MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ce98988c6bc711bb7e96cb59366594d75a19766339cd87b77a0192f0639809. 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: 81ce98988c6bc711bb7e96cb59366594d75a19766339cd87b77a0192f0639809
SHA3-384 hash: c65d8496142bdc6f08c209bf177469fcc9a5fe78884cb19e15bc89b874f851a167562eb606aa3f95abe15e9606848d5b
SHA1 hash: ec16e488a5ebfc9fd58fd75046821eae988bb998
MD5 hash: 62d60896a62045a9803b264b0c76d242
humanhash: low-apart-west-helium
File name:62d60896a62045a9803b264b0c76d242.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:372'224 bytes
First seen:2020-06-03 10:18:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:SrXqIkdGnNwSL5zWeYQpxgk9fsTub4AZSdif6xDZ++mfMvyNvt7So6vMaGODBWcD:YXfkdGnNwSL5zWeYQc73dVmfMv6SUHWz
Threatray 1'173 similar samples on MalwareBazaar
TLSH E484F19533AC7E63CAFC19F9D862614983F951222696F3D95CC260EA92D3FE40641EC3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
185.19.85.186:40510

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
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:
2020-06-03 11:01:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 30 (70.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhhjrgemnpdrdo36s3fvsntfstlvuglwmm443b5xpiazf4ddtaeq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
123b0a7526aa6da19d3f2592a46c209be9b89dd5bc2690bcf84ba958247a1589
NanoCore
1f2e6460618c77225b5eb25fed0ffb8e2b42b2c0180ae59fee03afe7f8f906ed
NanoCore
3349e45fdf7c4d828820a47671d70046b51ae806de9987c371edc17e9148eb42
NanoCore
523e47e96043b4e5ff372230e6fbdf6a56f6e8fcf95fcd94d4a976d95471e54c
NanoCore
525ad168dd1152a5dd477791b01b3d6edf0ddf296b72ef04b96a79f1e2a1e499
NanoCore
6fac11ccc1a67ab04cb4e7477687006e8704c21f5019c9f562be7c8544d90c04
NanoCore
a0d1174033e97f8357e24a3c08daee72328599e260d622979d5e9d4787b29707
NanoCore
b59de3e185784023c3bfa211f874ab50b74083e6d0a83174a8c42d74099429a4
NanoCore
e3f7e46443905093f45dc19c371eecc0fb10d3d8c81941f1f75a274cabdab033
NanoCore
e8254b66674540a3ccd19360e61beca8337a93af404f3486dca84a5bcdb3abd4
NanoCore
+ 1'163 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/201109-1j88wfqj26/
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:
185.19.85.186:40510
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 81ce98988c6bc711bb7e96cb59366594d75a19766339cd87b77a0192f0639809

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments