MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b291d719522053a662cadd70b131668a1d953d4c4dd648e8a5647b689eb6341d. 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: 13


Intelligence 13 IOCs 1 YARA 3 File information Comments

SHA256 hash: b291d719522053a662cadd70b131668a1d953d4c4dd648e8a5647b689eb6341d
SHA3-384 hash: e132ca06cd4a8ef08cd5500d518033ba97eba07d42d5f3c557cde74f04703ef7f3e4946134a0e640d86487bfe5c68dce
SHA1 hash: e49beec02d942e12b0dad74d81ab8ed4f02667e2
MD5 hash: 2f286cd817b368e8a747e8f0d8f28825
humanhash: jig-jersey-seven-stairway
File name:#RFQ ORDER7678432213211.exe
Download: download sample
Signature NanoCore
File size:1'084'928 bytes
First seen:2021-07-20 06:06:23 UTC
Last seen:Never
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:JU3ej57dEAKrvDBhGw4S3hYA0abY7VZ6Iyvv9JQ0NGNPV:ZALX3x0TrS7V
Threatray 2'288 similar samples on MalwareBazaar
TLSH T1DC35D0732317A74CEC7883B869656045AFF5F017D31DE25D3EE8B0ED68B1F149AA1A02
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.120:1604

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.98.120:1604 https://threatfox.abuse.ch/ioc/80452/

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
#RFQ ORDER7678432213211.exe
Verdict:
Malicious activity
Analysis date:
2021-07-20 06:11:24 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451085 Sample: #RFQ ORDER7678432213211.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 13 other signatures 2->48 7 #RFQ ORDER7678432213211.exe 7 2->7         started        process3 file4 30 C:\Users\user\AppData\...\XgPYsUfalKn.exe, PE32 7->30 dropped 32 C:\Users\...\XgPYsUfalKn.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpFD92.tmp, XML 7->34 dropped 36 C:\Users\...\#RFQ ORDER7678432213211.exe.log, ASCII 7->36 dropped 50 Adds a directory exclusion to Windows Defender 7->50 52 Injects a PE file into a foreign processes 7->52 11 #RFQ ORDER7678432213211.exe 7->11         started        16 powershell.exe 24 7->16         started        18 powershell.exe 25 7->18         started        20 2 other processes 7->20 signatures5 process6 dnsIp7 40 194.5.98.120, 1604, 49726, 49729 DANILENKODE Netherlands 11->40 38 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 11->38 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->54 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-20 05:17:08 UTC
AV detection:
6 of 46 (13.04%)
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
Maps connected drives based on registry
Checks BIOS information in registry
Uses the VBS compiler for execution
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NirSoft MailPassView
Nirsoft
NanoCore
Malware Config
C2 Extraction:
194.5.98.120:1604
joseedward5001.ddns.net:1604
Unpacked files
SH256 hash:
5813705f8eef891d56622548e97bb07fc7111e823a910f49acc00f3247450dd2
MD5 hash:
79fb9f69d157289450734e1dca5f3b20
SHA1 hash:
bd9cb222836196db8395b655016d4d5c7e09eda8
SH256 hash:
6a7d851658a52243cd36ad05169cd7d2a65cd980c3e96129cad0602efb3bf866
MD5 hash:
7ba90d4e1da13d2b2dd4c165a74675e6
SHA1 hash:
9802e15fe137b3ae48eee63f4ce710678ca67453
Detections:
win_nanocore_w0
SH256 hash:
f3c19755beabc619767cd0beeafaa354b5ea4f20fea2201ed11bbcb5fad45202
MD5 hash:
dba80df4f1a67a970c9ef685e898a941
SHA1 hash:
0438321127fbc22e97b9748ed77eaa7e6eefc5f1
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
SH256 hash:
b291d719522053a662cadd70b131668a1d953d4c4dd648e8a5647b689eb6341d
MD5 hash:
2f286cd817b368e8a747e8f0d8f28825
SHA1 hash:
e49beec02d942e12b0dad74d81ab8ed4f02667e2
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: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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments