MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ad6f24871ddeedb5dd1fd49abec8faae3a0809b3211c7ecce5fbce40dd28a75. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 6ad6f24871ddeedb5dd1fd49abec8faae3a0809b3211c7ecce5fbce40dd28a75
SHA3-384 hash: 55aa84bf835528d1117ebb1d713db5b8ed981d29f422e118591b023ee41e6c8d33144f5eb8db0e7ca7de92c616d7a2c4
SHA1 hash: 3606ac6e3d8ee7087e8a92da44bdbf6169794bb0
MD5 hash: e6a304a190393045871a1144609dc414
humanhash: november-harry-friend-utah
File name:e6a304a190393045871a1144609dc414.exe
Download: download sample
Signature NanoCore
File size:12'288 bytes
First seen:2021-10-04 10:21:07 UTC
Last seen:2021-10-04 11:14:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 192:pLU/9thAs3VkI0Z2tQN6WcoEuQqMT0U2/JT0JN7Kaemj:pLU/9tis3VkI0Z2iN6NBpnT0UUKN7KO
Threatray 2'965 similar samples on MalwareBazaar
TLSH T1D142F95273D4DBA5E8669A75FC3356000635F33BD8A39F2E14CD503EADA360542E2B3A
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e6a304a190393045871a1144609dc414.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 10:25:09 UTC
Tags:
rat nanocore

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

Behaviour
Launching a service
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Launching a process
Creating a file in the %temp% directory
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
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 dnsIp2 2 Behavior Graph ID: 496228 Sample: NuKV3QA0Ju.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 61 cloudhost.myfirewall.org 2->61 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 6 other signatures 2->75 9 NuKV3QA0Ju.exe 15 6 2->9         started        14 dhcpmon.exe 2->14         started        16 dhcpmon.exe 14 6 2->16         started        18 NuKV3QA0Ju.exe 3 2->18         started        signatures3 process4 dnsIp5 67 store2.gofile.io 31.14.69.10, 443, 49778, 49808 LINKER-ASFR Virgin Islands (BRITISH) 9->67 55 C:\Users\user\AppData\...55uKV3QA0Ju.exe, PE32 9->55 dropped 57 C:\Users\...57uKV3QA0Ju.exe:Zone.Identifier, ASCII 9->57 dropped 83 Writes to foreign memory regions 9->83 85 Allocates memory in foreign processes 9->85 87 Injects a PE file into a foreign processes 9->87 20 NuKV3QA0Ju.exe 1 12 9->20         started        25 conhost.exe 9->25         started        27 conhost.exe 14->27         started        29 dhcpmon.exe 14->29         started        59 C:\Users\user\AppData\Local\...\dhcpmon.exe, PE32 16->59 dropped 31 dhcpmon.exe 16->31         started        33 conhost.exe 16->33         started        35 conhost.exe 18->35         started        37 NuKV3QA0Ju.exe 18->37         started        file6 signatures7 process8 dnsIp9 63 cloudhost.myfirewall.org 91.121.250.249, 49779, 49782, 49783 OVHFR France 20->63 65 192.168.2.1 unknown unknown 20->65 47 C:\Program Files (x86)\...\dhcpmon.exe, PE32 20->47 dropped 49 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 20->49 dropped 51 C:\Users\user\AppData\Local\...\tmp3135.tmp, XML 20->51 dropped 53 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 20->53 dropped 77 Multi AV Scanner detection for dropped file 20->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 20->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->81 39 schtasks.exe 1 20->39         started        41 schtasks.exe 1 20->41         started        file10 signatures11 process12 process13 43 conhost.exe 39->43         started        45 conhost.exe 41->45         started       
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-10-04 10:22:11 UTC
AV detection:
15 of 27 (55.56%)
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)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
cloudhost.myfirewall.org:5654
Unpacked files
SH256 hash:
6ad6f24871ddeedb5dd1fd49abec8faae3a0809b3211c7ecce5fbce40dd28a75
MD5 hash:
e6a304a190393045871a1144609dc414
SHA1 hash:
3606ac6e3d8ee7087e8a92da44bdbf6169794bb0
Malware family:
NanoCore
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

Web download

NanoCore

Executable exe 6ad6f24871ddeedb5dd1fd49abec8faae3a0809b3211c7ecce5fbce40dd28a75

(this sample)

  
Delivery method
Distributed via web download

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