MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bd97a0d17f61d747de38b520274c6afcb52cf89ce87a1818866428f1416ef1c. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: 8bd97a0d17f61d747de38b520274c6afcb52cf89ce87a1818866428f1416ef1c
SHA3-384 hash: ab11ffd502396920e136584b984cbbfc44d81a9481a7aaf27829c8d6932e61694d9cc18e612f01caab2cb4073136f12b
SHA1 hash: ff4f01986dae809ebfbb807fbc88301dd5e7a23a
MD5 hash: f5740e959f892407f13054de42748917
humanhash: pasta-hamper-queen-spring
File name:DHL_document11022020680908911.exe
Download: download sample
Signature NanoCore
File size:220'160 bytes
First seen:2021-10-14 10:15:03 UTC
Last seen:2021-10-14 11:10:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:OIejpcLKcDTz+sjR9K+mm9lPfbUhFziv8g6TtZGiE:OI0pQTtjR4+mOmFzivqb
Threatray 3'608 similar samples on MalwareBazaar
TLSH T1BD248C4037CE8C2AC61A027A8155B14566B88517533FA234FEDD6B6D1FDB3934B2BF22
File icon (PE):PE icon
dhash icon f062626222222024 (3 x AgentTesla, 1 x NanoCore)
Reporter abuse_ch
Tags:DHL exe NanoCore RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_document11022020680908911.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-14 21:44:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
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.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Detected Nanocore Rat
Executable has a suspicious name (potential lure to open the executable)
Hides threads from debuggers
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)
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 502770 Sample: DHL_document11022020680908911.exe Startdate: 14/10/2021 Architecture: WINDOWS Score: 100 55 youngsouth.duckdns.org 2->55 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Sigma detected: NanoCore 2->69 71 10 other signatures 2->71 8 DHL_document11022020680908911.exe 21 6 2->8         started        13 dhcpmon.exe 2->13         started        signatures3 process4 dnsIp5 57 cdn.discordapp.com 162.159.130.233, 443, 49720, 49722 CLOUDFLARENETUS United States 8->57 51 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 8->51 dropped 73 Adds a directory exclusion to Windows Defender 8->73 75 Hides threads from debuggers 8->75 77 Injects a PE file into a foreign processes 8->77 15 DHL_document11022020680908911.exe 8->15         started        19 AdvancedRun.exe 1 8->19         started        21 powershell.exe 25 8->21         started        29 2 other processes 8->29 59 162.159.133.233, 443, 49758, 49759 CLOUDFLARENETUS United States 13->59 53 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 13->53 dropped 23 AdvancedRun.exe 13->23         started        25 powershell.exe 13->25         started        27 powershell.exe 13->27         started        31 2 other processes 13->31 file6 signatures7 process8 dnsIp9 61 youngsouth.duckdns.org 195.133.18.136, 3106, 49753, 49754 AS-REGRU Russian Federation 15->61 45 C:\Program Files (x86)\...\dhcpmon.exe, PE32 15->45 dropped 47 C:\Users\user\AppData\Roaming\...\run.dat, data 15->47 dropped 49 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 15->49 dropped 63 192.168.2.1 unknown unknown 19->63 33 AdvancedRun.exe 19->33         started        35 conhost.exe 21->35         started        37 AdvancedRun.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        file10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-14 10:15:14 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Behaviour
Suspicious use of WriteProcessMemory
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Modifies Windows Defender Real-time Protection settings
NanoCore
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
195.133.18.136:3106
youngsouth.duckdns.org:3106
Unpacked files
SH256 hash:
8bd97a0d17f61d747de38b520274c6afcb52cf89ce87a1818866428f1416ef1c
MD5 hash:
f5740e959f892407f13054de42748917
SHA1 hash:
ff4f01986dae809ebfbb807fbc88301dd5e7a23a
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:ach_NanoCore
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
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_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: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.

Comments