MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b. 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: 18


Intelligence 18 IOCs 1 YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b
SHA3-384 hash: 1b54be7a72e40979fe044f666947bd8fd1d28503d777fc0de4f03e881c55e843c1c5fb8804bfdb37a625f77ee2690fbc
SHA1 hash: f362a9be8a825e0940c18fe9139c2517f6728575
MD5 hash: 84c86b461afe2a2a02392beee58313e1
humanhash: undress-sweet-butter-fix
File name:84c86b461afe2a2a02392beee58313e1
Download: download sample
Signature NanoCore
Create hunting rule
File size:365'729 bytes
First seen:2022-10-12 04:46:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmC8pMv7OibcWkF+MeXbYpBpMqEVv138KeHMk7mP/9so2UL0dNCjJfGLR0:HNljJERMyEpNEVvcgwdNCjtGS
Threatray 19'468 similar samples on MalwareBazaar
TLSH T19774230826B8C0A7D567DCB61D7F637A922B022B34385B9F37701B4D7C725964A0FB86
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe NanoCore

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.5.98.148:5050 https://threatfox.abuse.ch/ioc/880329/

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
http://lutanedukasi.co.id/wp-includes/bilt2.1.exe
Verdict:
Malicious activity
Analysis date:
2022-10-12 18:51:58 UTC
Tags:
trojan loader rat nanocore
Link:
https://app.any.run/tasks/0029a49d-bf8d-4cd4-872c-60328b500f98

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/319168/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching the default Windows debugger (dwwin.exe)
Creating a window
Сreating synchronization primitives
Searching for the window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42606/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634646c867135c9da24677eb/reports/4541a521-3d64-4662-a182-b08703374274/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/4287789e-68fb-4ea1-b98a-9ed1d41dd48b
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088530
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 (creates a PE file in dynamic memory)
Found hidden mapped module (file has been removed from disk)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721123 Sample: R2qKukHclf.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Antivirus detection for dropped file 2->64 66 8 other signatures 2->66 7 R2qKukHclf.exe 18 2->7         started        10 qkhbxqocpo.exe 1 2->10         started        13 qkhbxqocpo.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\ragbwalbdm.exe, PE32 7->36 dropped 15 ragbwalbdm.exe 1 3 7->15         started        38 C:\Users\user\AppData\Local\Temp\C93F.tmp, PE32 10->38 dropped 68 Multi AV Scanner detection for dropped file 10->68 70 Detected unpacking (creates a PE file in dynamic memory) 10->70 72 Machine Learning detection for dropped file 10->72 74 Found hidden mapped module (file has been removed from disk) 10->74 19 WerFault.exe 10 10->19         started        21 qkhbxqocpo.exe 3 10->21         started        40 C:\Users\user\AppData\Local\TempE9A.tmp, PE32 13->40 dropped 42 C:\Users\user\AppData\Local\Temp7C3.tmp, PE32 13->42 dropped 76 Maps a DLL or memory area into another process 13->76 23 WerFault.exe 10 13->23         started        25 qkhbxqocpo.exe 2 13->25         started        27 qkhbxqocpo.exe 13->27         started        signatures5 process6 file7 46 C:\Users\user\AppData\...\qkhbxqocpo.exe, PE32 15->46 dropped 48 C:\Users\user\AppData\Local\Temp\1DFB.tmp, PE32 15->48 dropped 52 Multi AV Scanner detection for dropped file 15->52 54 Machine Learning detection for dropped file 15->54 56 Found hidden mapped module (file has been removed from disk) 15->56 58 Maps a DLL or memory area into another process 15->58 29 ragbwalbdm.exe 6 15->29         started        34 WerFault.exe 23 9 15->34         started        signatures8 process9 dnsIp10 50 194.5.98.148, 49696, 49699, 49700 DANILENKODE Netherlands 29->50 44 C:\Users\user\AppData\Roaming\...\run.dat, OpenPGP 29->44 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->78 file11 signatures12
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 17:43:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e2rg5ohqfzzrtdtviu6kazcf2ro2jiizcqar2vc4pwqjmqzdaq5q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 19'458 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/221012-fejbmscdgq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
194.5.98.148:5050
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b0a89b15-59d9-4929-b65f-4e392fc66405
Unpacked files
SH256 hash:
2c26fefde2a6ea3200230526cdb18f0f0e1ba117e74e3ec25d7fcf59ae74d070
MD5 hash:
43161a40a75259adccabca4f268679d9
SHA1 hash:
b7c3460f52a232152d0855f8d72a0c67d6c6ddd1
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/999f6107-e363-4836-b937-6121860f9e39/
SH256 hash:
642fec80c40c6252b59b66b97a0383ec68981e997fa232eaa31939780864e3f8
MD5 hash:
1266a629b4598cb415fd7f835ac3f02c
SHA1 hash:
a6291841c1eeda445b99fc641c99b2c52a697776
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/999f6107-e363-4836-b937-6121860f9e39/
SH256 hash:
454ac440b820c6fc22867037aae0b963c323da63d116b4abc0a23b3d361c8aad
MD5 hash:
6c30bd1abe8602165d89ac12bc7b5dc3
SHA1 hash:
6a523a2244b1eeba57416dc3b8f91ea166d84c1b
Link:
https://www.unpac.me/results/999f6107-e363-4836-b937-6121860f9e39/
SH256 hash:
26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b
MD5 hash:
84c86b461afe2a2a02392beee58313e1
SHA1 hash:
f362a9be8a825e0940c18fe9139c2517f6728575
Link:
https://www.unpac.me/results/999f6107-e363-4836-b937-6121860f9e39/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/26a26eb8f02e/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/26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Web download

NanoCore

Executable exe 26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2365771/
Cape
Cape
https://www.capesandbox.com/analysis/319168/

Comments


Avatar
zbet commented on 2022-10-12 04:46:37 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/bilt2.1.exe