MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f70d82d56a3ddf30730e0ccd8f0e25ec7c6e7489b1ec4d5cc680e91508f239. 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 15 File information Comments

SHA256 hash: c1f70d82d56a3ddf30730e0ccd8f0e25ec7c6e7489b1ec4d5cc680e91508f239
SHA3-384 hash: c6c2514159ee4acd99573d99c0d05dbc4d73c886f7ca7315604581413daa8a73a1989a49c72fb343070ce5f238fdab07
SHA1 hash: f736f87d53186f3debd15cf576e4004153562323
MD5 hash: 50b2770410cbbe59f5dcb668b15af806
humanhash: two-cola-beer-charlie
File name:TL-2023-05-02 (INV) 1100216646 PLpage-0001.ex.exe
Download: download sample
Signature NanoCore
File size:4'133'376 bytes
First seen:2023-05-26 05:05:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:nICrQ2mOQPFvmmQ/a8EtJSz8Xjajfuv7AJjqQ6tqdNs4VFO:
Threatray 24 similar samples on MalwareBazaar
TLSH T1B816BE7306B3FDF8E3A62A77C84139450E8C6CABA33DB254AC4935E62DB55908F465F0
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 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.147.140.133:1092

Intelligence


File Origin
# of uploads :
1
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
TL-2023-05-02 (INV) 1100216646 PLpage-0001.ex.exe
Verdict:
Malicious activity
Analysis date:
2023-05-26 05:07:26 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
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
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
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 signatures2 2 Behavior Graph ID: 875982 Sample: TL-2023-05-02_(INV)_1100216... Startdate: 26/05/2023 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 12 other signatures 2->73 8 TL-2023-05-02_(INV)_1100216646_PLpage-0001.ex.exe 1 7 2->8         started        12 Jlbrwaazxhb.exe 4 2->12         started        14 Jlbrwaazxhb.exe 2->14         started        16 3 other processes 2->16 process3 file4 57 C:\Users\user\AppData\...\Jlbrwaazxhb.exe, PE32 8->57 dropped 59 C:\Users\...\Jlbrwaazxhb.exe:Zone.Identifier, ASCII 8->59 dropped 61 TL-2023-05-02_(INV...age-0001.ex.exe.log, ASCII 8->61 dropped 79 Encrypted powershell cmdline option found 8->79 81 Writes to foreign memory regions 8->81 83 Injects a PE file into a foreign processes 8->83 18 InstallUtil.exe 1 12 8->18         started        23 powershell.exe 15 8->23         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 25 powershell.exe 12->25         started        27 InstallUtil.exe 12->27         started        29 powershell.exe 14->29         started        31 conhost.exe 16->31         started        33 conhost.exe 16->33         started        35 conhost.exe 16->35         started        signatures5 process6 dnsIp7 63 1092.hopto.org 194.147.140.133, 1092, 49695, 49696 PTPEU unknown 18->63 65 192.168.2.1 unknown unknown 18->65 51 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->51 dropped 53 C:\Users\user\AppData\Roaming\...\run.dat, data 18->53 dropped 55 C:\Users\user\AppData\Local\...\tmp889A.tmp, XML 18->55 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 18->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->77 37 schtasks.exe 1 18->37         started        39 schtasks.exe 1 18->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 29->45         started        file8 signatures9 process10 process11 47 conhost.exe 37->47         started        49 conhost.exe 39->49         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-05-26 05:06:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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 computer location settings
NanoCore
Malware Config
C2 Extraction:
1092.hopto.org:1092
194.147.140.133:1092
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
a903827989eda0df29da267f87dd260404d54b5e2444f94e0afc5e7e14aa57b4
MD5 hash:
b9c28566640378e847fe4d62005653e7
SHA1 hash:
56d17accd7670657e28e24e5669bf3e7950c1b23
Detections:
win_nanocore_w0
SH256 hash:
268130628f06e94f2bcd3601c6ca43ed5e2c390a23f145830d4f0710d121626a
MD5 hash:
715c96e2a162a57822ee1fab46397aa4
SHA1 hash:
2bc2651f56e25bbfbb3c5086a29f3ff092e3c65d
SH256 hash:
c1f70d82d56a3ddf30730e0ccd8f0e25ec7c6e7489b1ec4d5cc680e91508f239
MD5 hash:
50b2770410cbbe59f5dcb668b15af806
SHA1 hash:
f736f87d53186f3debd15cf576e4004153562323
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

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