MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1531470b71afbae59477a8ba23f4f0c72895700676fd3b5371a2e7f9637b86. 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 6 File information Comments

SHA256 hash: 8a1531470b71afbae59477a8ba23f4f0c72895700676fd3b5371a2e7f9637b86
SHA3-384 hash: aedc3c7789fd51c6ef1d0201faf62fd5ca0223261cf20d28b4cbe344a99ba8ff42810d9020f5c9ba33ae462741a2c670
SHA1 hash: bfde3d1da7ae9f63050bb48d71433f3e112ad87e
MD5 hash: 7f038b33a43afc2d9687337f963e8ab5
humanhash: massachusetts-diet-romeo-ack
File name:PAYMENT COPY.exe
Download: download sample
Signature NanoCore
File size:599'552 bytes
First seen:2020-12-04 18:27:02 UTC
Last seen:2020-12-04 19:57:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:nz8V6DT6h51YZMpWvVx4uD+LpbZWyNSmna5bGPOAEi8QZlDnAIhgPjRGb:E6ChfpWv/4kIpbZNpacGJQbNUjRGb
Threatray 1'378 similar samples on MalwareBazaar
TLSH 02D45B1377494BA4C46DB2B702F5EE52231EE9C737108F1E664BC7689A832C77A0D369
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
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
Creating a file in the %temp% directory
Deleting a recently created file
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Detected Nanocore Rat
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
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 cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327065 Sample: PAYMENT COPY.exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Sigma detected: Scheduled temp file as task from temp location 2->89 91 10 other signatures 2->91 10 PAYMENT COPY.exe 2 2->10         started        14 qcxza.exe 2->14         started        16 InstallUtil.exe 2->16         started        18 dhcpmon.exe 2->18         started        process3 file4 79 C:\Users\user\...\PAYMENT COPY.exe.log, ASCII 10->79 dropped 99 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->99 20 cmd.exe 1 10->20         started        22 cmd.exe 2 10->22         started        25 InstallUtil.exe 14->25         started        27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        signatures5 process6 file7 31 qcxza.exe 1 20->31         started        34 conhost.exe 20->34         started        71 C:\Users\user\Pictures\qcxza.exe, PE32 22->71 dropped 36 conhost.exe 22->36         started        process8 signatures9 101 Multi AV Scanner detection for dropped file 31->101 103 Uses cmd line tools excessively to alter registry or file data 31->103 105 Writes to foreign memory regions 31->105 107 3 other signatures 31->107 38 InstallUtil.exe 1 11 31->38         started        43 cmd.exe 1 31->43         started        45 cmd.exe 1 31->45         started        47 5 other processes 31->47 process10 dnsIp11 81 e12345.ddns.net 105.112.109.37, 9034 VNL1-ASNG Nigeria 38->81 83 79.134.225.22, 49740, 49741, 49742 FINK-TELECOM-SERVICESCH Switzerland 38->83 73 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 38->73 dropped 75 C:\Users\user\AppData\Local\...\tmp705C.tmp, XML 38->75 dropped 77 C:\Program Files (x86)\...\dhcpmon.exe, PE32 38->77 dropped 93 Protects its processes via BreakOnTermination flag 38->93 95 Hides that the sample has been downloaded from the Internet (zone.identifier) 38->95 49 schtasks.exe 38->49         started        51 schtasks.exe 38->51         started        97 Uses cmd line tools excessively to alter registry or file data 43->97 53 conhost.exe 43->53         started        55 reg.exe 1 1 43->55         started        57 conhost.exe 45->57         started        59 reg.exe 45->59         started        61 conhost.exe 47->61         started        63 reg.exe 47->63         started        65 8 other processes 47->65 file12 signatures13 process14 process15 67 conhost.exe 49->67         started        69 conhost.exe 51->69         started       
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-11-30 13:39:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
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
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
e12345.ddns.net:9034
79.134.225.22:9034
Unpacked files
SH256 hash:
8a1531470b71afbae59477a8ba23f4f0c72895700676fd3b5371a2e7f9637b86
MD5 hash:
7f038b33a43afc2d9687337f963e8ab5
SHA1 hash:
bfde3d1da7ae9f63050bb48d71433f3e112ad87e
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
SH256 hash:
2223ad496948a66f75ca9573afcb76e6e6a6f0e93ec6112869d576e7460a3437
MD5 hash:
241eafc6fac7aee30497043e9297ce79
SHA1 hash:
ca10266c2b320240254f9f60b849b99031c1e875
Detections:
win_nanocore_w0
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
SH256 hash:
9790a6aa3d28d77d320c8f32938122c1212b7f6291daa7511f854a3fcd0fb037
MD5 hash:
6e53bc3c0364eefd1d448d25e026975d
SHA1 hash:
f11ea87b0638531f442b113feb19dbaae81ad518
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.

  
Delivery method
Other

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