MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73c1dadfe683d9f3dfcd2655018b4a17d0a679caf40195a223f387025086bc86. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73c1dadfe683d9f3dfcd2655018b4a17d0a679caf40195a223f387025086bc86
SHA3-384 hash: 850cca2eb2324182adbe956e0d2a7bba0b93e1942875806d5fd6eff10b0448125aa4a596f3be0dc387a68ecdcb9e7b86
SHA1 hash: 472aa748de8f230c1ca70e74f8de3d43dc218b9a
MD5 hash: 96e127351b5d88eaecf426c32dc81c87
humanhash: wisconsin-queen-april-river
File name:test.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:322'560 bytes
First seen:2020-07-27 16:53:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Ujd9zz/PtbckW+8A0aM3ZeJrMBX0+3tp1jmnMHJyF9IHho9oh+BdBT:UJ9zxMSMeNMBXFqMHJyejh8d1
Threatray 2'102 similar samples on MalwareBazaar
TLSH 1B64D0153A79197FC55835F83B53A84487B6622920F1EFDC7CC8E2DA10FBBA80542B87
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32980/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/398956
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73c1dadfe683d9f3dfcd2655018b4a17d0a679caf40195a223f387025086bc86/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-26 17:51:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=opa5vx7gqpm7hx6nezkqdc2kc7ikm6ok6qazlird6odqeuegxsda._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
036c0fbb1ffb23e9bfd4b4834a396d79ec319078865adf3ef75418450cf9fd18
NanoCore
0535877b80df70ade016f52cbbfbd0d95a6cfd03c9b191120d3a23445e8f4738
NanoCore
2b15a450dc18f20701d19f7dc9046760e4dd83ca7e99cdc122dab27a47f94f07
NanoCore
70a3e3040e47398629957e35100380def41b1ab5b4ac73e777051b6e85c60b19
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a
NanoCore
b87295a4b2fb2d2f4df9d502d52e2f50a5e9b3ba9f56b17e252fa0f3022ae6f4
NanoCore
b8e2713744ae4bf75f6f051a88fd7cd88aa5a9d0e5707932b44a5fb47dd73057
NanoCore
e2ffaab533cf46ad69fee9f095ac45555ad8de6a0581e4579e4caeb2c190b7ee
NanoCore
f80127513813eeb1bc2dd4aa089ad41c4bf9eb6cfdbd4aaf8490486d3eeca613
NanoCore
+ 2'092 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/200727-3c459dpbsa/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
tgfhgfd.casacam.net:6331
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73c1dadfe683d9f3dfcd2655018b4a17d0a679caf40195a223f387025086bc86

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/32980/

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