MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ba6a3b111db7d0e22339141a17eb368e1882734fe0a22641c46ab94c725bfad. 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 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ba6a3b111db7d0e22339141a17eb368e1882734fe0a22641c46ab94c725bfad
SHA3-384 hash: 2062bac9f6741b4367b8531f85b363d0c685ff1a2e3324212ced99659c109bec9dafd930c94489dc4b7332d5f18af34b
SHA1 hash: c28333f296ea281d90610a0866d5cdb8885fc34b
MD5 hash: 788c7a25b15a7263c24c4060f0c0df6a
humanhash: fish-sierra-six-muppet
File name:PAYMENT-SWIFTCOPY.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:400'384 bytes
First seen:2021-10-26 15:11:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:tM3Xn0uE7DZNLjqQbdV0+VHXBB27gkHvJa9Y1C6g6fgtQ2i57rQA:t6Xn0uYDza4hjJjyVk
Threatray 3'699 similar samples on MalwareBazaar
TLSH T1AB842860A2D848E5EC7A17349CB2784023B2BDAB8972DD1D9D99717C1A733C30677A4F
File icon (PE):PE icon
dhash icon 090d13130d0dc4c0 (1 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.32:9829

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
194.5.98.32:9829 https://threatfox.abuse.ch/ioc/237764/

Intelligence

File Origin
# of uploads :
1
# of downloads :
433
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/200298/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.4682.20744.27591.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Creating a file in the Windows subdirectories
Adding an access-denied ACE
Launching a process
Creating a file
Delayed writing of the file
Blocking the Windows Defender launch
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/61781ac5db358dd15edcd7e4/reports/f3809059-d952-4ca4-86d2-aed252e49c11/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8849fa16-58d8-4257-ade0-8aee27022816
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877137
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Detected Nanocore Rat
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Executable has a suspicious name (potential lure to open the executable)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Powershell Defender Exclusion
System process connects to network (likely due to code injection or exploit)
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 509580 Sample: PAYMENT-SWIFTCOPY.exe Startdate: 26/10/2021 Architecture: WINDOWS Score: 100 56 doc-file.ddns.net 194.5.98.32, 49760, 49766, 49767 DANILENKODE Netherlands 2->56 58 162.159.129.233, 443, 49759, 49763 CLOUDFLARENETUS United States 2->58 60 2 other IPs or domains 2->60 70 Malicious sample detected (through community Yara rule) 2->70 72 System process connects to network (likely due to code injection or exploit) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 17 other signatures 2->76 9 PAYMENT-SWIFTCOPY.exe 24 11 2->9         started        14 svchost.exe 2->14         started        16 svchost.exe 9 1 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 64 cdn.discordapp.com 162.159.130.233, 443, 49745, 49746 CLOUDFLARENETUS United States 9->64 48 C:\Windows\Cursors\...\svchost.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\???????????????.exe, PE32 9->50 dropped 52 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 9->52 dropped 54 2 other files (1 malicious) 9->54 dropped 80 Creates autostart registry keys with suspicious names 9->80 82 Drops PE files to the startup folder 9->82 84 Creates an autostart registry key pointing to binary in C:\Windows 9->84 88 3 other signatures 9->88 20 ???????????????.exe 9->20         started        25 AdvancedRun.exe 1 9->25         started        27 powershell.exe 9->27         started        29 7 other processes 9->29 86 Changes security center settings (notifications, updates, antivirus, firewall) 14->86 66 127.0.0.1 unknown unknown 16->66 file6 signatures7 process8 dnsIp9 62 cdn.discordapp.com 20->62 46 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 20->46 dropped 78 Adds a directory exclusion to Windows Defender 20->78 31 AdvancedRun.exe 25->31         started        34 conhost.exe 27->34         started        36 conhost.exe 29->36         started        38 conhost.exe 29->38         started        40 conhost.exe 29->40         started        42 conhost.exe 29->42         started        file10 signatures11 process12 dnsIp13 68 192.168.2.1 unknown unknown 31->68 44 conhost.exe 31->44         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ba6a3b111db7d0e22339141a17eb368e1882734fe0a22641c46ab94c725bfad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-26 15:12:06 UTC
AV detection:
11 of 44 (25.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jotkhmir3n6q4irtsfa2c7vtndqyqjzu7yfceza4i2vzjrzfx6wq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a64c1b956bb79c5cfec594165a4ba37e9f695f8f83ec2b7bc2729d19c2598cd5
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
f48ba8bd2660839072d1ad1ea43c7d3ba7787150bd29aaf22eaeac5d1df67cd2
NanoCore
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
NanoCore
+ 3'689 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211026-sk7bwahge7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Modifies Windows Defender Real-time Protection settings
NanoCore
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
doc-file.ddns.net:9829
127.0.0.1:9829
Unpacked files
SH256 hash:
d116d770850b2a26f72321511980a364d3bfd22c6fe4258f17b41dc96396d96d
MD5 hash:
0c4743452b7ce39aebe2da4c5dc2b616
SHA1 hash:
3428a7952c47ee879f89cef72f5e9555a8ab8b10
Link:
https://www.unpac.me/results/c89d9768-0a85-4ed6-8489-ea8fc0b59943/
SH256 hash:
4ba6a3b111db7d0e22339141a17eb368e1882734fe0a22641c46ab94c725bfad
MD5 hash:
788c7a25b15a7263c24c4060f0c0df6a
SHA1 hash:
c28333f296ea281d90610a0866d5cdb8885fc34b
Link:
https://www.unpac.me/results/c89d9768-0a85-4ed6-8489-ea8fc0b59943/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/4ba6a3b111db7d0e22339141a17eb368e1882734fe0a22641c46ab94c725bfad

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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: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/200298/

Comments