MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef95ab6971423db03f9539034b405f3aedbfba812ebf647bd4b6579b0df84f26. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef95ab6971423db03f9539034b405f3aedbfba812ebf647bd4b6579b0df84f26
SHA3-384 hash: 19f8593ddf77e8f816f87c6e7be58de3c8f346788e099c44545ccc4a38931eead97470b001ebfcd3f5bc4927a7dbe62b
SHA1 hash: 0408b11cc82e491b1dfe05e59537e16c1733c32a
MD5 hash: bf7a8295eb7bc32e5cd520048af715a3
humanhash: apart-zebra-uniform-delta
File name:SecuriteInfo.com.W32.AIDetectNet.01.5406.16871
Download: download sample
Signature NanoCore
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File size:1'675'264 bytes
First seen:2022-08-31 03:30:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:9ce8N+HxH5YQEgrifngHR1fiihOGz+MeQ:9ce8N+1JEgrqCjqiTKPQ
TLSH T1947502A797E0AB40C87E33B931D4B56093D2E1D60B62DB47DA1881F63F736853AE7502
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/306536/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.5406.16871.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/630ed649a7450371f6901737/reports/1b672cba-553e-4764-b85e-f16ab4ed8d42/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore, DarkTortilla
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1061162
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef95ab6971423db03f9539034b405f3aedbfba812ebf647bd4b6579b0df84f26/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2022-08-31 00:37:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56k2w2lrii63ap4vhebuwqc7hlw37oubf27wi66uwzlzwdpyj4ta._file
Result
Malware family:
nanocore
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Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220831-d22qdshgh6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
godisgood1.hopto.org:7712
185.225.73.164:7712
Unpacked files
SH256 hash:
ef95ab6971423db03f9539034b405f3aedbfba812ebf647bd4b6579b0df84f26
MD5 hash:
bf7a8295eb7bc32e5cd520048af715a3
SHA1 hash:
0408b11cc82e491b1dfe05e59537e16c1733c32a
Link:
https://www.unpac.me/results/02f55b41-0724-461a-9537-259afe19d41f/
Malware family:
NanoCore
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef95ab697142/report/overview.html
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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/306536/

Comments