MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f55286a7ec79ced5a5cc9f65294a019b66b27668145c0d7e32d808a39e04c07c. 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: 7
| SHA256 hash: | f55286a7ec79ced5a5cc9f65294a019b66b27668145c0d7e32d808a39e04c07c |
|---|---|
| SHA3-384 hash: | feae786cca76541c2762b58f786be96ad55f8838c4072b4534065ad4366da5ebb2e59ebc42cee4161ef7c5660480e9a5 |
| SHA1 hash: | c9027b6944c9d9afa2370afc1bf767364281a292 |
| MD5 hash: | 2f1f636b29069516e207a6f4356aa2e9 |
| humanhash: | arizona-jig-washington-island |
| File name: | Payu Remittance.scr.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 2'181'120 bytes |
| First seen: | 2021-04-24 04:50:57 UTC |
| Last seen: | 2021-04-24 05:57:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 49152:OT0/TgKX3UT9oXSVTwT9UEmDKLZIxTJO+2apTZuu:1722zw |
| Threatray | 5 similar samples on MalwareBazaar |
| TLSH | 86A5BFD97940A9D4D26F2F719BCB8C5082201F36241BF51A473177FBAB23E331676A86 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 45.154.4.187:8080 | https://threatfox.abuse.ch/ioc/9808/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payu Remittance.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-04-24 08:16:20 UTC
Tags:
trojan nanocore rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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 evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
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 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:
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
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
alexwill.ddns.net:8080
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
SH256 hash:
1831e56e8074ae4066d1f3077abc99d0e136bb9299bff8b8d696807d2feff4cb
MD5 hash:
1148d5426cba61c54dc5ddb17d120cd5
SHA1 hash:
b3edde3deda0938abb016d51d65de2147684a08d
Detections:
win_nanocore_w0
SH256 hash:
36e81aa48f885f3ab2bc1b58569285068ce41026b5cc6727569f03225a92b1b8
MD5 hash:
24026eae729a857f08f2ac6aeb3ff3dc
SHA1 hash:
add4aef043efbcfe1f453b4b0ba9bfcd7bd6d403
SH256 hash:
f55286a7ec79ced5a5cc9f65294a019b66b27668145c0d7e32d808a39e04c07c
MD5 hash:
2f1f636b29069516e207a6f4356aa2e9
SHA1 hash:
c9027b6944c9d9afa2370afc1bf767364281a292
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
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