MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3fff803ee0de9a5c086d197d30f47eaf79d01b6fe6eed69409a63a8dff8f79f. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash: f3fff803ee0de9a5c086d197d30f47eaf79d01b6fe6eed69409a63a8dff8f79f
SHA3-384 hash: db6d6d4cd929d55e363f76f387c1f4ae182227991c202a48966b044806fba3fda36936cc3e5caf600647c001a318edf3
SHA1 hash: bcc831ba46d1c0947857fab1db0c905a565f66c3
MD5 hash: e5fc908b43a9096e833093739b2421b6
humanhash: hamper-kilo-sixteen-hot
File name:e5fc908b43a9096e833093739b2421b6.exe
Download: download sample
Signature NanoCore
File size:898'560 bytes
First seen:2021-06-14 18:11:15 UTC
Last seen:2021-06-14 18:37:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:83eeraTLMUZZcwp3B3ZX3PIeBlSNwfT+f9mkvAM2aCkvZXnHIi9NW579VCZ6v:je+TLM2Zdp3dWwfT+lmu8GZXnHTK
Threatray 2'045 similar samples on MalwareBazaar
TLSH CB15E12623988B95E97E47389169019053F1F82BE725EFCDBDD910CC0BB1F81876276B
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
193.169.255.209:3748

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
193.169.255.209:3748 https://threatfox.abuse.ch/ioc/113539/

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e5fc908b43a9096e833093739b2421b6.exe
Verdict:
Malicious activity
Analysis date:
2021-06-14 18:13:19 UTC
Tags:
rat nanocore

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

Behaviour
Creating a window
Sending a UDP request
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
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
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 dynamic DNS services
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.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-14 18:12:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
15 of 29 (51.72%)
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:
194.5.98.120:3748
uiopwq.duckdns.org:3748
Unpacked files
SH256 hash:
82fe42ffa7c2160c4ba79b666ba52f6dce210e0be5cbbb1419ddf3058215568b
MD5 hash:
a7c717e07a9e8fc3408914687859cf8a
SHA1 hash:
862f0e3f4f99c7674a540327ba08792e8a6cf5a1
SH256 hash:
f3fff803ee0de9a5c086d197d30f47eaf79d01b6fe6eed69409a63a8dff8f79f
MD5 hash:
e5fc908b43a9096e833093739b2421b6
SHA1 hash:
bcc831ba46d1c0947857fab1db0c905a565f66c3
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_InTheFu
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.

Web download

NanoCore

Executable exe f3fff803ee0de9a5c086d197d30f47eaf79d01b6fe6eed69409a63a8dff8f79f

(this sample)

  
Delivery method
Distributed via web download

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