MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0f77eb32066c49a1a819784c848168a05408c1fa2d5018ab73c9d8e9faec410. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: d0f77eb32066c49a1a819784c848168a05408c1fa2d5018ab73c9d8e9faec410
SHA3-384 hash: d5ef60e9d0a020b1b7b0acfd3430ede0369d87bd58ae8f292d659c156902adcb448023b35df0677a655580ec6798f07c
SHA1 hash: 9645d4b32ce8e735d55232742e07720ee6780851
MD5 hash: 65622437250f01b7e88aaa34a109dfb8
humanhash: west-mountain-colorado-louisiana
File name:dhlDocument .exe
Download: download sample
Signature NanoCore
File size:634'880 bytes
First seen:2021-11-26 10:13:26 UTC
Last seen:2021-11-26 11:56:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:MoLNixBFmhzzBb5aWf5jCulh+Vw2NY6TtCBRPqAcyZ6IOoFOom0:l5i1qHBNaWfdq9tCBRPcyZPFOG
Threatray 3'339 similar samples on MalwareBazaar
TLSH T1D6D4E04632646BE6E13C47B7BE53981C57E22CF8AA20D2886EC3F2DB1571B514E50E73
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dhlDocument .exe
Verdict:
Malicious activity
Analysis date:
2021-11-26 10:24:09 UTC
Tags:
rat nanocore

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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.Tnega
Status:
Malicious
First seen:
2021-11-26 00:48:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 28 (71.43%)
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:
naki.airdns.org:56281
37.120.210.211:56281
Unpacked files
SH256 hash:
c059fa49db14d0d75af70aa835a71c36fdd91b8052a935a3ef28f238bfcf25e1
MD5 hash:
4ec9a078c7f8f81e10080f455f809866
SHA1 hash:
9f66187a41dbe8ea1dd55b21e04737fb22763b08
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
SH256 hash:
d0f77eb32066c49a1a819784c848168a05408c1fa2d5018ab73c9d8e9faec410
MD5 hash:
65622437250f01b7e88aaa34a109dfb8
SHA1 hash:
9645d4b32ce8e735d55232742e07720ee6780851
Malware family:
NanoCore
Verdict:
Malicious
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: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.

Malspam

NanoCore

Executable exe d0f77eb32066c49a1a819784c848168a05408c1fa2d5018ab73c9d8e9faec410

(this sample)

  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment

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