MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bb3baf33d5d9c62f7be898e6f664a88de7dcd1f2d0142b6cb7bafc3807fa2e9. 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: 16


Intelligence 16 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5bb3baf33d5d9c62f7be898e6f664a88de7dcd1f2d0142b6cb7bafc3807fa2e9
SHA3-384 hash: 27fcd3495264ec8be500a57fe280c7a529136db68e84be32808b2c0167de3bb7c84f4c23ee43cace2b2f9ac6016fe793
SHA1 hash: 9ceea7df79e2fa557b164aadfbfa1339ed2deaaa
MD5 hash: 1301a9365d64e704e059b1af0471e44b
humanhash: enemy-maryland-oven-item
File name:5BB3BAF33D5D9C62F7BE898E6F664A88DE7DCD1F2D014.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:229'376 bytes
First seen:2022-06-08 20:12:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:czEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HITDh6OwtcLq3o9kdKmLB:cLV6Bta6dtJmakIM5Eh6XtJo9kdf9
Threatray 4'064 similar samples on MalwareBazaar
TLSH T12D24CF6677A84A2FE2DE8679612212528379C2E3D8C3F3DE2CD455B74F263E50A071C7
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
84.51.52.166:54984

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
84.51.52.166:54984 https://threatfox.abuse.ch/ioc/379299/

Intelligence

File Origin
# of uploads :
1
# of downloads :
359
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
5BB3BAF33D5D9C62F7BE898E6F664A88DE7DCD1F2D014.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 20:21:17 UTC
Tags:
trojan rat nanocore
Link:
https://app.any.run/tasks/94de55ce-8c3f-4867-87b5-58a3e1fff3dd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/277890/
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe greyware nanocore obfuscated overlay packed rat remote.exe replace.exe schtasks.exe
Link:
https://www.filescan.io/uploads/62a103128e867832d9e8641e/reports/0385c65b-01e7-4470-86ca-7e7ff59fbfa3/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/1be66362-6bc4-4ec0-b77c-054af8a63900
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009389
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5bb3baf33d5d9c62f7be898e6f664a88de7dcd1f2d0142b6cb7bafc3807fa2e9/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 01:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=loz3v4z5lwogf556rghg6zskrdph3ti7fuaufnwlpox4had7uluq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
07f511ce3b6a8fb409c1a05ea3e01a6d92422674224109c8d0889a017122098c
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
7ceb354c4f419b3daed055ae62d5b1aaf58a7b715f8e9de08e5379e7e70ebeb6
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
NanoCore
+ 4'054 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220608-yzdwrsbde9/
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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
urregular.ddnsgeek.com:54984
deli.mywire.org:54984
Unpacked files
SH256 hash:
5bb3baf33d5d9c62f7be898e6f664a88de7dcd1f2d0142b6cb7bafc3807fa2e9
MD5 hash:
1301a9365d64e704e059b1af0471e44b
SHA1 hash:
9ceea7df79e2fa557b164aadfbfa1339ed2deaaa
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/cbdac9a5-b90b-4bae-a697-f07c0ce88823/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5bb3baf33d5d9c62f7be898e6f664a88de7dcd1f2d0142b6cb7bafc3807fa2e9

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.

Cape
Cape
https://www.capesandbox.com/analysis/277890/

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