MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd. 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: 9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
SHA3-384 hash: e400e23e21925f5bfa76a69a11d4c66e2b6b3a8e01409959d5ccede9f5797a7b870bb0ef74934a7c236bc6c494079612
SHA1 hash: fb021ae991487768dee5ba946c083d935071cfea
MD5 hash: 561d6af019d7b11ea0a12c62f67f5fce
humanhash: orange-alaska-september-quebec
File name:LI-TAK P0 TVOP CK-20-08-30 203008,pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:885'760 bytes
First seen:2020-08-31 13:02:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'450 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:DSjm2JEpX2lQK0VadprRnterXZoEqacstSDEqs3iypJZqo7a9Z1Rmqx58uPrhB:DSi2Sa7tn6eac0SGiypD/OZRmqcurL
Threatray 1'093 similar samples on MalwareBazaar
TLSH 0815C0439319971DDC1877752420C4BCD2B27E86EA38E09CEDCB3DAB797B24DA499183
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mx1.industri.ru
Sending IP: 213.135.75.146
From: LI-TAK MACHINERY (M) SDN. BHD. <sales3@litak.com.my>
Subject: Order Inquiry #203008
Attachment: LI-TAK P0 TVOP CK-20-08-30 203008,pdf.iso (contains "LI-TAK P0 TVOP CK-20-08-30 203008,pdf.exe")

NanoCore RAT C2:
palmtreesbynastyc.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53543/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455476
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 280113 Sample: LI-TAK  P0 TVOP CK-20-08-30... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 38 palmtreesbynastyc.ddns.net 2->38 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->46 48 12 other signatures 2->48 8 LI-TAK  P0 TVOP CK-20-08-30 203008,pdf.exe 7 2->8         started        12 dhcpmon.exe 6 2->12         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\tHfwkemzzjy.exe, PE32 8->26 dropped 28 C:\Users\...\tHfwkemzzjy.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmp35C5.tmp, XML 8->30 dropped 32 LI-TAK  P0 TVOP CK... 203008,pdf.exe.log, ASCII 8->32 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 14 MSBuild.exe 1 10 8->14         started        18 schtasks.exe 1 8->18         started        20 MSBuild.exe 8->20         started        22 conhost.exe 12->22         started        signatures6 process7 dnsIp8 40 palmtreesbynastyc.ddns.net 185.244.30.18, 49714, 49715, 49719 DAVID_CRAIGGG Netherlands 14->40 34 C:\Users\user\AppData\Roaming\...\run.dat, data 14->34 dropped 36 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->36 dropped 24 conhost.exe 18->24         started        file9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 05:21:44 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=trrooxznyfugog6572gk2kyqegl4cdmqhhmjc6twg5mf75qd3poq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0c2e455f5983d94458f8222bda189794e9095460e0df8764d4bd4787fc217a52
NanoCore
0ca1f0a08b7a21079683beeaf8bfa86df3d396b8d7a0cade52e963b78bd9a7e3
NanoCore
1bfc107e597a3f4780a8607d7c5f033048cb59c50a5fdbe388c10d839efd8692
NanoCore
1d433633d08421004a24c04b8a6a05b9c19afde22e6869c82f9cbe6aaad568fd
NanoCore
3d009dd1124fdf76e4a5284fa421d54a0ec663abc1517bbf95c809bb36dd8863
NanoCore
8846c5d088724ae06915e0e0f987ca3a65fba368095bc73f3109f6cb7841318b
NanoCore
8d2625935b4f6a1a8f1698ec24d609319f9f1f86811e1e36f198e9467c3103b7
NanoCore
8fc4747ee4e9b358ddd1dffff19b0b3f5166e8b4ef15257be68d3fa2decb347e
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
f4156e15b465020e6687a23a63eb4b7c84a18f90ead4665087c6c2e5a09b455d
NanoCore
+ 1'083 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/200831-q96jyv5a36/
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
NanoCore
Malware Config
C2 Extraction:
palmtreesbynastyc.ddns.net:5916
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/9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd

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

iso bd43a93e4fe123411059ba7fb7f37533a92a407cf353335a5f390c6453f7b6de

NanoCore

Executable exe 9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd

(this sample)

  
Dropped by
MD5 5da4eb4e9d1698f8ef6895d2956391e8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53543/
  
Dropped by
SHA256 bd43a93e4fe123411059ba7fb7f37533a92a407cf353335a5f390c6453f7b6de

Comments