MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 451fc62e32ae8c89838b21fdd32f6513526816033a6b23ddfabcf92bb96ccb8c. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments
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SHA256 hash: 451fc62e32ae8c89838b21fdd32f6513526816033a6b23ddfabcf92bb96ccb8c
SHA3-384 hash: 9a49a61b73779a737137efec5989166675aaf7b2f44e8411cca98c8697f1caa0362e8dfcb7f9724c974bcf847211ab46
SHA1 hash: 0bbdfdcf8a0f2c39c122c1433ea559d3d72a1a36
MD5 hash: b3e8bbf1597131da116db2ba05d28776
humanhash: comet-hot-magnesium-apart
File name:b3e8bbf1597131da116db2ba05d28776.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:924'672 bytes
First seen:2022-04-15 07:09:34 UTC
Last seen:2022-04-20 10:24:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 24576:PvF47yjae4XmGqtb4TMIPnicpNgj9qjiaDWQA:PvjZ4Xm9aTMTKgj969aQ
Threatray 4'645 similar samples on MalwareBazaar
TLSH T12615F140E2A86FA5C439C7F54834D04413FA7B1B297ECA097DFAB4DB4571BC22626E1B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
445
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
b3e8bbf1597131da116db2ba05d28776.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 07:28:13 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/43468d08-5607-4ca9-a7d5-0f9382ef8aa0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/263941/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.30433.27548.4019.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62591a50ffe27d5119d77d69/reports/9cfce05f-7296-4fa5-b434-1ae3d2f792cf/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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a0e216e-50c1-493d-b7df-013e4454450e
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977318
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609804 Sample: 3SEaWza67y.exe Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 37 odi419.duckdns.org 2->37 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 14 other signatures 2->47 8 3SEaWza67y.exe 7 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\YUTRAZpIrxbWd.exe, PE32 8->27 dropped 29 C:\...\YUTRAZpIrxbWd.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp35D5.tmp, XML 8->31 dropped 33 C:\Users\user\AppData\...\3SEaWza67y.exe.log, ASCII 8->33 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 8->49 51 Adds a directory exclusion to Windows Defender 8->51 53 Injects a PE file into a foreign processes 8->53 12 3SEaWza67y.exe 6 8->12         started        17 powershell.exe 25 8->17         started        19 schtasks.exe 1 8->19         started        21 3SEaWza67y.exe 8->21         started        signatures6 process7 dnsIp8 39 odi419.duckdns.org 91.193.75.132, 37189, 49743, 49746 DAVID_CRAIGGG Serbia 12->39 35 C:\Users\user\AppData\Roaming\...\run.dat, data 12->35 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/451fc62e32ae8c89838b21fdd32f6513526816033a6b23ddfabcf92bb96ccb8c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 00:27:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iup4mlrsv2gita4leh65gl3fcnjgqfqdhjvshxp2xt4sxolmzoga._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
28bae65cec413f6c0dcb0df2b34f0a9cb4a53ea246de0fff2baee4a98d8551d2
NanoCore
49fefdfc050c39970be4d41c9e193384f00305940ed6f93d114324533e1b7336
NanoCore
558c3b5d571697ab604649130fd84d0396f116e2d2c2dbbceb57b55f21069717
NanoCore
763d2ce91937159318d0b38f99ac1e32312648e1ea552a91ec153002f5930a24
NanoCore
7cf3e4b3c86d7615a1b3df35f6b7c2bc6bf505323d89257058dfd4e657b4c158
NanoCore
936f549b7738e45378d604a4705b5f44266c1b48c735297bfbf13e409b297bfc
NanoCore
b0b1f27468552599b6e685345007b1fdbea80c2c60a914a01a6e0abdd35fcdf5
NanoCore
+ 4'635 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220415-hzd9jabadl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
odi419.duckdns.org:37189
Unpacked files
SH256 hash:
74e0d0f8652ea721e21d7aaa8c688a9af90162aac1ccf7239883e566b24ea357
MD5 hash:
35222df2affbbd4267fb270f12f20f68
SHA1 hash:
8e467fa2cbd6637d88caae618250447f3b074c84
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/06fd70e5-0cae-4055-867f-e6cd3a40f107/
SH256 hash:
ee996064a8db8f7e6379412d746cd2e08c5423a3f5bf2cdb71deb3efe8e34474
MD5 hash:
9e4ebc9f7363287082b1fac5af823841
SHA1 hash:
6e5657163138300278dd72cf584f5d1920ccbf64
Link:
https://www.unpac.me/results/06fd70e5-0cae-4055-867f-e6cd3a40f107/
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
Link:
https://www.unpac.me/results/06fd70e5-0cae-4055-867f-e6cd3a40f107/
SH256 hash:
f415909a58cb6bd7de2ed1af2c2e740f2793e2ecc47214e9089755b45d53061f
MD5 hash:
b2938216297363e349bad911c6fd05c4
SHA1 hash:
096a745e6740ff438a69568e5f5a3995e07f068c
Link:
https://www.unpac.me/results/06fd70e5-0cae-4055-867f-e6cd3a40f107/
SH256 hash:
451fc62e32ae8c89838b21fdd32f6513526816033a6b23ddfabcf92bb96ccb8c
MD5 hash:
b3e8bbf1597131da116db2ba05d28776
SHA1 hash:
0bbdfdcf8a0f2c39c122c1433ea559d3d72a1a36
Link:
https://www.unpac.me/results/06fd70e5-0cae-4055-867f-e6cd3a40f107/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/451fc62e32ae/report/overview.html
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/451fc62e32ae8c89838b21fdd32f6513526816033a6b23ddfabcf92bb96ccb8c

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_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_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
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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:t0_1
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/263941/

Comments