MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe
SHA3-384 hash: 0a3b32259cfc40176200af63711ab2ccd37356a0e151aedefc36592861182a21c63a773a840f823f18b447cba9de797d
SHA1 hash: 5605e79621b7a4ffc6642fd071fd00022b9b4bf7
MD5 hash: 6280752b9013b453069afc1e37efeb96
humanhash: social-xray-shade-helium
File name:6280752b9013b453069afc1e37efeb96.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:118'248 bytes
First seen:2020-12-03 17:23:14 UTC
Last seen:2020-12-03 19:00:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'799 x AgentTesla, 19'718 x Formbook, 12'278 x SnakeKeylogger)
ssdeep 1536:V4XFnjaIJPzXwJPzXsJPzXkJPzXJJPzXvZK+L6Iph/8wbRPtPofPHoNBfVJLiGUJ:V41jazZNL6cxbRPtPMPkpiGU0tFsHg
Threatray 1'375 similar samples on MalwareBazaar
TLSH 1EC31959374C8E03E09A8B302683E17352B59E93AA3747A2B5F1BF5738337E52943197
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106647/
Detection(s):
SecuriteInfo.com.Generic.mg.6280752b9013b453.9760.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Sending a UDP request
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore MailPassView
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/554954
Signature
.NET source code contains potential unpacker
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected Nanocore Rat
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Sigma detected: NanoCore
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected MailPassView
Yara detected Nanocore RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326575 Sample: lBrVJrzGoT.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 82 hastebin.com 2->82 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 11 other signatures 2->96 9 lBrVJrzGoT.exe 18 6 2->9         started        14 dhcpmon.exe 2->14         started        16 lBrVJrzGoT.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 88 hastebin.com 172.67.143.180, 443, 49711, 49724 CLOUDFLARENETUS United States 9->88 72 C:\Users\user\AppData\...\lBrVJrzGoT.exe, PE32 9->72 dropped 74 C:\Users\...\lBrVJrzGoT.exe:Zone.Identifier, ASCII 9->74 dropped 76 C:\Users\user\AppData\...\lBrVJrzGoT.exe.log, ASCII 9->76 dropped 110 Creates an undocumented autostart registry key 9->110 112 Drops PE files to the startup folder 9->112 114 Injects a PE file into a foreign processes 9->114 20 lBrVJrzGoT.exe 1 12 9->20         started        25 cmd.exe 1 9->25         started        78 C:\Users\user\AppData\Roaming\...\dhcpmon.exe, PE32 14->78 dropped 80 C:\Users\user\...\dhcpmon.exe:Zone.Identifier, ASCII 14->80 dropped 116 Creates multiple autostart registry keys 14->116 27 cmd.exe 14->27         started        118 Creates autostart registry keys with suspicious names 16->118 29 cmd.exe 16->29         started        31 cmd.exe 18->31         started        33 cmd.exe 1 18->33         started        35 cmd.exe 18->35         started        37 2 other processes 18->37 file6 signatures7 process8 dnsIp9 84 vremenew.ddns.net 79.134.225.12, 49718, 83 FINK-TELECOM-SERVICESCH Switzerland 20->84 86 192.168.2.1 unknown unknown 20->86 66 C:\Program Files (x86)\...\dhcpmon.exe, PE32 20->66 dropped 68 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 20->68 dropped 70 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 20->70 dropped 98 Writes to foreign memory regions 20->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->100 102 Injects a PE file into a foreign processes 20->102 39 vbc.exe 20->39         started        42 vbc.exe 20->42         started        44 timeout.exe 1 25->44         started        46 conhost.exe 25->46         started        56 2 other processes 27->56 48 conhost.exe 31->48         started        50 timeout.exe 31->50         started        52 conhost.exe 33->52         started        54 timeout.exe 1 33->54         started        file10 signatures11 process12 signatures13 104 Tries to steal Instant Messenger accounts or passwords 39->104 106 Tries to steal Mail credentials (via file access) 39->106 108 Tries to harvest and steal browser information (history, passwords, etc) 42->108 58 conhost.exe 44->58         started        60 timeout.exe 44->60         started        62 conhost.exe 48->62         started        64 timeout.exe 48->64         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 17:24:06 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
09cf9e7b4f32df0516fd394b6cf91e25951633d6ea74140df6697577111889ab
NanoCore
1778a255b790b18f042384c6ebb3176d3f3f0fd172d313b07242ac42b000132e
NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
3260e8fc7872ff596b2f284a7731619f46311c301be2b04f0910b5f7887b8fb9
NanoCore
6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
NanoCore
74c4b80dac4f93d030f93df8f89b5c5321330a5b28243bd2020eb64f0b3bed62
NanoCore
9dc6752dd96670e64e948fc193015555f6fb75e2c3329342e02d986692d5e66f
NanoCore
b15a2d93ad39a55b90248ef52e7543bfc3268af18225342a67f45061183c13aa
NanoCore
dd5ffc8cf8c384d67b8a0f288b0480abe2edfb1ca5d74f45c255d6e8bf876c02
NanoCore
df0c82790a3c6e0f1280a03ba2bc07e239a8119f8ae9d78108ec0bdfa93d8c36
NanoCore
+ 1'365 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/201203-r5n8sxr3m2/
Behaviour
Delays execution with timeout.exe
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
Checks whether UAC is enabled
Drops startup file
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Modifies WinLogon for persistence
NanoCore
Malware Config
C2 Extraction:
vremenew.ddns.net:83
79.134.225.12:83
Unpacked files
SH256 hash:
ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe
MD5 hash:
6280752b9013b453069afc1e37efeb96
SHA1 hash:
5605e79621b7a4ffc6642fd071fd00022b9b4bf7
Link:
https://www.unpac.me/results/fc291b60-997d-4afa-8562-325a90e0240c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe ab474533900efe36d0a2e49ef696d645d2d93434b72cfaae7c6f7154a7d8abbe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/885995/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/886013/
Cape
Cape
https://www.capesandbox.com/analysis/106647/

Comments