MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfe20c750574e668b6b88f9a0453762d5e0a82f7ba3ab879eacd85e0671035ae. 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: cfe20c750574e668b6b88f9a0453762d5e0a82f7ba3ab879eacd85e0671035ae
SHA3-384 hash: bbf2d10938768f4a4c5316b56fdfa98c68a6342c87878cca2a6a9da5274d7b2911127d4c53e3d6ae0fdea05cb4e4ba58
SHA1 hash: 1da5757a06c2fda4397c07839c4acafeaba3060f
MD5 hash: 5db172340f1455ca2e204cac860a61fb
humanhash: papa-blossom-hydrogen-pennsylvania
File name:5db172340f1455ca2e204cac860a61fb.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:321'536 bytes
First seen:2020-05-13 16:51:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:/77gVJKBUs9bO2hjkF0BA09ATWDCBUbNukeHI5fAWSYnzBhfjWCy1FP:/QyhbO29Qm99OBUbpYIfAWSW7+LP
Threatray 1'186 similar samples on MalwareBazaar
TLSH 216412A9365D6A2FC71E05F894219E8413F589367733E3CDCDF690DA92AA3D01C065E3
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
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:
2020-05-13 09:42:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7ray5ifottgrnvyr6naiu3wfvpavaxxxi5lq6pkzwc6azyqgwxa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
093313195ab55c462e616e41f5b20e0f876d69e1941d34cd05302c82d8eb20e7
NanoCore
293abba95362ff2a09dbb81d8cd4bb495da6d919950fec22ffc3880d8134eb49
NanoCore
5adb192079fbc16f4631d3e5c894d9bec1ed384e7be85742c4f076760eb64a0f
NanoCore
6163f1bf34c821d55a7e532009adc95ba921b28578a58336e5b01f6c09d4dad4
NanoCore
81b26504ee095df57c80e9ea296b04b722f54a3b5b4e28047134768f7972edfc
NanoCore
af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed
NanoCore
bc33d0face20153ffe1ebf0c3e9043894633a624d8e4214084c292e353777f46
NanoCore
e847719a98762bcf7422064186c2cdbb2f58000622448c3adcb6769b7cfbea68
NanoCore
ec89b2b660ea42254a90f3b045dc98bfe6d1733878bd39a2a7030d68de169859
NanoCore
f0fa2d366b28cfa858d00232f1073be3dbea215480c630a6489b38acdbb7af83
NanoCore
+ 1'176 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-sqxqarr13n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
klbfever.ddns.net:1759
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
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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 cfe20c750574e668b6b88f9a0453762d5e0a82f7ba3ab879eacd85e0671035ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/362127/
  
Delivery method
Distributed via web download

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