MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74034dc4c8b3a57c8b029a6dae9989eaf3cbc41c9681986b41a16995e98a3acd. 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 1 YARA 6 File information Comments

SHA256 hash: 74034dc4c8b3a57c8b029a6dae9989eaf3cbc41c9681986b41a16995e98a3acd
SHA3-384 hash: ebfb7b1f95c7d1939d426ed91ccd35fc9957f7ca655cc9fbc47ebbaac77c6a7e464269166e67d015c465bd761a5b0671
SHA1 hash: 140d52394c059d209b0e3d1b0f3cfc90592606b1
MD5 hash: d4c5ed338518b023c40c516112906f5b
humanhash: helium-colorado-alpha-mexico
File name:Payu transfer form.scr.exe
Download: download sample
Signature NanoCore
File size:1'008'640 bytes
First seen:2021-04-28 05:15:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6X5DGNf7AJVsubV8IHsRprkkljEVXooLA:u5gf7CbV88sTrjljEV
Threatray 1'797 similar samples on MalwareBazaar
TLSH D2259EAC725459F1E35B1E7267CF4C0242652174B53BEA0E5BA023BD1A63F132E39D8E
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
45.154.4.187:8080

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.154.4.187:8080 https://threatfox.abuse.ch/ioc/9808/

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payu transfer form.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 05:18:47 UTC
Tags:
trojan nanocore rat

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

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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 potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-04-28 05:16:10 UTC
AV detection:
14 of 47 (29.79%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion 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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
45.154.4.187:8080
alexwill.ddns.net:8080
Unpacked files
SH256 hash:
528d481226442b2b4da9efd336d1ed5d88df93c408e0f1c76e6203485fd71008
MD5 hash:
5e07a0755c27428da33fc94ee90b8080
SHA1 hash:
f15372e27527416d24be0cfc73263a07a20eb143
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
SH256 hash:
1831e56e8074ae4066d1f3077abc99d0e136bb9299bff8b8d696807d2feff4cb
MD5 hash:
1148d5426cba61c54dc5ddb17d120cd5
SHA1 hash:
b3edde3deda0938abb016d51d65de2147684a08d
Detections:
win_nanocore_w0
SH256 hash:
74034dc4c8b3a57c8b029a6dae9989eaf3cbc41c9681986b41a16995e98a3acd
MD5 hash:
d4c5ed338518b023c40c516112906f5b
SHA1 hash:
140d52394c059d209b0e3d1b0f3cfc90592606b1
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: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_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
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