK7S9.CNT.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 113 timmy08.ddns.net 2->113 123 Multi AV Scanner detection for domain / URL 2->123 125 Malicious sample detected (through community Yara rule) 2->125 127 Antivirus detection for URL or domain 2->127 129 13 other signatures 2->129 10 A1DB2DK7S9.CNT.exe 7 2->10         started        14 vWYrDTb.exe 3 2->14         started        16 msdcsc.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 file5 101 C:\Users\user\AppData\Roaming\vWYrDTb.exe, PE32 10->101 dropped 103 C:\Users\user\...\vWYrDTb.exe:Zone.Identifier, ASCII 10->103 dropped 105 C:\Users\user\AppData\Local\...\tmp122C.tmp, XML 10->105 dropped 107 C:\Users\user\...\A1DB2DK7S9.CNT.exe.log, ASCII 10->107 dropped 151 Drops PE files to the document folder of the user 10->151 153 Uses schtasks.exe or at.exe to add and modify task schedules 10->153 155 Adds a directory exclusion to Windows Defender 10->155 20 A1DB2DK7S9.CNT.exe 1 5 10->20         started        24 powershell.exe 21 10->24         started        26 powershell.exe 21 10->26         started        36 5 other processes 10->36 157 Multi AV Scanner detection for dropped file 14->157 159 Machine Learning detection for dropped file 14->159 161 Injects a PE file into a foreign processes 16->161 28 schtasks.exe 16->28         started        30 msdcsc.exe 16->30         started        38 2 other processes 16->38 32 schtasks.exe 18->32         started        34 msdcsc.exe 18->34         started        signatures6 process7 file8 95 C:\Users\user\Documents\MSDCSC\msdcsc.exe, PE32 20->95 dropped 97 C:\Users\user\AppData\Local\...\STUB 003.EXE, PE32 20->97 dropped 99 C:\Users\user\...\msdcsc.exe:Zone.Identifier, ASCII 20->99 dropped 131 Creates an undocumented autostart registry key 20->131 133 Writes to foreign memory regions 20->133 135 Allocates memory in foreign processes 20->135 137 Creates a thread in another existing process (thread injection) 20->137 40 msdcsc.exe 20->40         started        43 STUB 003.EXE 20->43         started        47 cmd.exe 20->47         started        59 2 other processes 20->59 49 conhost.exe 24->49         started        51 conhost.exe 26->51         started        53 conhost.exe 28->53         started        55 conhost.exe 32->55         started        57 conhost.exe 36->57         started        signatures9 process10 dnsIp11 139 Multi AV Scanner detection for dropped file 40->139 141 Machine Learning detection for dropped file 40->141 143 Adds a directory exclusion to Windows Defender 40->143 61 msdcsc.exe 40->61         started        65 powershell.exe 40->65         started        67 powershell.exe 40->67         started        69 schtasks.exe 40->69         started        115 timmy08.ddns.net 37.0.14.196, 28289, 39399, 49698 WKD-ASIE Netherlands 43->115 117 timmy06.ddns.net 43->117 109 C:\Program Files (x86)\...\dhcpmon.exe, PE32 43->109 dropped 111 C:\Users\user\AppData\Roaming\...\run.dat, data 43->111 dropped 145 Hides that the sample has been downloaded from the Internet (zone.identifier) 43->145 71 schtasks.exe 43->71         started        73 schtasks.exe 43->73         started        147 Uses cmd line tools excessively to alter registry or file data 47->147 75 conhost.exe 47->75         started        77 attrib.exe 47->77         started        149 Deletes itself after installation 59->149 79 2 other processes 59->79 file12 signatures13 process14 dnsIp15 119 timmy08.ddns.net 61->119 121 192.168.2.1 unknown unknown 61->121 163 Changes security center settings (notifications, updates, antivirus, firewall) 61->163 165 Writes to foreign memory regions 61->165 167 Allocates memory in foreign processes 61->167 169 3 other signatures 61->169 81 STUB 003.EXE 61->81         started        83 notepad.exe 61->83         started        85 conhost.exe 65->85         started        87 conhost.exe 67->87         started        89 conhost.exe 69->89         started        91 conhost.exe 71->91         started        93 conhost.exe 73->93         started        signatures16 process17
