MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04
SHA3-384 hash: c3d0a1c13b2deb1fe7a495849bd6e83c92d55edeab3f04de3e023b24565e3b61641a616bf84c07cff1e3c51925cd192c
SHA1 hash: 5cc1c21ba729d41e50b2801590d476cd3f888611
MD5 hash: 456ac5539ae5230235270dbfaea4f0fd
humanhash: glucose-vegan-beryllium-helium
File name:456ac5539ae5230235270dbfaea4f0fd.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:720'896 bytes
First seen:2022-08-15 16:07:56 UTC
Last seen:2022-08-15 16:49:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:WCPPRSd6ulQUlNEJCDSXpRh+M9KSPd+MIy1rM2TgyFmki9bF:ZPZvuTSLh+M9KM+MhxgUk
TLSH T1CFE4DF9F2E9C5616CC3A07B4ECAD11806BF17DA53602E6DE6CA370D7C0B239C4798E56
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
456ac5539ae5230235270dbfaea4f0fd.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 16:12:38 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/845e5bca-4d4d-4bd4-8a22-54d0174a2eea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/298770/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.25303.2661.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa6fb0e456f39ac94ca664/reports/c81e53bc-767e-4bab-9574-bc83936f02e1/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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/09b2a514-481a-404d-89cd-0df85b7a56ec
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051689
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
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 Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 684201 Sample: 6hq2HD4w1a.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 54 tzitziklishop.ddns.net 2->54 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 12 other signatures 2->64 9 6hq2HD4w1a.exe 3 2->9         started        13 dhcpmon.exe 2 2->13         started        15 dhcpmon.exe 3 2->15         started        17 6hq2HD4w1a.exe 2 2->17         started        signatures3 process4 file5 52 C:\Users\user\AppData\...\6hq2HD4w1a.exe.log, ASCII 9->52 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 9->68 70 Injects a PE file into a foreign processes 9->70 19 6hq2HD4w1a.exe 1 16 9->19         started        24 dhcpmon.exe 13->24         started        26 dhcpmon.exe 13->26         started        28 dhcpmon.exe 13->28         started        30 dhcpmon.exe 13->30         started        32 dhcpmon.exe 15->32         started        34 6hq2HD4w1a.exe 2 17->34         started        signatures6 process7 dnsIp8 56 tzitziklishop.ddns.net 163.123.143.143, 1665, 49771, 49813 ILIGHT-NETUS Reserved 19->56 44 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->44 dropped 46 C:\Users\user\AppData\Roaming\...\run.dat, International 19->46 dropped 48 C:\Users\user\AppData\Local\...\tmpB6B5.tmp, XML 19->48 dropped 50 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->50 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 36 schtasks.exe 1 19->36         started        38 schtasks.exe 1 19->38         started        file9 signatures10 process11 process12 40 conhost.exe 36->40         started        42 conhost.exe 38->42         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 10:38:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=up54wfr4ur6dklxzs23lil7mnkroradtx6zhtwcrbq7rutchfmca._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220815-tk8qdachcl/
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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
tzitziklishop.ddns.net:1665
127.0.0.1:1665
Unpacked files
SH256 hash:
ab38f7bf5b1f8f4687466ec729c211face56e831d5505488f7c983516d176959
MD5 hash:
1b4f419d1000e61e454717f4ff5270af
SHA1 hash:
7722b761bcfe0496f1d7293ea9e6c5240e875814
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
SH256 hash:
89720ac10963782d13338de6f01ab8be0cadf2b2f1cc2461a65afbba5c927f74
MD5 hash:
53227f82e55d0d6400c85c26c0969b6a
SHA1 hash:
679ba6989ab4be0b8545dbde5024b264b447daf6
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
Parent samples :
4e719241a14dca15cebf312a94aa1ce53a5e4facd0ddca1983438383e6508361
c76d19ead80b34538d91b22577283779835819650a7c9d3e8acb8e334cd85f0c
52adc5601a925b379d660e98c6fc79e94901238f81151f02558ee8a103bbaee5
6261cd69ea54e3b007e8c74ea7f7151b6a3be1fac52c8a8b10b46051d2dca882
6e1af0621a99dc0a7a3694a2f585e4d45f6644e6b67ceea311b493f9d5570b4c
e1ee64f883461b2467c9ba0efb86934add2505f1e230126a12d835a796d2f869
a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04
a5063a496eadc30183a7dc46e7e09cf75a4527c6b3c6cf148faaaaf3b5df9ae6
8af06da5a7cc1783964504a07e86fddec110322a9153e6ce034b8fbf688039f0
771088b4c7a646b7f6f7d2d73948923f15dce833d33891889585996b5e2e3290
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
SH256 hash:
18c213a3f11f14b9685bd618aeef36ab98e099c1b3cf5e87c2879e769d379907
MD5 hash:
10580533a35fcba20b5678bb2f83a038
SHA1 hash:
162400df7dcf55055bbd776370a1f8ec02989974
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
SH256 hash:
a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04
MD5 hash:
456ac5539ae5230235270dbfaea4f0fd
SHA1 hash:
5cc1c21ba729d41e50b2801590d476cd3f888611
Link:
https://www.unpac.me/results/432bb396-85b4-42d3-baff-f8c019726cf9/
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/a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

NanoCore

Executable exe a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2262146/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/298770/

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