MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed. 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: 5


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

SHA256 hash: af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed
SHA3-384 hash: 595d4181700ad725cc22ca342229c3d99a1baf0870aa2e590645252b4c89a84ecd4139b28fbe1cc523555c3f6b2b30ac
SHA1 hash: 8deabe980844242e30b0d3a1d1dc65c733b33b38
MD5 hash: 71ba2b216c24a9b98ce5a24686eda118
humanhash: delta-virginia-eight-rugby
File name:71ba2b216c24a9b98ce5a24686eda118.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:363'008 bytes
First seen:2020-06-04 06:51:22 UTC
Last seen:2020-06-10 07:51:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:H/ZWIzJXxSfRHUmN+L29GFQU8zyPh8kN0zV9Zy/H/RrGu+7Ssp:H/ZRJBS5HTN+LxFQh20rE/H/JGuM
Threatray 1'340 similar samples on MalwareBazaar
TLSH 4E74CF0ABEAC6DB7C67C55F408C2940213F59516256BF2DDDCE362DF98E2F800B65A83
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
frank121.duckdns.org:8802 (185.244.29.236)

Pointing to nVpn:

% Information related to '185.244.29.0 - 185.244.29.255'

% Abuse contact for '185.244.29.0 - 185.244.29.255' is 'abuse@gerber-edv.net'

inetnum: 185.244.29.0 - 185.244.29.255
netname: GERBER-NETWORK
descr: Wonsan, Kangwon-do
descr: Choson Minjujuui Inmin Konghwaguk
country: KP
admin-c: GN5022-RIPE
tech-c: GN5022-RIPE
org: ORG-GN148-RIPE
status: SUB-ALLOCATED PA
mnt-by: GERBER-MNT
created: 2018-01-31T19:41:57Z
last-modified: 2020-04-06T22:16:40Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 05:30:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 48 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v55vwokakbs7cbnax4hvgv4amgw42wffqyn3hcbh3uhwfx2pk7wq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
093313195ab55c462e616e41f5b20e0f876d69e1941d34cd05302c82d8eb20e7
NanoCore
140902e2a23240a35b3e72be9c0878d18c2a7b4780feab213cbcc03156804c05
NanoCore
293abba95362ff2a09dbb81d8cd4bb495da6d919950fec22ffc3880d8134eb49
NanoCore
515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521
NanoCore
6163f1bf34c821d55a7e532009adc95ba921b28578a58336e5b01f6c09d4dad4
NanoCore
ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
NanoCore
e102edf045b60201468f4f7910e3ed9d78bcfb0a1e0955bf14faa9ebb2deab8f
NanoCore
e847719a98762bcf7422064186c2cdbb2f58000622448c3adcb6769b7cfbea68
NanoCore
ec89b2b660ea42254a90f3b045dc98bfe6d1733878bd39a2a7030d68de169859
NanoCore
f0fa2d366b28cfa858d00232f1073be3dbea215480c630a6489b38acdbb7af83
NanoCore
+ 1'330 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/201109-zw7tc92kpa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
frank121.duckdns.org:8802
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
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.

Malspam

NanoCore

Executable exe af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed

(this sample)

  
Delivery method
Distributed via e-mail attachment

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