MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8948abf5e6d357805d72b6d05015e70c705e2a7bbd58704d63fcdb1a9b2116dd. 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: 11


Intelligence 11 IOCs 1 YARA 14 File information Comments
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SHA256 hash: 8948abf5e6d357805d72b6d05015e70c705e2a7bbd58704d63fcdb1a9b2116dd
SHA3-384 hash: 421380a57c530985855598fbdfc41215a57e209f477eae1d494e333372c05ec17fb1c4a017d985190bd54bb49ad807ad
SHA1 hash: 8349bdbc19687cf3baf7167562fc7e5febc0b088
MD5 hash: 33c1ebab9ea309a6c217404373190bea
humanhash: louisiana-uniform-oregon-dakota
File name:H1GC5Z4C39PAYMENTRECEIPT.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'775'032 bytes
First seen:2021-10-23 18:50:34 UTC
Last seen:2021-10-23 20:21:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GZJvlLCmGMSOSWv8DnMebN3r5uuq7277sBekl7sT9nPR7yH/RJRavFqkiaTqmXWo:2/kYebxh7ZRFM/RKvMkiaTqmX3hevfe
Threatray 3'168 similar samples on MalwareBazaar
TLSH T14F854A149DA0894DEE8FC23E70E25539783E1F64974E802566D64BFC780BF878F52B26
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.140.53.3:8090

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.140.53.3:8090 https://threatfox.abuse.ch/ioc/230268/

Intelligence

File Origin
# of uploads :
2
# of downloads :
608
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199596/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.EHH.genEldorado.20362.31875.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed
Link:
https://www.filescan.io/uploads/6174f6909a5a1e91c5d1f470/reports/1ba52ffb-ed9a-4a4c-aebd-484f5dbc0197/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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e52b74e2-8d2e-4932-bdbd-0845a1af5d59
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/875698
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates autostart registry keys with suspicious names
Detected Nanocore Rat
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 508131 Sample: H1GC5Z4C39PAYMENTRECEIPT.exe Startdate: 23/10/2021 Architecture: WINDOWS Score: 100 64 kenimaf.duckdns.org 2->64 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 12 other signatures 2->82 8 H1GC5Z4C39PAYMENTRECEIPT.exe 18 6 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 10 other processes 2->17 signatures3 process4 dnsIp5 68 cdn.discordapp.com 162.159.135.233, 443, 49755, 49756 CLOUDFLARENETUS United States 8->68 70 192.168.2.1 unknown unknown 8->70 60 C:\Program Files\Common Files\...\svchost.exe, PE32 8->60 dropped 62 C:\...\svchost.exe:Zone.Identifier, ASCII 8->62 dropped 86 Creates autostart registry keys with suspicious names 8->86 88 Adds a directory exclusion to Windows Defender 8->88 90 Hides threads from debuggers 8->90 92 Drops PE files with benign system names 8->92 19 H1GC5Z4C39PAYMENTRECEIPT.exe 8->19         started        24 powershell.exe 25 8->24         started        26 powershell.exe 24 8->26         started        32 2 other processes 8->32 72 162.159.130.233, 443, 49760, 49761 CLOUDFLARENETUS United States 13->72 94 System process connects to network (likely due to code injection or exploit) 13->94 28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        34 2 other processes 13->34 74 162.159.129.233, 443, 49767, 49768 CLOUDFLARENETUS United States 15->74 36 4 other processes 15->36 96 Changes security center settings (notifications, updates, antivirus, firewall) 17->96 38 4 other processes 17->38 file6 signatures7 process8 dnsIp9 66 kenimaf.duckdns.org 185.140.53.3, 49757, 49762, 49765 DAVID_CRAIGGG Sweden 19->66 58 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->58 dropped 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->84 40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 32->48         started        50 conhost.exe 34->50         started        52 conhost.exe 36->52         started        56 2 other processes 36->56 54 conhost.exe 38->54         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8948abf5e6d357805d72b6d05015e70c705e2a7bbd58704d63fcdb1a9b2116dd/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-10-23 18:51:04 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfekx5pg2nlyaxlsw3ifafphbryf4kt3xvmhatld7tnrvgzbc3oq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 3'158 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211023-xhgewscdd8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Windows security modification
NanoCore
Windows security bypass
Malware Config
C2 Extraction:
kenimaf.duckdns.org:8090
Unpacked files
SH256 hash:
8f9b9aac5cb8eef357b6b1eb349ab520e7ba07a6dd00096b896613448b1cb115
MD5 hash:
cfe4738cdbc3bf10492db12ded3a308f
SHA1 hash:
c61bf5c5cb5d09ae0cd50bc678dd3e19a7d7bac4
Link:
https://www.unpac.me/results/bab2ffb6-f719-4162-9c95-09695d494682/
SH256 hash:
8948abf5e6d357805d72b6d05015e70c705e2a7bbd58704d63fcdb1a9b2116dd
MD5 hash:
33c1ebab9ea309a6c217404373190bea
SHA1 hash:
8349bdbc19687cf3baf7167562fc7e5febc0b088
Link:
https://www.unpac.me/results/bab2ffb6-f719-4162-9c95-09695d494682/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8948abf5e6d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8948abf5e6d357805d72b6d05015e70c705e2a7bbd58704d63fcdb1a9b2116dd

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/199596/

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