MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41. 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 18 File information Comments
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SHA256 hash: 432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41
SHA3-384 hash: df927221479817e994b66470f2f1ed295c834ac104330267dfb1c980fcd463a7efb0d27fcc4b5a0fb8043ff84dd07ce7
SHA1 hash: f13e7ce37bb23345b364eec5ea4bd0b891140cef
MD5 hash: f7f0a9f53344fcbcfe587f4a42cad566
humanhash: twelve-orange-washington-seven
File name:CV.pdf.iso
Download: download sample
Signature NanoCore
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File size:747'520 bytes
First seen:2023-12-12 14:53:53 UTC
Last seen:2023-12-12 15:01:52 UTC
File type: iso
MIME type:application/x-iso9660-image
ssdeep 12288:JTVY+4WpAEAy7V9LaUDyEKmhY7+YPHNkU3U0SIc/j6MuPlzX1cscfF:NpAEXbDyEXW+Y+UkymuNb1cL9
TLSH T108F4F1477A2C2B0FD29947B2B8314270437AAF571661E588BCDDFE9E077275C6A022D3
TrID 88.5% (.NULL) null bytes (2048000/1)
11.0% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.2% (.ATN) Photoshop Action (5007/6/1)
0.1% (.ISO) ISO 9660 CD image (2545/36/1)
0.0% (.BIN/MACBIN) MacBinary 1 (1033/5)
Reporter cocaman
Tags:iso NanoCore


Avatar
cocaman
Malicious email (T1566.001)
From: "Alonso, Nilda <NildaAlonso@miamibeachfl.gov>" (likely spoofed)
Received: "from miamibeachfl.gov (unknown [141.98.10.101]) "
Date: "12 Dec 2023 13:48:43 +0100"
Subject: "CV"
Attachment: "CV.pdf.iso"

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
CH CH
File Archive Information

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

File name:CV.pdf.exe
File size:685'568 bytes
SHA256 hash: 020e75bba53b32452b70c2796aabfd51dbd2c82380bf138158ad590d9db1df72
MD5 hash: e308ed21e710e89266a4ba2661fa00b5
MIME type:application/x-dosexec
Signature NanoCore
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilISO.RunningOutOfTime.20220616.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
context-iso hook keylogger masquerade packed
Link:
https://www.filescan.io/uploads/657874148b5ba47db2e02a33/reports/a0e3ea5a-edfc-478a-b661-f9c93c04a859/overview
Verdict:
Malicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41/
Threat name:
ByteCode-MSIL.Trojan.DarkStealerLoader
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Status:
Malicious
First seen:
2023-12-12 15:01:57 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=imwquyikedbq44xa6gf5lz62uw3zzaqwiiqvq5pilywz57krfjaq._file
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:nanocore family:zgrat evasion keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/231212-s1b6nsfecn/
Behaviour
Creates scheduled task(s)
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 whether UAC is enabled
Checks computer location settings
Detect ZGRat V1
NanoCore
ZGRat
Malware Config
C2 Extraction:
91.92.248.208:8967
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41

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
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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
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Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
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Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
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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:SUSP_EXE_in_ISO
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects ISO files that contains an Exe file. Does not need to be malicious
Reference:Internal Research
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

iso 432d0a610a20c30e72e0f18bd5e7daa5b79c821642215875e85e2d9efd512a41

(this sample)

NanoCore

Executable exe 020e75bba53b32452b70c2796aabfd51dbd2c82380bf138158ad590d9db1df72

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 020e75bba53b32452b70c2796aabfd51dbd2c82380bf138158ad590d9db1df72
  
Dropping
NanoCore

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