MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3b80db58c1fa79c3780e68cf7d3ea987fb2615a68077ba3b110cfd3a7cf4de6. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: e3b80db58c1fa79c3780e68cf7d3ea987fb2615a68077ba3b110cfd3a7cf4de6
SHA3-384 hash: 6860edc0ac0f9980bb1afd67ed790fceaa1e878e558a564ec71c025ac2fda53bcf76eeeb85c947079845baaa5609b047
SHA1 hash: fca9c2a66cfddfe6a8677e1568ea32ad18dda600
MD5 hash: dc8e7cde980f05501758f8ce3048682e
humanhash: football-minnesota-failed-low
File name:DHL_document11022020680908911.exe
Download: download sample
Signature NanoCore
File size:83'728 bytes
First seen:2021-04-07 05:55:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:DVo9K0V0z/hpL8dKKuzVczbeso66z0Rb6eQxl8+to23I9aFhVkSdM2VhY:DOKU0Dhp7HI
Threatray 145 similar samples on MalwareBazaar
TLSH 398363952BFECF71AAC514FC3B993664305BFF0035216D3B9D6D2194ADC082963ABC68
Reporter abuse_ch
Tags:DHL exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_document11022020680908911.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 06:21:50 UTC
Tags:
trojan rat nanocore

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

Behaviour
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Moving a recently created file
Sending a UDP request
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Setting a single autorun event
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding exclusions to Windows Defender
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:
evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 383099 Sample: DHL_document11022020680908911.exe Startdate: 07/04/2021 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 3 other signatures 2->77 7 DHL_document11022020680908911.exe 18 12 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 12 other processes 2->16 process3 dnsIp4 65 myliverpoolnews.cf 172.67.150.212, 443, 49701, 49703 CLOUDFLARENETUS United States 7->65 57 C:\Windows\Microsoft.NET\...\svchost.exe, PE32 7->57 dropped 59 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 7->59 dropped 61 C:\...\DHL_document11022020680908911.exe.log, ASCII 7->61 dropped 81 Creates an autostart registry key pointing to binary in C:\Windows 7->81 83 Adds a directory exclusion to Windows Defender 7->83 85 Tries to delay execution (extensive OutputDebugStringW loop) 7->85 87 Drops PE files with benign system names 7->87 18 DHL_document11022020680908911.exe 7->18         started        23 powershell.exe 22 7->23         started        25 powershell.exe 24 7->25         started        35 2 other processes 7->35 89 System process connects to network (likely due to code injection or exploit) 12->89 91 Multi AV Scanner detection for dropped file 12->91 93 Drops executables to the windows directory (C:\Windows) and starts them 12->93 27 powershell.exe 12->27         started        29 powershell.exe 12->29         started        31 powershell.exe 12->31         started        37 2 other processes 12->37 67 127.0.0.1 unknown unknown 16->67 69 192.168.2.1 unknown unknown 16->69 95 Changes security center settings (notifications, updates, antivirus, firewall) 16->95 33 MpCmdRun.exe 16->33         started        file5 signatures6 process7 dnsIp8 63 185.191.231.252, 49723, 49726, 49729 UNREAL-SERVERSUS Netherlands 18->63 53 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->53 dropped 55 C:\Users\user\AppData\Roaming\...\run.dat, data 18->55 dropped 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        51 conhost.exe 35->51         started        file9 signatures10 process11
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Windows security modification
NanoCore
Windows security bypass
Malware Config
C2 Extraction:
185.191.231.252:54984
holyboys.ddns.net:54984
Unpacked files
SH256 hash:
e3b80db58c1fa79c3780e68cf7d3ea987fb2615a68077ba3b110cfd3a7cf4de6
MD5 hash:
dc8e7cde980f05501758f8ce3048682e
SHA1 hash:
fca9c2a66cfddfe6a8677e1568ea32ad18dda600
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

NanoCore

Executable exe e3b80db58c1fa79c3780e68cf7d3ea987fb2615a68077ba3b110cfd3a7cf4de6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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