MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7926f37cb45c730b9fa347b9e605d1b8e6a055b97f335bf8f1ea99e953fc94da. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7926f37cb45c730b9fa347b9e605d1b8e6a055b97f335bf8f1ea99e953fc94da
SHA3-384 hash: 440f5b1e8cd71d0e6460352a5188d5834f13813f40dce592d42cd5a3b0646e7551ccafdcc8819f082c70831b2ad38c69
SHA1 hash: 8ff6cd28523acabe595252b16ca40488ba6fbd05
MD5 hash: 3bf4aee6d19b399a547595664aafe05b
humanhash: equal-fix-finch-mike
File name:parcels.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:475'136 bytes
First seen:2020-07-29 14:27:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:8/pcy7kEpp3tBHk9aE0BOt2UX7xqD3qhqCoj9iGltk4Uhc7HQpU:8hj7kCdtByaVbmQDahqzTtlUhSH
Threatray 1'190 similar samples on MalwareBazaar
TLSH CEA46B029FB6DE6BC3EE6ABF48647C101F2C9E864CA37795125CB074FDB3A41C909586
Reporter abuse_ch
Tags:DHL exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: saimx.cartrack.com
Sending IP: 196.30.182.42
From: DHL International GmbH <ruth.tan@cartrack.com>
Subject: DHL EXPRESS PO#R2020416***** ARRIVAL NOTICE!
Attachment: parcels.pdf.z (contains "parcels.exe")

NanoCore RAT C2:
salespaul.hopto.org:9036 (185.165.153.26)

Pointing to nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34977/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.69084.10159.30469.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402725
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
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)
Maps a DLL or memory area into another process
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253702 Sample: parcels.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 83 g.msn.com 2->83 85 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->85 99 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->99 101 Found malware configuration 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 8 other signatures 2->105 15 parcels.exe 3 2->15         started        19 RegAsm.exe 2 2->19         started        signatures3 process4 file5 79 C:\Users\user\AppData\Roaming79one, PE32 15->79 dropped 81 C:\Users\user\...81one:Zone.Identifier, ASCII 15->81 dropped 91 Maps a DLL or memory area into another process 15->91 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->93 21 parcels.exe 15->21         started        25 RegAsm.exe 12 15->25         started        28 RegAsm.exe 15->28         started        30 RegAsm.exe 15->30         started        32 conhost.exe 19->32         started        signatures6 process7 dnsIp8 87 192.168.2.1 unknown unknown 21->87 111 Maps a DLL or memory area into another process 21->111 34 parcels.exe 21->34         started        37 RegAsm.exe 2 21->37         started        89 salespaul.hopto.org 185.165.153.26, 49720, 9036 DAVID_CRAIGGG Netherlands 25->89 75 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 25->75 dropped 77 C:\Users\user\AppData\Local\...\tmpBB77.tmp, XML 25->77 dropped 113 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->113 39 schtasks.exe 1 25->39         started        file9 signatures10 process11 signatures12 97 Maps a DLL or memory area into another process 34->97 41 parcels.exe 34->41         started        44 RegAsm.exe 2 34->44         started        46 conhost.exe 39->46         started        process13 signatures14 115 Maps a DLL or memory area into another process 41->115 48 parcels.exe 41->48         started        51 RegAsm.exe 41->51         started        process15 signatures16 95 Maps a DLL or memory area into another process 48->95 53 parcels.exe 48->53         started        56 RegAsm.exe 48->56         started        process17 signatures18 109 Maps a DLL or memory area into another process 53->109 58 parcels.exe 53->58         started        61 RegAsm.exe 53->61         started        process19 signatures20 117 Maps a DLL or memory area into another process 58->117 63 parcels.exe 58->63         started        66 RegAsm.exe 58->66         started        process21 signatures22 119 Maps a DLL or memory area into another process 63->119 68 parcels.exe 63->68         started        71 RegAsm.exe 63->71         started        process23 signatures24 107 Maps a DLL or memory area into another process 68->107 73 RegAsm.exe 68->73         started        process25
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7926f37cb45c730b9fa347b9e605d1b8e6a055b97f335bf8f1ea99e953fc94da/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 14:29:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=petpg7fulrzqxh5di646mborxdtkavnzp4zvx6hr5km6su74stna._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'180 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200729-wm9zdwvbje/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
Stops running service(s)
Blacklisted process makes network request
Executes dropped EXE
Modifies Windows Defender Real-time Protection settings
Process spawned unexpected child process
NanoCore
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/7926f37cb45c730b9fa347b9e605d1b8e6a055b97f335bf8f1ea99e953fc94da

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
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
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
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

z 208c8d3d035c56c2769c5a535d939ec67aa657522324d757ca8b3663d604684e

NanoCore

Executable exe 7926f37cb45c730b9fa347b9e605d1b8e6a055b97f335bf8f1ea99e953fc94da

(this sample)

  
Dropped by
MD5 c8894606fae22da5dc89bc46abfa47de
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34977/
  
Dropped by
SHA256 208c8d3d035c56c2769c5a535d939ec67aa657522324d757ca8b3663d604684e

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