MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97d257d5265e902c2be8ec77fcd4884983ea6a082457c0e64b291152fc6507ab. 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: 13


Intelligence 13 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 97d257d5265e902c2be8ec77fcd4884983ea6a082457c0e64b291152fc6507ab
SHA3-384 hash: 3a939dc61b80a4ca30425db544688a11afc4e1d15bc886e64d7094e8567b5a0df5e6a97673974e48eaf7561eefc4b313
SHA1 hash: 3db81367e8d0f617c005684f38fea557f7a2bc34
MD5 hash: 32fb2d0c10a1928cfb87219a81b917e3
humanhash: alaska-pluto-hot-berlin
File name:DoFPS.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'360 bytes
First seen:2022-07-08 09:14:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:QLV6Bta6dtJmakIM5KdbAgjDkjtgyB9bXf:QLV6Btpmk/dNjDkjtn9bv
TLSH T16714CF5A3BE8453FE2DE8579612242129339C2E798C3F3DE68D465B74F263E44A0B1D3
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter 0xToxin
Tags:exe NanoCore

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.193.75.132:7668 https://threatfox.abuse.ch/ioc/817366/

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.NanoCore-9852758-0
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Win.Dropper.Nancrat-9869495-0
Create hunting rule

Win.Dropper.Nanocore-9916514-0
Create hunting rule

Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware nancrat nanocore obfuscated packed rat schtasks.exe windows
Link:
https://www.filescan.io/uploads/62c7f5984412db52dbf60f85/reports/db545f14-222d-49c8-9eeb-3f9755a7aedb/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35c125bc-d90b-498d-a3c2-45f06d3b2402
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1027074
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/97d257d5265e902c2be8ec77fcd4884983ea6a082457c0e64b291152fc6507ab/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-07-08 09:15:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s7jfpvjgl2icyk7i5r37zveijgb6u2qierl4bzslfeivf7dfa6vq._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220708-k7wjwschg6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
gyongglobaltradeltd.hopto.org:7668
91.193.75.132:7668
Unpacked files
SH256 hash:
97d257d5265e902c2be8ec77fcd4884983ea6a082457c0e64b291152fc6507ab
MD5 hash:
32fb2d0c10a1928cfb87219a81b917e3
SHA1 hash:
3db81367e8d0f617c005684f38fea557f7a2bc34
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/44170813-58a1-4860-80b2-fa761d697b87/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/97d257d5265e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/97d257d5265e902c2be8ec77fcd4884983ea6a082457c0e64b291152fc6507ab

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:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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
  
URLhaus
https://urlhaus.abuse.ch/url/2255291/

Comments