MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df6dc86d7d3af52012925193704ab594844739b107f8e635dd4f46aa4aa4d5d6. 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 1 YARA 2 File information Comments

SHA256 hash:	df6dc86d7d3af52012925193704ab594844739b107f8e635dd4f46aa4aa4d5d6
SHA3-384 hash:	b0337838a0b7f1b468894ff01717effb007c5be992c61d27e9a36f7cf660c2be44ac65d8b8e3b1bf2fc3149c7746885f
SHA1 hash:	bdc8842ee0adc28bf209b07b19fedb12eba56397
MD5 hash:	a7a8c3e6b8854ab03b71a5b128d7b9ce
humanhash:	maryland-happy-island-moon
File name:	a7a8c3e6b8854ab03b71a5b128d7b9ce.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'219'072 bytes
First seen:	2021-05-27 12:53:27 UTC
Last seen:	2021-05-27 14:03:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	24576:SdwaNdXmvTOhbOr75f/Lt2Y/NKtplYphTc0AXKyOgin:ShHWTOxOr753LQ9xYfT4hYn
TLSH	DB45DF6E3240F69FD927C87289682D70EB60B676830BE3036453469DDE4E5ABDF111F2
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

NanoCore RAT C2:
wekeepworking.sytes.net

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
185.140.53.40:1144	https://threatfox.abuse.ch/ioc/65653/

Intelligence

File Origin

# of uploads :

# of downloads :

142

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

usa.exe

Verdict:

No threats detected

Analysis date:

2021-05-27 02:34:11 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/61658c37-bf86-4ba6-bbcd-6d854a797eed

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/162713/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.36978919.26016.29472.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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

Link:

https://www.joesandbox.com/analysis/793202

Signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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

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 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:

Download SVG

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/df6dc86d7d3af52012925193704ab594844739b107f8e635dd4f46aa4aa4d5d6/

Threat name:

ByteCode-MSIL.Trojan.Taskun

Status:

Malicious

First seen:

2021-05-27 02:30:48 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

24 of 47 (51.06%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=35w4q3l5hl2saeuskgjxasvvssceoonra74omno5j5dkusve2xla._file

Verdict:

malicious

Label(s):

nanocorerat

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore keylogger spyware stealer trojan

Link:

https://tria.ge/reports/210527-q3cvscnxp6/

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:1144
wekeepworking12.sytes.net:1144

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/df6dc86d7d3af52012925193704ab594844739b107f8e635dd4f46aa4aa4d5d6

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.