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2023-02-21 23:13:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
20 of 25 (80.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4jq5umferzqxxvlhszuaumkzxnkn64o2kkhxs7zakzlsszm3nuq._file
Verdict:
malicious
Similar samples:
04789bb1e63b81997e53786d1f19a6dde477b29b54ad5bcb12aeb9bce3d0f72b
NanoCore
2b733276f28e8a547f7e2197e1be209c13718d5371922855264d1a5511ca66a5
NanoCore
6480e18b692e5d6852be0ef39b265c943ca01a2ba1249efec660d447f1915cb2
NanoCore
c7786e3cb22e7a6794d63cd9858ac55429f2bc4942769bcc94ded89ca4f9f0fa
NanoCore
daf01c5114ac5dd2e6a52d4ce4174e19482ed9f4d0409d734bc3c39a29f48497
NanoCore
f848632cde166bb8288dfc4478c0b76c9026880d8fbb272e9ea91fdbc4ed6b65
NanoCore
+ 832 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet family:nanocore botnet:febeuary 2023 evasion keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230222-b9tzeahd67/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
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
Executes dropped EXE
Loads dropped DLL
Windows security modification
Disables Task Manager via registry modification
Sets file to hidden
Darkcomet
Modifies WinLogon for persistence
Modifies security service
NanoCore
Windows security bypass
Malware Config
C2 Extraction:
timmy08.ddns.net:39399
timmy06.ddns.net:28289
timmy08.ddns.net:28289
Unpacked files
SH256 hash:
b32fd338f589b2a85ed8b528cea497b5699bb5b590df28389856d947503af175
MD5 hash:
6860455142fb632567222437e19c6918
SHA1 hash:
f5fa0309d57e4234ccf7ce00f4c635cfd0940c8f
Detections:
win_darkcomet_a0
Create hunting rule
win_nanocore_w0
Create hunting rule
win_darkcomet_auto
Create hunting rule
win_darkcomet_g0
Create hunting rule
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
18d00d587b5cc38072399510a81e482237bf2189ff8cc0302415a4c004f59d94
MD5 hash:
f9c79e37e3a81834b86ccf81df5a46c3
SHA1 hash:
bce7f366fff2f10fa16a976c370288372fcac6c4
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
e6d99a83c9a9f307f08de2bd237b3d9ad6a104ec8901341943f5d92ebdd48587
MD5 hash:
ae5db5e672d91fb0f29857489c2a8cd3
SHA1 hash:
44067b00925afebb56a2b88489aa94aa25a4453e
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
4a83e1d4a7f9af66afb1ea1011d14dc54c9839df6ff7e9eaa393a65d89f41db1
MD5 hash:
e1b1d04d082900b75f16888bd48de85f
SHA1 hash:
a0403529cb960486321b45d03f438831ac4b2589
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
f11ca8a4ea5b7a7c2b982020fec273ab6246b75ad4c9e45fbd475eb0a1350c17
MD5 hash:
2a0a9f880a5fc4e16971fc0752b0854c
SHA1 hash:
84952dbf095679f3d5da366c6ef99f13136bb4c5
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
163858e08097e556e09976632848fd60ca0b365592f27d3651561d3c517fb3d2
MD5 hash:
eda3c5ed1e1cd7572799d852f326144b
SHA1 hash:
647543617dbadce43c5a6ffaf519aa98e2d878ba
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
SH256 hash:
8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69
MD5 hash:
9cb1667d78bac6997eefe37a44397558
SHA1 hash:
992651316c65ac2f6e0bd301543bea6c6cc507b1
Link:
https://www.unpac.me/results/46721397-1837-4265-979d-794445430ca5/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f130ed18524/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DarkComet
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/368779/

Comments