MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 797f7a2f707e179000817c0eaa3982077e6d85b8b424c91ddd999bb0b17d05fe. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: 797f7a2f707e179000817c0eaa3982077e6d85b8b424c91ddd999bb0b17d05fe
SHA3-384 hash: 546811c90f6be724365851003acf85144979085852e86187d9a0bc3fe665e5a71e06ad1af8247fad7728c33cd95477fd
SHA1 hash: 4ce32e3212d9e4744318ef2096092026b7e5efa3
MD5 hash: 809b579e0a86214540493a3dff98d148
humanhash: ten-uncle-jig-hamper
File name:809b579e0a86214540493a3dff98d148.exe
Download: download sample
Signature NanoCore
File size:1'187'328 bytes
First seen:2021-07-12 14:00:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:aKinMHDFzatjVzlkZ2nMEJViBqq5I0h224A/8kNLDps/G:DinQFzgjUUMO8h2tAkklNs/G
Threatray 2'182 similar samples on MalwareBazaar
TLSH T17445CFEA83799586F17D93F4212BAF0741ADF04D903D770A1FB2CDE63A51279BB46082
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
809b579e0a86214540493a3dff98d148.exe
Verdict:
Malicious activity
Analysis date:
2021-07-12 14:15:37 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-12 14:01:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
wekeepworking.sytes.net:83
wekeepworking12.sytes.net:83
Unpacked files
SH256 hash:
af6be6ceaf7d46b629f9e1e9ec275ce01e10016e7682727961b0ae2d6affe709
MD5 hash:
600468bd2dd53bfe5aaab8c6d23093ca
SHA1 hash:
179adb102f71ef4758702991f9432b08fb2543c0
SH256 hash:
9c66a6ea50dc8676bc488a03148b94537789b51dd0c6adf3a6fb6819e6b74913
MD5 hash:
1517a6818eecb47d875a15b028e686fc
SHA1 hash:
c385e198490a13cbde113e5481efdda5f70cf205
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
797f7a2f707e179000817c0eaa3982077e6d85b8b424c91ddd999bb0b17d05fe
MD5 hash:
809b579e0a86214540493a3dff98d148
SHA1 hash:
4ce32e3212d9e4744318ef2096092026b7e5efa3
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:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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_Gen_2
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.

Web download

NanoCore

Executable exe 797f7a2f707e179000817c0eaa3982077e6d85b8b424c91ddd999bb0b17d05fe

(this sample)

  
Delivery method
Distributed via web download

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