MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 906498b38354a7c5a1987ea505114dfd4ef1fe177c92c219af290ada37e3581d. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 906498b38354a7c5a1987ea505114dfd4ef1fe177c92c219af290ada37e3581d
SHA3-384 hash: 11fc9fad882a14efb5aa90a33f059cb0171061481122c34813bd3c341b7545797433785a5d4803548f7c77cd82efee5c
SHA1 hash: 9f43c0ec4f1efc59bde96ab5c5c8f402b465e587
MD5 hash: 41290473bc4dfb28c82ad96c6b5c737a
humanhash: jig-fish-india-sink
File name:ETEP-04987653435673-0938765432356839286.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:833'024 bytes
First seen:2022-07-14 02:40:36 UTC
Last seen:2022-07-14 04:14:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:CQNdzbJnDQL/Ra2IXW0z+Ly5Om/WoPafCuDvF7NjE4i:CQNdzFnDERmW0PaLvBNjE4i
TLSH T1C305F4A213928D79E5EC72FA2301B16127B1A993F4F1E7164D4B7DE52B5AE01CD30BC2
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 c4a292b2a0c686ec (2 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
91.193.75.134:6561

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.193.75.134:6561 https://threatfox.abuse.ch/ioc/824406/

Intelligence

File Origin
# of uploads :
3
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
ETEP-04987653435673-0938765432356839286.exe
Verdict:
Malicious activity
Analysis date:
2022-07-14 02:44:51 UTC
Tags:
nanocore
Link:
https://app.any.run/tasks/75283fcb-6604-4ae6-a6e7-6b1467521efd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/287742/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Pretoria.1.11697.7710.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62cf823f8dab2096b9971248/reports/35bc7620-3891-4e77-b918-9544de72b773/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/c887de33-0902-431d-9751-b64eb9b0f5fc
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1030930
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Drops PE files to the document folder of the user
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 663426 Sample: ETEP-04987653435673-0938765... Startdate: 14/07/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 6 other signatures 2->47 7 ETEP-04987653435673-0938765432356839286.exe 15 3 2->7         started        process3 dnsIp4 39 www.google.com 172.217.16.196, 443, 49750 GOOGLEUS United States 7->39 31 ETEP-0498765343567...32356839286.exe.log, ASCII 7->31 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->49 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 51 Drops PE files to the document folder of the user 12->51 53 Uses ping.exe to sleep 12->53 55 Uses ping.exe to check the status of other devices and networks 12->55 18 PING.EXE 1 12->18         started        21 conhost.exe 12->21         started        23 reg.exe 1 1 12->23         started        33 ETEP-0498765343567...765432356839286.exe, PE32 15->33 dropped 35 ETEP-0498765343567...exe:Zone.Identifier, ASCII 15->35 dropped 25 conhost.exe 15->25         started        27 PING.EXE 1 15->27         started        29 PING.EXE 1 15->29         started        signatures9 process10 dnsIp11 37 127.0.0.1 unknown unknown 18->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/906498b38354a7c5a1987ea505114dfd4ef1fe177c92c219af290ada37e3581d/
Threat name:
ByteCode-MSIL.Packed.Pretoria
Create hunting rule
Status:
Malicious
First seen:
2022-07-14 01:54:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
59
AV detection:
10 of 41 (24.39%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sbsjrm4dkst4limyp2sqkekn7vhpd7qxpsjmegnpfefnun7dlaoq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/220714-c6e7hsaahr/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Unpacked files
SH256 hash:
906498b38354a7c5a1987ea505114dfd4ef1fe177c92c219af290ada37e3581d
MD5 hash:
41290473bc4dfb28c82ad96c6b5c737a
SHA1 hash:
9f43c0ec4f1efc59bde96ab5c5c8f402b465e587
Link:
https://www.unpac.me/results/0f179ffc-0bbe-4d99-9c8f-35d63dc44ac3/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/906498b38354/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/906498b38354a7c5a1987ea505114dfd4ef1fe177c92c219af290ada37e3581d

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/287742/

Comments