MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1255663f8fbbb4454bc52f2d80bc61ea4b333e3f816272dd3f5efd91f1cf3235. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 1255663f8fbbb4454bc52f2d80bc61ea4b333e3f816272dd3f5efd91f1cf3235
SHA3-384 hash: 68bbaa3fb5dcae9bb975040c9fbd5fe5dd7740947533f9c693cc8c0259c1a7ef1c9d2b21296dbd700a8fd36bee6b2ceb
SHA1 hash: 8660a8d6624cb9552f215808e6fd62dad7e5e146
MD5 hash: 801bf8ada5a58fd5e27314d170d3936d
humanhash: tennessee-eight-double-don
File name:801bf8ada5a58fd5e27314d170d3936d.exe
Download: download sample
Signature NanoCore
File size:719'360 bytes
First seen:2022-08-15 16:07:52 UTC
Last seen:2022-08-15 16:49:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:z4M2TgyBgDtpT2coTXvMa7Rm8xYoWBvLaPjnPdBCqe2Fmki9bF:GgyBWzho7Nm8xAvLmjzH7k
TLSH T1B3E4DFAF2E9C5616CC7507B4ECAD1180ABF27DA13612E2DE5CA370D6C4B239C4798E17
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
353
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
801bf8ada5a58fd5e27314d170d3936d.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 16:15:08 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
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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 URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684202 Sample: 8Sa3IGbNjD.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 11 other signatures 2->57 8 8Sa3IGbNjD.exe 3 2->8         started        12 8Sa3IGbNjD.exe 2 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 file4 47 C:\Users\user\AppData\...\8Sa3IGbNjD.exe.log, ASCII 8->47 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Injects a PE file into a foreign processes 8->63 18 8Sa3IGbNjD.exe 1 14 8->18         started        23 8Sa3IGbNjD.exe 2 12->23         started        25 audiodg.exe 12->25         started        27 dhcpmon.exe 2 14->27         started        29 dhcpmon.exe 16->29         started        signatures5 process6 dnsIp7 49 jasonbourne.bounceme.net 195.178.120.227, 4032, 49764 HEXAGLOBE-ASFR unknown 18->49 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->39 dropped 41 C:\Users\user\AppData\Roaming\...\run.dat, International 18->41 dropped 43 C:\Users\user\AppData\Local\...\tmpBFE1.tmp, XML 18->43 dropped 45 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->45 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 31 schtasks.exe 1 18->31         started        33 schtasks.exe 1 18->33         started        file8 signatures9 process10 process11 35 conhost.exe 31->35         started        37 conhost.exe 33->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-15 10:57:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
jasonbourne.bounceme.net:4032
127.0.0.1:4032
Unpacked files
SH256 hash:
d473c692413e3c55aaf0dfe2c9f41111a94c197f9a64f502e9cf91acbf6baefb
MD5 hash:
5917fbfd1785276c51418ea1c8664d74
SHA1 hash:
bc62d76c3ec31af28fb2d26e50c908ad68a67d35
SH256 hash:
a656f8caa9ab949cfd776c7e66d915a8f94876d6212ae563c19ec181116adb62
MD5 hash:
8842a0ce1fae7af754bbdc34c0b1cbb9
SHA1 hash:
34100244edaeae474b26cee0ab525dab0304404b
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
SH256 hash:
1255663f8fbbb4454bc52f2d80bc61ea4b333e3f816272dd3f5efd91f1cf3235
MD5 hash:
801bf8ada5a58fd5e27314d170d3936d
SHA1 hash:
8660a8d6624cb9552f215808e6fd62dad7e5e146
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

NanoCore

Executable exe 1255663f8fbbb4454bc52f2d80bc61ea4b333e3f816272dd3f5efd91f1cf3235

(this sample)

  
Delivery method
Distributed via web download

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