MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9af289539220aa9124fcdec1513a1ffb5b9b829bdcc015d0b2e83cef254a6bf5. 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: 9


Intelligence 9 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9af289539220aa9124fcdec1513a1ffb5b9b829bdcc015d0b2e83cef254a6bf5
SHA3-384 hash: d7632552bb1adc5e3d00bf4af383b38558903b5cf1fbdd50a2f8a8efa3550b5f20b3a4b02a94bd61efe5eb3875018555
SHA1 hash: 40218e532429d719802df242302743e5e74313c2
MD5 hash: 64d8d7dab819eab44675956f4768de03
humanhash: eight-fix-ack-leopard
File name:RECIBO DE PAGO.scr.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:37'888 bytes
First seen:2022-06-16 17:12:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:Gptc2fS6e3bTif8dbj2uoVrd3H/b0GNRZcRvfx6l5WOQ5kM5C:GpyCS6e3bo8dv2uoV9fJkHm5WOaA
TLSH T1F803D08157D58730C9750F3BBC73678456B5F706E482DADA228C246F9DA7361002AB9F
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)
File icon (PE):PE icon
dhash icon b2909696969ef66a (5 x RemcosRAT, 3 x NanoCore, 2 x njrat)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
91.92.120.183:705

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.92.120.183:705 https://threatfox.abuse.ch/ioc/715017/

Intelligence

File Origin
# of uploads :
1
# of downloads :
371
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/280765/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Launching a process
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ab64bf6ca90a5b22c65d6f/reports/c46ebd14-b6da-41c7-a504-8673c0d5dcc3/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d86dd5f5-4aac-47e4-bea6-e37dfa09adcd
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014708
Signature
.NET source code contains potential unpacker
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 647204 Sample: RECIBO DE PAGO.scr.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 68 ayranger8.ddns.net 2->68 76 Snort IDS alert for network traffic 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Sigma detected: NanoCore 2->80 82 9 other signatures 2->82 8 RECIBO DE PAGO.scr.exe 16 7 2->8         started        13 Oyazzv.exe 14 4 2->13         started        15 Oyazzv.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 dnsIp5 74 ayranger8.ddns.net 91.92.120.183, 49758, 49810, 49816 INETLTDTR Cyprus 8->74 62 C:\Users\user\AppData\Roaming\...\Oyazzv.exe, PE32 8->62 dropped 64 C:\Users\user\...\Oyazzv.exe:Zone.Identifier, ASCII 8->64 dropped 66 C:\Users\user\...\RECIBO DE PAGO.scr.exe.log, ASCII 8->66 dropped 86 Writes to foreign memory regions 8->86 88 Injects a PE file into a foreign processes 8->88 19 InstallUtil.exe 1 11 8->19         started        24 cmd.exe 1 8->24         started        26 powershell.exe 16 8->26         started        90 Machine Learning detection for dropped file 13->90 28 cmd.exe 13->28         started        30 powershell.exe 13->30         started        32 InstallUtil.exe 13->32         started        34 cmd.exe 15->34         started        38 2 other processes 15->38 36 conhost.exe 17->36         started        file6 signatures7 process8 dnsIp9 70 ayranger8.ddns.net 19->70 72 192.168.2.1 unknown unknown 19->72 58 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->58 dropped 60 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->60 dropped 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->84 40 conhost.exe 24->40         started        42 timeout.exe 1 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 timeout.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 34->52         started        54 timeout.exe 34->54         started        56 conhost.exe 38->56         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9af289539220aa9124fcdec1513a1ffb5b9b829bdcc015d0b2e83cef254a6bf5/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 17:13:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tlzisu4secvjcjh433avcoq77nnzxau33tablufs5a6o6jkknp2q._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220616-vrdn9agcbl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
ayranger8.ddns.net:705
Unpacked files
SH256 hash:
9af289539220aa9124fcdec1513a1ffb5b9b829bdcc015d0b2e83cef254a6bf5
MD5 hash:
64d8d7dab819eab44675956f4768de03
SHA1 hash:
40218e532429d719802df242302743e5e74313c2
Link:
https://www.unpac.me/results/91d92ea4-fa62-4d4d-95da-2a2f55d1a31e/
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/9af289539220aa9124fcdec1513a1ffb5b9b829bdcc015d0b2e83cef254a6bf5

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.

Cape
Cape
https://www.capesandbox.com/analysis/280765/

Comments