MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fb295e18e0e455b71b026bec59eb6837c4a42a858ceb00d992dc3b5e2813e50. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fb295e18e0e455b71b026bec59eb6837c4a42a858ceb00d992dc3b5e2813e50
SHA3-384 hash: 52948975d1e13d8c3c357f65e1fb2c73c1707f102e6835b969365dbd2c9669d095393999b1ab548aa889112062482f06
SHA1 hash: 82c54239d219c58cc91e038329023df89490a487
MD5 hash: 09dca6367f5fe7405d8855955efee3d3
humanhash: island-earth-winter-south
File name:CV.arj
Download: download sample
Signature NanoCore
Create hunting rule
File size:733'813 bytes
First seen:2022-02-11 22:36:43 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:/MDvxfxtWQQZTeGi63SGE2OzqINui1CEEXbORwz6Bj8m6zTP9MHDNOa:/w1Q1ip2OzqIdCFEwzO7ATP9g0a
TLSH T14FF4232A20F49E46609F3217E9C9606BDF25E3734C2DEDF59B64D0303F8A499D387926
Reporter cocaman
Tags:arj NanoCore zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Maria Sibirtseva" (likely spoofed)
Received: "from aol.com (q2dm.one [212.192.241.164]) "
Date: "11 Feb 2022 14:36:23 -0800"
Subject: "Position Applied for: Accounts Officer"
Attachment: "CV.arj"

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1196.17505.28245.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6206e51245ddfa2e18c138cc/reports/c257681e-256c-4f03-b781-f00062eeb834/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/3fb295e18e0e455b71b026bec59eb6837c4a42a858ceb00d992dc3b5e2813e50
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fb295e18e0e455b71b026bec59eb6837c4a42a858ceb00d992dc3b5e2813e50/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-11 22:37:13 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
16 of 43 (37.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6zjlymobzcvw4nqe27mlhvwqn6euqvildhladmzfxb3lyubhzia._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220211-2js8asehbj/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
derarawfile10.ddns.net:1187
212.192.246250:1187
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

NanoCore

zip 3fb295e18e0e455b71b026bec59eb6837c4a42a858ceb00d992dc3b5e2813e50

(this sample)

NanoCore

Executable exe e6cc1b2289fea61671ed9f96511db21d748427bcd185f4e8d1d96e828f8cde4b

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e6cc1b2289fea61671ed9f96511db21d748427bcd185f4e8d1d96e828f8cde4b
  
Dropping
NanoCore

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