MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c0512176cbca3ce1b0abc5f505a3abbcd39909c20095d995f019197f42439d3. 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 11 File information Comments

SHA256 hash: 3c0512176cbca3ce1b0abc5f505a3abbcd39909c20095d995f019197f42439d3
SHA3-384 hash: 98ce284d21a899e25b944ff4416ed57e40b54bb2ce8bc70f84337b9ad09dc301fab13df96038c09b09b0a8c86c4a4a09
SHA1 hash: 04eba42e98b996b5b9e1783e37de8b45c42d56f4
MD5 hash: 19230db458718df6fa70d9817925ac7a
humanhash: maine-lima-beryllium-illinois
File name:3C0512176CBCA3CE1B0ABC5F505A3ABBCD39909C20095.exe
Download: download sample
Signature NanoCore
File size:185'856 bytes
First seen:2022-08-05 18:35:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (31'208 x AgentTesla, 10'508 x Formbook, 5'466 x SnakeKeylogger)
ssdeep 3072:GzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HISp9Jzf+hpWavwPJLehxm:GLV6Bta6dtJmakIM5PJr+hz2JGm
Threatray 4'396 similar samples on MalwareBazaar
TLSH T1F704BE167BA98A3FE2DE8679611202138379C2E398D3F3EE28D415B74F527E40A471D7
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter @abuse_ch
Tags:exe NanoCore RAT


Twitter
@abuse_ch
NanoCore C2:
107.150.23.184:38952

Intelligence


File Origin
# of uploads :
1
# of downloads :
402
Origin country :
NL NL
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
3C0512176CBCA3CE1B0ABC5F505A3ABBCD39909C20095.exe
Verdict:
Malicious activity
Analysis date:
2022-08-05 18:37:36 UTC
Tags:
nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
–°reating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware nancrat nanocore obfuscated packed rat schtasks.exe windows
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Snort IDS alert for network traffic
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-05-29 20:41:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
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
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
trustedvpnconnection.anondns.net:38952
windowsmanager.freemyip.com:38952
Unpacked files
SH256 hash:
3c0512176cbca3ce1b0abc5f505a3abbcd39909c20095d995f019197f42439d3
MD5 hash:
19230db458718df6fa70d9817925ac7a
SHA1 hash:
04eba42e98b996b5b9e1783e37de8b45c42d56f4
Detections:
win_nanocore_w0

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:ach_NanoCore
Author:abuse.ch
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>

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
107.150.23.184:38952 https://threatfox.abuse.ch/ioc/841534

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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