MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2eb65616fa13c101059d6b4ab7d3e187352c101bc3b6a4a2ee6f2827e269b5ee. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments

SHA256 hash: 2eb65616fa13c101059d6b4ab7d3e187352c101bc3b6a4a2ee6f2827e269b5ee
SHA3-384 hash: c4741cdc664fdde8feb70f912650b36149ab6231b80deca5a8c5bafd7cd4e5d16ba426b39256c4e6ddc25afa8a7ac5be
SHA1 hash: 8b8f6f3dfc3b273204a6081105d044e57996e513
MD5 hash: 99add6be1d338385cad84d1a7d0f4fec
humanhash: washington-robin-idaho-hot
File name:ORDER PO.exe
Download: download sample
Signature NanoCore
File size:352'633 bytes
First seen:2022-10-20 05:57:03 UTC
Last seen:2022-10-20 07:23:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbZnM3ixqIagI5WtKZNEF9qskfZTLJCNIKMfw1/KzqikdNHSCI:mb/ZnM3ixw5XogfJ6IKj1/cdkdlSCI
Threatray 4'727 similar samples on MalwareBazaar
TLSH T191741210E6119067D57153F62970AB3ADBEAE1217572BF0F43902D893FA36E5E21EB30
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 0xToxin
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
ORDER PO.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 05:57:45 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
DNS request
Sending a custom TCP request
Searching for the window
Using the Windows Management Instrumentation requests
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
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
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)
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 726561 Sample: ORDER PO.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for dropped file 2->67 69 9 other signatures 2->69 7 ORDER PO.exe 18 2->7         started        10 atvxtbxb.exe 1 2->10         started        13 atvxtbxb.exe 1 2->13         started        process3 file4 37 C:\Users\user\AppData\Local\...\bfebcfkic.exe, PE32 7->37 dropped 15 bfebcfkic.exe 1 4 7->15         started        39 C:\Users\user\AppData\Local\Temp\962E.tmp, PE32 10->39 dropped 71 Multi AV Scanner detection for dropped file 10->71 73 Machine Learning detection for dropped file 10->73 75 Found hidden mapped module (file has been removed from disk) 10->75 19 WerFault.exe 10 10->19         started        22 atvxtbxb.exe 3 10->22         started        41 C:\Users\user\AppData\Local\Temp\B82D.tmp, PE32 13->41 dropped 77 Maps a DLL or memory area into another process 13->77 24 atvxtbxb.exe 2 13->24         started        26 WerFault.exe 10 13->26         started        signatures5 process6 dnsIp7 45 C:\Users\user\AppData\...\atvxtbxb.exe, PE32 15->45 dropped 47 C:\Users\user\AppData\Local\Temp\FE91.tmp, PE32 15->47 dropped 49 C:\Users\user\AppData\Local\Temp\539.tmp, PE32 15->49 dropped 55 Multi AV Scanner detection for dropped file 15->55 57 Detected unpacking (creates a PE file in dynamic memory) 15->57 59 Machine Learning detection for dropped file 15->59 61 2 other signatures 15->61 28 bfebcfkic.exe 7 15->28         started        33 WerFault.exe 23 9 15->33         started        35 bfebcfkic.exe 15->35         started        51 192.168.2.1 unknown unknown 19->51 file8 signatures9 process10 dnsIp11 53 chibuikelight.ddns.net 194.147.140.103, 1122, 49698, 49701 PTPEU unknown 28->53 43 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 28->43 dropped 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->79 file12 signatures13
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-10-20 01:32:04 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
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:
chibuikelight.ddns.net:1122
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4d1c6def4d84e6a179737a86db5af301511b236a3ed10775cd1b04db13e5f3e2
MD5 hash:
3bd88913cff45ef6b5b8c15a174ea0b2
SHA1 hash:
eec4b1a49b0176d9517e511d831a7a1fa5926f5c
Detections:
win_nanocore_w0
SH256 hash:
0a82f5f3b2a4387106c5926f580dd22189cf4c212a8aa845fa5cf788f852172e
MD5 hash:
b10d0b4946de90a981e825e338f7e9b9
SHA1 hash:
ed0717d28068eb157dfd1f0726b55b32d46fc7b7
Detections:
win_nanocore_w0
SH256 hash:
ba1eb752afae894307bd37809262879411532dd3958d3bb14aa3fddd3ce21e4f
MD5 hash:
e774fd33a526fceef14de265816460c4
SHA1 hash:
b12e8626d7cb55ea32eed89ce4625170d38207d6
SH256 hash:
2eb65616fa13c101059d6b4ab7d3e187352c101bc3b6a4a2ee6f2827e269b5ee
MD5 hash:
99add6be1d338385cad84d1a7d0f4fec
SHA1 hash:
8b8f6f3dfc3b273204a6081105d044e57996e513
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
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

Executable exe 2eb65616fa13c101059d6b4ab7d3e187352c101bc3b6a4a2ee6f2827e269b5ee

(this sample)

  
Delivery method
Distributed via e-mail attachment

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