MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8
SHA3-384 hash: f61543a73dedd65c10f3ed805ee516417d6d2c11bbcd48959836c9bc2a977a434d9458391f5289b38ace734ce89255e9
SHA1 hash: 2d12684a0394c7061597d3e0c64a34f780d0fedd
MD5 hash: bd9ecab86c9d5e86908bea1ffd6afa1e
humanhash: neptune-kitten-cola-ten
File name:a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8
Download: download sample
Signature NanoCore
Create hunting rule
File size:442'368 bytes
First seen:2020-07-06 06:56:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:vjx632fOTFyWRg4LX6+XbepWbPyzIDOO82qVtpVnP29Fxta5/Y8TU:WFRzXKpmyoa37P29FozTU
Threatray 1'338 similar samples on MalwareBazaar
TLSH E794CF6373B88E5DE6A85A7DF53A1A26073170C6F323F7AA46C4B5CD26B138087107D6
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20978/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Sending a TCP request to an infection source
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 01:03:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=un7vahbnmxizdaup4if7cscdnxrdeapw72cs2wo7uz5kux6ca3ua._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2f003ca84db5f82fcf36040f7d97baae64e0582e830c8c1cea65c32c3d5b21d5
NanoCore
65603c7a88beb93205d2012ca8d63dba310fc0f7f91fc81300734ee3b2eb3f10
NanoCore
75830575168e1d024a8d0c86764cb9b88eea3c79f0c4a24fb39d4e94fd2c42d7
NanoCore
86622b1479706d348299e938ab1889c02f9c33aa1c572902e43367edfbbe526c
NanoCore
cb5eb4758a41046a2f3fc084731d756aedf8ea212dc08c9bb2e6cd7f5eff6cae
NanoCore
d0a8b39bc4bd58191a4b6db1a71621e7d9e2e124c05ad01922aafb9eba72205a
NanoCore
d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0
NanoCore
e33ef485c574d639eae34cd252d97aa78c17718190c98a92f7b6dc5a5fc0cd69
NanoCore
f5ccc5ce755b5273935290c41751582654c3f4783c07df8cf91dd783cd3afc1b
NanoCore
f86a114e73dd0f15bc888e3db1477aa4c92d333bb236c4d3d1f49e72858bb80d
NanoCore
+ 1'328 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200706-zk2ygfbn9n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
NanoCore
Malware Config
C2 Extraction:
netwomo.duckdns.org:7654
91.193.75.135:7654
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.

Cape
Cape
https://www.capesandbox.com/analysis/20978/

Comments