MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b
SHA3-384 hash: eb1a3e22dc5af09de8577f4c4400e5c5e797b3d1d3ec29181d17dba95ddf21a56ceefba263231d0498ca4b63c1d80b73
SHA1 hash: 8e416c76489782a32eade1b03bcd26dce3f19a82
MD5 hash: d40d97b41a353bc42b0e7ebe451886d9
humanhash: comet-juliet-fix-orange
File name:TNT SHIPMENT AWB_IMAGE CI_FROM TNT AWB# 167095453_PDF_________.EXE
Download: download sample
Signature NanoCore
Create hunting rule
File size:542'720 bytes
First seen:2021-01-22 06:23:07 UTC
Last seen:2021-01-22 08:24:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 50cdb1b392e09bc322ca35e8f4935cd6 (3 x Loki, 1 x SnakeKeylogger, 1 x NanoCore)
ssdeep 6144:qJa6HhHoWXBuRPh6DnN+2gUFKLpGbNLpvlKK01gBxF8uUzeSg2ZDqnB8lRBYc:YlZYRsLN4cKLpGbNTjDF8u8JvKBkTj
Threatray 1'927 similar samples on MalwareBazaar
TLSH 60B4E040F692D039DD7709FA0F84EE6195F83D6A67266407BFDE2A9E03741C06262F27
Reporter cocaman
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
4
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TNT SHIPMENT AWB_IMAGE CI_FROM TNT AWB# 167095453_PDF_________.EXE
Verdict:
Malicious activity
Analysis date:
2021-01-22 06:24:47 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/1a649b25-570f-4b5d-8d63-6afd5f135f38

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/114576/
Detection(s):
PUA.Win.Adware.Bang5mai-6804572-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/587998
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 343026 Sample: TNT SHIPMENT  AWB_IMAGE CI_... Startdate: 22/01/2021 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 12 other signatures 2->54 8 TNT SHIPMENT  AWB_IMAGE CI_FROM TNT AWB# 167095453_PDF_________.EXE 1 2->8         started        11 dhcpmon.exe 4 2->11         started        13 dhcpmon.exe 3 2->13         started        15 MSBuild.exe 2 2->15         started        process3 signatures4 58 Writes to foreign memory regions 8->58 60 Maps a DLL or memory area into another process 8->60 17 MSBuild.exe 1 12 8->17         started        22 conhost.exe 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        28 conhost.exe 15->28         started        process5 dnsIp6 44 mimi121.duckdns.org 91.193.75.155, 49737, 49738, 49741 DAVID_CRAIGGG Serbia 17->44 46 192.168.2.1 unknown unknown 17->46 38 C:\Users\user\AppData\Roaming\...\run.dat, data 17->38 dropped 40 C:\Users\user\AppData\Local\...\tmp731A.tmp, XML 17->40 dropped 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 17->42 dropped 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->56 30 schtasks.exe 1 17->30         started        32 schtasks.exe 1 17->32         started        file7 signatures8 process9 process10 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 17:10:15 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
16 of 27 (59.26%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eo2guewww2tqhohfrdje6paaddhxjfkwwaq3kffzmnmh46w2ujnq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
NanoCore
4f0035201ba7a3a536727862b8ac8dbf389038c5af1674ff7a982190fed1e30b
NanoCore
644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
NanoCore
6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
NanoCore
db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
NanoCore
dca09e669f01dcc5efa9ab9120ce3febd53868b3ba12a6e0b4574b82b3d0e392
NanoCore
e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
ee0d34b4e09bd177ff94fcc70278b8b6eb95516d20ca22eed1682dc0a4bb03ff
NanoCore
f4bf592fde78af7ed0b06166ac8265d7b65a2457b9a61f12c2e3a4fad641ac19
NanoCore
+ 1'917 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210122-svjybcysh2/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
mimi121.duckdns.org:5090
Unpacked files
SH256 hash:
23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b
MD5 hash:
d40d97b41a353bc42b0e7ebe451886d9
SHA1 hash:
8e416c76489782a32eade1b03bcd26dce3f19a82
Link:
https://www.unpac.me/results/54a05a45-6c44-4949-8054-4ffa60c491d0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b

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
Create hunting rule
Author:jeFF0Falltrades
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

iso 767947b5791642695364324b758623f9eba98e1485f37306d7638fb26b37fcb0

NanoCore

Executable exe 23b46a12d6b6a703b8e588d24f3c0018cf749556b021b514b963587e7adaa25b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 767947b5791642695364324b758623f9eba98e1485f37306d7638fb26b37fcb0
Cape
Cape
https://www.capesandbox.com/analysis/114576/

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