MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9. 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 17 File information Comments
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SHA256 hash: 62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9
SHA3-384 hash: b42fa2d1bf3416d6649a85452e81194dd59decf5b16b6b1e97db473005443351d239e4be7a57a6d20d7168829724c125
SHA1 hash: 16e83930abc3236d2954277a860f0cc4057cbf44
MD5 hash: b9ff56932963babf8acf628bb6d33daf
humanhash: oranges-uniform-bulldog-hydrogen
File name:b9ff56932963babf8acf628bb6d33daf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:344'987 bytes
First seen:2023-10-16 04:20:24 UTC
Last seen:2023-10-16 04:37:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:XYa6jYn1Nm759AXIdj4+cBqenibqUVd0TA3qPp8EbfrFFV6:XYJYnfmV9AXs0qexUvUaEbjnk
Threatray 1'625 similar samples on MalwareBazaar
TLSH T12074223025E5D4B2E97302750E7B235ABBE7E2112475BBABE3007A663B1A1C5DD0D363
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0410616969790840 (3 x RemcosRAT, 2 x Formbook, 2 x AgentTesla)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
95.214.27.6:4984

Intelligence

File Origin
# of uploads :
2
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
b9ff56932963babf8acf628bb6d33daf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 04:21:08 UTC
Tags:
nanocore rat remote
Link:
https://app.any.run/tasks/820fa3ce-60aa-452a-9858-664d757f69d3

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/454668/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24945.9445.8806.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Sending a custom TCP request
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer lokibot lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/652cba30d9aa1327018407ce/reports/fea13938-6f2f-46b2-90b8-cc5b6e15fa1d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9
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/d841109a-e589-43c1-ab9b-cb46c2079981
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1326145
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1326145 Sample: TxXOdE7O1L.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 11 other signatures 2->48 7 TxXOdE7O1L.exe 1 20 2->7         started        11 DLLs.exe 18 2->11         started        13 DLLs.exe 18 2->13         started        process3 file4 28 C:\Users\user\AppData\Roaming\...\DLLs.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\...\zsflnqaloe.dll, PE32 7->30 dropped 50 Detected unpacking (changes PE section rights) 7->50 52 Detected unpacking (creates a PE file in dynamic memory) 7->52 54 Detected unpacking (overwrites its own PE header) 7->54 15 TxXOdE7O1L.exe 9 7->15         started        32 C:\Users\user\AppData\...\zsflnqaloe.dll, PE32 11->32 dropped 56 Multi AV Scanner detection for dropped file 11->56 58 Detected Nanocore Rat 11->58 60 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->60 20 DLLs.exe 3 11->20         started        34 C:\Users\user\AppData\...\zsflnqaloe.dll, PE32 13->34 dropped 62 Maps a DLL or memory area into another process 13->62 22 DLLs.exe 2 13->22         started        signatures5 process6 dnsIp7 36 sicoslanderfamilydog.gleeze.com 95.214.27.6, 49712, 49714, 49716 CMCSUS Germany 15->36 26 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 15->26 dropped 38 Detected Nanocore Rat 15->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->40 24 dw20.exe 22 12 15->24         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9/
Threat name:
Win32.Trojan.Nemesis
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Status:
Malicious
First seen:
2023-10-08 15:53:02 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mlc7wxsiswr5ufjcndsuv3gkgfblboupd5pu3uk3jijxi4cj234q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
4635920e78112660335f3ee1a05290b0fc174787a0e4532a029983e02179ad0b
NanoCore
6056ddf4fd5f58f421883da0176a32cbad5458c80d33e1e0d4f1ddcf28f6d21d
NanoCore
6fe55b655fc4cd3b51c813e38df4416675ae81ab0cd303e15f591fd74846f9de
NanoCore
87f26bbe201d7f76fff5ae536708f3f7f18dec22e1b3424923429a54b452b29b
NanoCore
a335c9ad21f67b44232a6f31f5605b013167628f63e7e00a3fc840a8ab9afc73
NanoCore
d3a2000ec18ab94aa8dbb5eef9360c6048ea3066d165fba1d9ca219ba5780385
NanoCore
e844192fb4c52758db729e18e8898fe0921bdbe1e2d3ac3da6a6b5d2cedecb71
NanoCore
+ 1'615 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231016-eypr4abe3x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
sicoslanderfamilydog.gleeze.com:4984
Unpacked files
SH256 hash:
e2e15e6c5091a11b5f190cc3dc8c93ba021aca681431f08c71a1fd9a91a53e83
MD5 hash:
6c2cc6f80ff81736cdeabfe466b6eeb8
SHA1 hash:
718911bf9f1e33da33781809dee4e6ed61d97785
Link:
https://www.unpac.me/results/bff9ebe0-5ecf-4488-b940-a9532f25f122/
SH256 hash:
62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9
MD5 hash:
b9ff56932963babf8acf628bb6d33daf
SHA1 hash:
16e83930abc3236d2954277a860f0cc4057cbf44
Link:
https://www.unpac.me/results/bff9ebe0-5ecf-4488-b940-a9532f25f122/
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/62c5fb5e4895a3da152268e54aecca3142b0ba8f1f5f4dd15b4a13747049d6f9

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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 (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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/454668/

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