MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de5da27d55060988faa9fb717e8b32e374bca6d86f7eb758c3b1aa062c5aa90b. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de5da27d55060988faa9fb717e8b32e374bca6d86f7eb758c3b1aa062c5aa90b
SHA3-384 hash: 2da6142eb36b1fcde9f47adbd44bb2f7159b6653d856bf0c2b0b7c413f02d0f99f2c1abc02e9117f7ee9480c2cee0341
SHA1 hash: 5f1320d87b1ec58c61cf2066d4fd70853d681ace
MD5 hash: 5586d6c2b0d80db09fa3ccf04e8bc408
humanhash: missouri-yellow-fix-artist
File name:5586d6c2b0d80db09fa3ccf04e8bc408.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:819'712 bytes
First seen:2020-07-21 09:52:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00cfe1cece4ca5ab4917a4bbdc80ffdc (10 x MassLogger, 6 x AgentTesla, 4 x NanoCore)
ssdeep 12288:owBUPwzUNE1UYSfrhzPKli+esLpzYHVhI/2W8fnr0p8iGSkfVxMeKQ2i:VwwMkUYMrhzPMeYsjZpwexFNWi
Threatray 2'705 similar samples on MalwareBazaar
TLSH 1E05AF1AF3D048F3F177263D5D1B97649C29BE513E289E47ABE42D0C9E38641383A1A7
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
harri2gudd.duckdns.org:2177 (105.112.104.62)

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/30029/
Detection(s):
Win.Malware.Daqc-6598201-0
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Connection attempt
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392962
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248848 Sample: F1Ib4scGun.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 118 Found malware configuration 2->118 120 Malicious sample detected (through community Yara rule) 2->120 122 Multi AV Scanner detection for dropped file 2->122 124 11 other signatures 2->124 10 F1Ib4scGun.exe 2->10         started        13 wpasv.exe 2->13         started        15 wpasv.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 134 Writes to foreign memory regions 10->134 136 Allocates memory in foreign processes 10->136 138 Queues an APC in another process (thread injection) 10->138 140 Contains functionality to detect sleep reduction / modifications 10->140 19 notepad.exe 5 10->19         started        23 notepad.exe 2 13->23         started        25 notepad.exe 15->25         started        142 Maps a DLL or memory area into another process 17->142 27 nsheujf.exe 17->27         started        29 nsheujf.exe 17->29         started        31 nsheujf.exe 3 17->31         started        process5 file6 84 C:\Users\user\AppData\Roaming\...\nsheujf.exe, PE32 19->84 dropped 86 C:\Users\user\...\nsheujf.exe:Zone.Identifier, ASCII 19->86 dropped 126 Creates files in alternative data streams (ADS) 19->126 128 Drops VBS files to the startup folder 19->128 33 nsheujf.exe 19->33         started        36 nsheujf.exe 23->36         started        88 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 25->88 dropped 38 nsheujf.exe 25->38         started        130 Maps a DLL or memory area into another process 27->130 40 nsheujf.exe 27->40         started        42 nsheujf.exe 27->42         started        44 nsheujf.exe 29->44         started        90 C:\Users\user\AppData\...\nsheujf.exe.log, ASCII 31->90 dropped signatures7 process8 signatures9 108 Multi AV Scanner detection for dropped file 33->108 110 Detected unpacking (changes PE section rights) 33->110 112 Detected unpacking (creates a PE file in dynamic memory) 33->112 116 3 other signatures 33->116 46 nsheujf.exe 1 15 33->46         started        51 nsheujf.exe 33->51         started        114 Maps a DLL or memory area into another process 36->114 53 nsheujf.exe 36->53         started        55 nsheujf.exe 36->55         started        57 nsheujf.exe 38->57         started        59 nsheujf.exe 38->59         started        61 nsheujf.exe 40->61         started        63 nsheujf.exe 44->63         started        65 nsheujf.exe 44->65         started        process10 dnsIp11 100 harri2gudd.duckdns.org 105.112.104.62, 2177 VNL1-ASNG Nigeria 46->100 102 69.65.7.130, 2177, 49738, 49740 ASN-GIGENETUS United States 46->102 92 C:\Program Files (x86)\...\wpasv.exe, PE32 46->92 dropped 94 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 46->94 dropped 96 C:\Users\user\AppData\Local\...\tmp8DAC.tmp, XML 46->96 dropped 98 C:\...\wpasv.exe:Zone.Identifier, ASCII 46->98 dropped 104 Hides that the sample has been downloaded from the Internet (zone.identifier) 46->104 67 schtasks.exe 1 46->67         started        69 schtasks.exe 1 46->69         started        71 nsheujf.exe 53->71         started        106 Maps a DLL or memory area into another process 61->106 74 nsheujf.exe 61->74         started        file12 signatures13 process14 signatures15 76 conhost.exe 67->76         started        78 conhost.exe 69->78         started        132 Maps a DLL or memory area into another process 71->132 80 nsheujf.exe 71->80         started        82 nsheujf.exe 71->82         started        process16
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de5da27d55060988faa9fb717e8b32e374bca6d86f7eb758c3b1aa062c5aa90b/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 09:54:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zo2e7kvayeyr6vj7nyx5czs4n2lzjwyn57lowgdwgvamlc2vefq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
366bac9db38e89bd47b0128bdf62a4f986d1d27449c12920744e157b819751f1
NanoCore
3874eba497e0b61949d0772430ce1df420e28777dba850a6033295212e9de9c5
NanoCore
6e417fffcd28aea1071fa5c5b240b2f2e655efd6a153040c3fb64876736dcaa5
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a498ac74ffd2f4ceccc802b5a42f33e067a7eb6f0b2125c3cf3668dd5c0c7833
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c6dacd6d13d4fc3761f548db8529d6d2a08b0894b26f148b8e8758fe721fb4cd
NanoCore
cc829675a0e11138d47b42b5c19e45403d7d73731aac0c97ca8b2a0e37a960f8
NanoCore
cea1d36e04dc9357211734f659dfe352056afc40779ee251fee4e72ceec619bf
NanoCore
d4d803a83e2c4c348972b6b8e5fce93416b0c60977a447818f592795505fdff1
NanoCore
f304855a11aedd539b9bdb686b1d5781e0d7080560f9520c6bda8586947b3285
NanoCore
f4dc1e741d3aef915ff984ff1346fc85ec3d37e9e89b275bb344e25c767751da
NanoCore
+ 2'695 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
upx evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200721-gsznn3xnn2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
NTFS ADS
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Loads dropped DLL
Drops startup file
Executes dropped EXE
UPX packed file
NanoCore
Malware Config
C2 Extraction:
harri2gudd.duckdns.org:2177
69.65.7.130:2177
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/de5da27d55060988faa9fb717e8b32e374bca6d86f7eb758c3b1aa062c5aa90b

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
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: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.

Web download

NanoCore

Executable exe de5da27d55060988faa9fb717e8b32e374bca6d86f7eb758c3b1aa062c5aa90b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/30029/
  
URLhaus
https://urlhaus.abuse.ch/url/410909/
  
Delivery method
Distributed via web download

Comments