MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f25a24fbcffae3e89a9dae33ff5745f94891af95f78c4900fc166d46f7b44f. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4f25a24fbcffae3e89a9dae33ff5745f94891af95f78c4900fc166d46f7b44f
SHA3-384 hash: 9834492b174a64f981124d14566989fd046972eb7a85bbc7dc4ec800023cffe4b73f3eb7cff455203fa34f2980aa8a4a
SHA1 hash: a7fbbe447541354718d8fcbf476c6bf7aa833a21
MD5 hash: 8d5dea2ef665ad1ebdd2d7d2a9be0eec
humanhash: angel-november-cola-sodium
File name:8d5dea2ef665ad1ebdd2d7d2a9be0eec.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:300'544 bytes
First seen:2020-05-28 05:29:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:fkDJ4CqVPI8NyhgWO2jCYZAEAxie0HttcWg4LUqI+uu2pq8vj:MwegR22YC/ottY4LUd+N27v
Threatray 1'792 similar samples on MalwareBazaar
TLSH 4254120275A48376E22D0BBD249084123BF1B61DD42BFB59AFC939ED7E0A7470A514BF
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
dave2h.ddns.net:8939 (185.244.30.75)

Pointing to nVpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@FOS-VPN.org'

inetnum: 185.244.30.0 - 185.244.30.255
netname: Freedom_Of_Speech_Foundation_Hungary
remarks: Budapest, Hungary
country: HU
org: ORG-FOSF3-RIPE
admin-c: FOSF1-RIPE
tech-c: FOSF1-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-04-06T19:58:39Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.fc.4709.UNOFFICIAL
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Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
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Status:
Malicious
First seen:
2020-05-28 07:43:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
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Similar samples:
0e42efb1ea61d5d30ed176723fe7d724138abcf6c0291ced028ffa940171a312
NanoCore
0fbf94a719f66bcd7d5d5a8fe06d509bd4bf09ccc7610d6b08a6eb97136bc84a
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7c65791a28bb5371879626ac09de636c77bc6439e139db1b5110954beeb75d04
NanoCore
94581916a6f0f8c4c0e9238fb1ec9ee8f44035e750f7a41115e68ebe526e6ee4
NanoCore
a4a97ffddcc1f86ee8d3c45421375fb560f3b9aa9428cc3079cffc1edf930d0d
NanoCore
ac6e5dcfea294b4260a82eea6cb2de75eecb7d960f3797163aaaecfd9c95d380
NanoCore
e4021aa570add67f2b5851726db7b5e96bef884681c81dd8dfc7383948314474
NanoCore
f5e2764cbde44d86d4b2a73853c98b8e6a9f325f4e187aa1f0af53b9f4844d05
NanoCore
f8ac7b65c655d5e604540692e17267d64d0056d89dbdd3e3ff3c03db9b602f79
NanoCore
fe6ae4e601219d9bf84478571167e58466ca08fa917df8407fb5169c69109a72
NanoCore
+ 1'782 additional samples on MalwareBazaar
Result
Malware family:
nanocore
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Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-tc3hzr5b6j/
Behaviour
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
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NanoCore
Malware Config
C2 Extraction:
dave2h.ddns.net:8939
185.244.30.75:8939
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
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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.

Comments