MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87998a64140ded1fd1522422c2e914d86031857b099ee1f78243cce424ce4ceb. 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: 8


Intelligence 8 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87998a64140ded1fd1522422c2e914d86031857b099ee1f78243cce424ce4ceb
SHA3-384 hash: bb9525910152231cad7052c261f8c9553f13068704c66acf912134ad210070ad20da6a53c49d1ec74a8586b22c4bda42
SHA1 hash: 9f6edfef71745f574edae8bbd07ccb5d85c8d6b7
MD5 hash: cd6f2437848bcbc5848a0d7f0cc27710
humanhash: bulldog-illinois-cup-one
File name:REMI-098765-09876545IY.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:842'752 bytes
First seen:2022-07-14 04:00:39 UTC
Last seen:2022-07-14 09:55:30 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:jdzbJnDQL/Ra2IXi0z+Ly5Om/WoPafCuDv09joJ8g:jdzFnDERmi0PaLv09jY8g
TLSH T1830505A627928D6DE5DC76FA4311B26227B1A893F4F0E7544D4B7DE00B6AE01CD30BC6
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 :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/287835/
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
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62cf950401fde6ede6812bcf/reports/afc79c4e-d0e5-4d37-84ae-f8f9e8e453a4/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/c04c52f0-66d9-4b77-b325-e0669589fffe
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1032325
Signature
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)
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: 664819 Sample: REMI-098765-09876545IY.exe Startdate: 15/07/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 6 other signatures 2->49 7 REMI-098765-09876545IY.exe 15 3 2->7         started        process3 dnsIp4 41 www.google.com 172.217.16.196, 443, 49715 GOOGLEUS United States 7->41 31 C:\Users\...\REMI-098765-09876545IY.exe.log, ASCII 7->31 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->51 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 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 C:\Users\user\...\WQOI-098765-09876545IY.exe, PE32 15->33 dropped 35 WQOI-098765-098765...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 39 192.168.2.1 unknown unknown 18->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87998a64140ded1fd1522422c2e914d86031857b099ee1f78243cce424ce4ceb/
Threat name:
ByteCode-MSIL.Trojan.Pretoria
Create hunting rule
Status:
Malicious
First seen:
2022-07-14 02:50:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
59
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6myuzaubxwr7ukseqrmf2iu3bqddbl3bgpod54cipgoijgojtvq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/220714-elaseafdf7/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
87998a64140ded1fd1522422c2e914d86031857b099ee1f78243cce424ce4ceb
MD5 hash:
cd6f2437848bcbc5848a0d7f0cc27710
SHA1 hash:
9f6edfef71745f574edae8bbd07ccb5d85c8d6b7
Link:
https://www.unpac.me/results/939b9133-3ba6-4e65-83ce-249fc903dfaa/
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/87998a64140ded1fd1522422c2e914d86031857b099ee1f78243cce424ce4ceb

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/287835/

Comments