MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ca117255905d8b74bf45f5ba4a9821414c2e800fe0b4fbe7617be6ccb3a44b8. 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: 12


Intelligence 12 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ca117255905d8b74bf45f5ba4a9821414c2e800fe0b4fbe7617be6ccb3a44b8
SHA3-384 hash: 3f856ccfb0334369a7258b173cfdfeab40205207fef9f842d01e8c131a7a55d03b91864970d43714c144a4e33da31052
SHA1 hash: f8c38a368a7fadba5acacc4e0583a0de3525f71c
MD5 hash: c760fcb9bf2d4642b834d14c2f5186a5
humanhash: nineteen-cardinal-edward-sad
File name:c760fcb9bf2d4642b834d14c2f5186a5.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:723'456 bytes
First seen:2022-05-31 02:40:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9qGZFFjGUKDrtaZ5rZ45GbrW3vwhzmWwModBSJLUq49R0CnSpJrH5QKFqIT:3GHt9cbr8vwhLwJID49R0CpKFq
Threatray 5'650 similar samples on MalwareBazaar
TLSH T1F6F4E1AD3350729EC967C8768AA81C64EA60B477931BC607D01305ADEE5EAD7CF102F3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.29:8282

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.5.98.29:8282 https://threatfox.abuse.ch/ioc/643552/

Intelligence

File Origin
# of uploads :
1
# of downloads :
358
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
c760fcb9bf2d4642b834d14c2f5186a5.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 02:41:35 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/59ceea0f-0bcd-465a-9067-fc0f03488fea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/275569/
Detection(s):
Win.Packed.Pwsx-9950977-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6295805b6eb3ff326342a124/reports/2cba78ee-4f0e-4916-af08-9828d7a01535/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/68c809e8-d1ab-4eb7-bef5-d1540f6de7bd
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003919
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 636415 Sample: 44U38LRfV3.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 59 joyyce.ddns.net 2->59 65 Snort IDS alert for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 13 other signatures 2->71 8 44U38LRfV3.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\IsTstVm.exe, PE32 8->45 dropped 47 C:\Users\user\...\IsTstVm.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp529B.tmp, XML 8->49 dropped 51 C:\Users\user\AppData\...\44U38LRfV3.exe.log, ASCII 8->51 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 75 Adds a directory exclusion to Windows Defender 8->75 14 44U38LRfV3.exe 1 10 8->14         started        19 powershell.exe 21 8->19         started        21 powershell.exe 24 8->21         started        23 schtasks.exe 1 8->23         started        77 Injects a PE file into a foreign processes 12->77 25 powershell.exe 12->25         started        27 powershell.exe 12->27         started        29 schtasks.exe 12->29         started        31 dhcpmon.exe 12->31         started        signatures6 process7 dnsIp8 61 joyyce.ddns.net 194.5.98.29, 49767, 49772, 49773 DANILENKODE Netherlands 14->61 53 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->53 dropped 55 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 14->55 dropped 57 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->57 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->63 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ca117255905d8b74bf45f5ba4a9821414c2e800fe0b4fbe7617be6ccb3a44b8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 08:20:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
11 of 41 (26.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsqrojkzaxmlos7ul5n2jkmccqkmf2aa7yfu7ptwc67gzsz2is4a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
4f7da7d6fb331a8098d4ce354690ffc64d8f0225307b406e722548109e669d4d
NanoCore
55aea4a4530e0aa4d13d4c68b9027e6a215bc4a4eaa87d2a8bfdc2c443dd3d7c
NanoCore
862965d573744607a29489905cfc8abdd8f187874d476ef4263eee7e5175630a
NanoCore
db7d1bc1cf6fb7fdbc3d0fc2c67c97ed89aa316d6bcb4c4e6ce942c9145612fc
NanoCore
ddb292ac2c57e10703a5358532be2d46e4d5ea94361fd30be3c1e2bfb919621f
NanoCore
+ 5'640 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220531-c6e7hsbeh3/
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
Unexpected DNS network traffic destination
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
joyyce.ddns.net:8282
127.0.0.1:8282
Unpacked files
SH256 hash:
3ca117255905d8b74bf45f5ba4a9821414c2e800fe0b4fbe7617be6ccb3a44b8
MD5 hash:
c760fcb9bf2d4642b834d14c2f5186a5
SHA1 hash:
f8c38a368a7fadba5acacc4e0583a0de3525f71c
Link:
https://www.unpac.me/results/ee4585f7-1570-499e-81d3-feaf41824cdb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3ca117255905d8b74bf45f5ba4a9821414c2e800fe0b4fbe7617be6ccb3a44b8

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/275569/

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