MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de. 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 YARA 23 File information Comments

SHA256 hash:	1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de
SHA3-384 hash:	a70afd82d8632c692fd97fa5c2d0c6a5bfe1f44d870e31ac3543add84a5d807a5b862b73bc3664fcd1e76dbc08abe99d
SHA1 hash:	ec98f9df305a2457ca10cf06fc81cfdfbe71ee8d
MD5 hash:	393f8c5c07414f4ba377334d4346615a
humanhash:	neptune-tango-fruit-snake
File name:	P I copy.docs.x.zip
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	640'592 bytes
First seen:	2025-02-03 08:20:02 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:7ofWsWFoBpMvqzHS4DGHR3BxLZKJeNu4KSCzBwzh37gAAwL5MjbIBgGHj:7iWk7JsBzLmNJw137gswbIBgGD
TLSH	T1AED4239E481755BB6D1933D61961C08ECEDB432301B55C261DB8942E2B826EF7B3F07B
Magika	zip
Reporter	cocaman
Tags:	INVOICE NanoCore zip

cocaman

Malicious email (T1566.001)
From: "Muthukrishnan, Manikandan <manikandan.mkrishnan@dbschenker.com>" (likely spoofed)
Received: "from 62-210-14-191.rev.poneytelecom.eu (62-210-14-191.rev.poneytelecom.eu [62.210.14.191]) "
Date: "2 Feb 2025 22:43:38 -0800"
Subject: "Proforma invoice"
Attachment: "P I copy.docs.x.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

449

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	P I copy.docs.x.exe
File size:	718'336 bytes
SHA256 hash:	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44
MD5 hash:	87e76b3ab65fafd1506f411841c73e94
MIME type:	application/x-dosexec
Signature	NanoCore

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.32487.26196.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a0537551193558eb19220e

Tags:

micro sage remo

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67a07c42d5f62a1c6292fb17/reports/a9c5525e-09b4-4614-b321-ed06f9b9efb7/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/250203-lh895ayrck/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

NanoCore

Nanocore family

Malware Config

C2 Extraction:

91.92.240.88:2777

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/1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de

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:	ach_NanoCore Create hunting rule
Author:	abuse.ch

Rule name:	malware_Nanocore_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Nanocore in memory
Reference:	internal research

Rule name:	MALWARE_Win_NanoCore Create hunting rule
Author:	ditekSHen
Description:	Detects NanoCore

Rule name:	Nanocore Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Nanocore in memory
Reference:	internal research

Rule name:	nanocore_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Nanocore_RAT_Feb18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Nanocore RAT
Reference:	Internal Research - T2T

Rule name:	Nanocore_RAT_Feb18_1_RID2DF1 Create hunting rule
Author:	Florian Roth
Description:	Detects Nanocore RAT
Reference:	Internal Research - T2T

Rule name:	Nanocore_RAT_Gen_2 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detetcs the Nanocore RAT
Reference:	https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/

Rule name:	Nanocore_RAT_Gen_2_RID2D96 Create hunting rule
Author:	Florian Roth
Description:	Detetcs the Nanocore RAT
Reference:	https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

Rule name:	Suspicious_Latam_MSI_and_ZIP_Files Create hunting rule
Author:	eremit4, P4nd3m1cb0y
Description:	Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Trojan_Nanocore_d8c4e3c5 Create hunting rule
Author:	Elastic Security

Rule name:	win_nanocore_w0 Create hunting rule
Author:	Kevin Breen <kevin@techanarchy.net>

File information

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

Malspam

NanoCore

zip 1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de

(this sample)

NanoCore

exe e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44

Delivery method

Distributed via e-mail attachment

Dropping

SHA256 e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44

Dropping

NanoCore

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