MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b5c5e1f6099eba66c91b4b731d5c624ad805fc187b8229ea410ea3cbb589acf. 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 6 File information Comments

SHA256 hash: 6b5c5e1f6099eba66c91b4b731d5c624ad805fc187b8229ea410ea3cbb589acf
SHA3-384 hash: 9bdaab9f9484428cb6449e6286eb4c348eedaa23fb15dfb4d4b4d0d0e84ecc739ef9185437b102584c3c69c39b14c153
SHA1 hash: ef2ec3a81cd1e2fe76b8f430a801f5d0725453ba
MD5 hash: 1ab46239aaaadf3e70c3118bdfcfa271
humanhash: seven-wisconsin-december-steak
File name:New Order 7320 PDF.exe
Download: download sample
Signature NanoCore
File size:452'096 bytes
First seen:2020-12-14 08:32:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:cxIfjlhn0NKI0Kf3co6QtulGBFE0fWqcna5bGPOAEi8QZlDna3gGNM/g:8cjlhnVKf5tcqWqaacGJQbwgGN2g
TLSH B2A4DF262D82566CC5280B72047CEDC0B375AB493F568B7EB28FE30DCE5205FA71A65D
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
ammagedom.ddns.net:6653 (37.48.85.234)

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order 7320 PDF.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 08:36:09 UTC
Tags:
rat nanocore trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching cmd.exe command interpreter
Creating a file
Creating a process from a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330045 Sample: New Order 7320 PDF.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Sigma detected: NanoCore 2->56 58 7 other signatures 2->58 8 New Order 7320 PDF.exe 4 2->8         started        12 b.exe 2 2->12         started        14 dhcpmon.exe 4 2->14         started        process3 file4 48 C:\Users\user\...48ew Order 7320 PDF.exe.log, ASCII 8->48 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->60 16 cmd.exe 1 8->16         started        18 cmd.exe 2 8->18         started        62 Writes to foreign memory regions 12->62 64 Allocates memory in foreign processes 12->64 66 Injects a PE file into a foreign processes 12->66 21 InstallUtil.exe 3 12->21         started        23 InstallUtil.exe 12->23         started        25 InstallUtil.exe 12->25         started        27 InstallUtil.exe 12->27         started        29 conhost.exe 14->29         started        signatures5 process6 file7 31 b.exe 4 16->31         started        34 conhost.exe 16->34         started        42 C:\Users\user\AppData\Roaming\b.exe, PE32 18->42 dropped 36 conhost.exe 18->36         started        process8 signatures9 68 Multi AV Scanner detection for dropped file 31->68 70 Machine Learning detection for dropped file 31->70 72 Writes to foreign memory regions 31->72 74 3 other signatures 31->74 38 InstallUtil.exe 1 11 31->38         started        process10 dnsIp11 50 ammagedom.ddns.net 37.48.85.234, 49732, 6653 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 38->50 44 C:\Users\user\AppData\Roaming\...\run.dat, data 38->44 dropped 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 38->46 dropped file12
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2020-12-14 08:01:45 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
ammagedom.ddns.net:6653
Unpacked files
SH256 hash:
6b5c5e1f6099eba66c91b4b731d5c624ad805fc187b8229ea410ea3cbb589acf
MD5 hash:
1ab46239aaaadf3e70c3118bdfcfa271
SHA1 hash:
ef2ec3a81cd1e2fe76b8f430a801f5d0725453ba
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
SH256 hash:
ea191d40152bcd6b0030063f949790030beb22d90c65b21b427c0f178f55c326
MD5 hash:
96783053d49206ad45f3f258d6a3ee3f
SHA1 hash:
e2d7cc15cb4edef0cd8f5e66c09860991e2d17ec
Detections:
win_nanocore_w0
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
SH256 hash:
46d3802acb6c708fcba3fa7b0432b362a06220c078e4a16c89b248022d753e72
MD5 hash:
2706c4174f7f3794cf3428823e8e452b
SHA1 hash:
9f135a396459c2ef6b501fd6a0ad66d683da7e24
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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

Executable exe 6b5c5e1f6099eba66c91b4b731d5c624ad805fc187b8229ea410ea3cbb589acf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments