MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1517087b06ad8ef1df37505ce02de42860d0f427677db8f267744dc2e8599a29. 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: 8


Intelligence 8 IOCs 1 YARA 12 File information Comments

SHA256 hash: 1517087b06ad8ef1df37505ce02de42860d0f427677db8f267744dc2e8599a29
SHA3-384 hash: ad945b84852a8a11fb350dd1b1f083043764291d6663f59566afb677a84f72846739541cc9e4cd71c517f7fbe82b3c54
SHA1 hash: fe1c86b9f08caa10ca516889efe90fb56cb2b11e
MD5 hash: f43531aeecf9a5a2e06d5cf697b12da2
humanhash: orange-uncle-diet-north
File name:e969e5d52792da33934e8aebae044a1c.exe
Download: download sample
Signature NanoCore
File size:1'074'688 bytes
First seen:2022-08-01 14:55:38 UTC
Last seen:2022-08-01 15:57:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:MtuOHCt5NwRRXENlUypNmM57k5xwLpAut1+:iuOi+RpUlrpkZ2pAp
TLSH T19D352393CA8543D6E4894735DCDB5C2270379EEC1072DC9A2CD33A5186739E2726AE8F
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)
File icon (PE):PE icon
dhash icon 61313519c94398d8 (2 x NanoCore, 1 x LimeRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.119:3384

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.119:3384 https://threatfox.abuse.ch/ioc/840935/

Intelligence


File Origin
# of uploads :
2
# of downloads :
411
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Encrypted powershell cmdline option found
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 676773 Sample: e969e5d52792da33934e8aebae0... Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 54 drostdyhoffpvt.duckdns.org 2->54 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 10 other signatures 2->68 8 e969e5d52792da33934e8aebae044a1c.exe 16 6 2->8         started        13 algeriacamp.exe 14 4 2->13         started        15 algeriacamp.exe 3 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 dnsIp5 58 barikmuhendislik.com 109.106.251.73, 49744, 49793, 49820 NETNET-ASRS Serbia 8->58 48 C:\Users\user\AppData\Local\algeriacamp.exe, PE32 8->48 dropped 50 C:\Users\...\algeriacamp.exe:Zone.Identifier, ASCII 8->50 dropped 52 e969e5d52792da33934e8aebae044a1c.exe.log, ASCII 8->52 dropped 72 Encrypted powershell cmdline option found 8->72 74 Writes to foreign memory regions 8->74 76 Allocates memory in foreign processes 8->76 19 RegAsm.exe 1 9 8->19         started        24 powershell.exe 15 8->24         started        60 192.168.2.1 unknown unknown 13->60 78 Multi AV Scanner detection for dropped file 13->78 80 Machine Learning detection for dropped file 13->80 82 Injects a PE file into a foreign processes 13->82 26 RegAsm.exe 13->26         started        28 powershell.exe 13->28         started        30 powershell.exe 15->30         started        32 RegAsm.exe 15->32         started        34 conhost.exe 17->34         started        file6 signatures7 process8 dnsIp9 56 drostdyhoffpvt.duckdns.org 79.134.225.119, 3384, 49795, 49815 FINK-TELECOM-SERVICESCH Switzerland 19->56 42 C:\Users\user\AppData\Roaming\...\run.dat, data 19->42 dropped 44 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->44 dropped 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->70 36 conhost.exe 24->36         started        46 C:\Users\user\AppData\...\RegAsm.exe.log, ASCII 26->46 dropped 38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        file10 signatures11 process12
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-08-01 14:56:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
drostdyhoffpvt.duckdns.org:3384
127.0.0.1:3384
Unpacked files
SH256 hash:
1517087b06ad8ef1df37505ce02de42860d0f427677db8f267744dc2e8599a29
MD5 hash:
f43531aeecf9a5a2e06d5cf697b12da2
SHA1 hash:
fe1c86b9f08caa10ca516889efe90fb56cb2b11e
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:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
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: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