MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d
SHA3-384 hash: fca7e814b03e169404cb7b92c9179f9aba71dc9c782a6104e966caa46ab81053be21447fb3d1e61c0e5dabaeafe00765
SHA1 hash: 668ddcdef84891252122a9731e800069b4f064fb
MD5 hash: 92300a523379c32c0db0c72e17e7701c
humanhash: xray-sixteen-floor-jersey
File name:Document..exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'003'520 bytes
First seen:2022-01-25 09:21:35 UTC
Last seen:2022-01-25 14:47:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:gH4fRDYnyLbRrfCQks0abV7xNDdJBdqjIEPE6oTTkO:gHmMnQRrjksFbV5JLqjIEPhoc
TLSH T15125F1047BA4C772C53A9BF810F234148BB5356AA63DD5E82CCB52DB4BBAF1095A1F07
Reporter lowmal3
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/222257/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61efc13e0f8c757253e60c88/reports/0f9ec07f-12c9-4fe7-98bc-adc4a89f282b/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4cd5aaa1-fb61-4f00-99c9-4de1f69ebafb
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926897
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
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
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d/
Threat name:
ByteCode-MSIL.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 09:22:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hf6ukfrvyrffowu64eutvtb3bcx7avg3au5crdq3or23esdaurgq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer suricata trojan
Link:
https://tria.ge/reports/220125-lbxmrachep/
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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
naki.airdns.org:56281
37.120.210.211:56281
Unpacked files
SH256 hash:
b8fa89698f272e127c5bce86324068f4a33e1413aae2e5f4b7065947ac306860
MD5 hash:
de6074c989121abe41a81fc93b039e8f
SHA1 hash:
371d3ff1aae817fa6ab5484dd0d840c3a2bd2f71
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/e49e0c7d-1627-4953-b670-923c657398ec/
Parent samples :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 hash:
230e2552e90d0ed08f9eb16ff18e8dca1031b9abdc429e2a041614becfb3e767
MD5 hash:
4675dbc83dd63ed51467f4c43ae9378c
SHA1 hash:
bd61cc26cfc2894bdb103f21e61025b20a307b9b
Link:
https://www.unpac.me/results/e49e0c7d-1627-4953-b670-923c657398ec/
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/e49e0c7d-1627-4953-b670-923c657398ec/
SH256 hash:
397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d
MD5 hash:
92300a523379c32c0db0c72e17e7701c
SHA1 hash:
668ddcdef84891252122a9731e800069b4f064fb
Link:
https://www.unpac.me/results/e49e0c7d-1627-4953-b670-923c657398ec/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/397d451635c4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d

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
Create hunting rule
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.

Malspam

NanoCore

Executable exe 397d451635c44a575a9ee1293acc3b08aff054db053a288e1b7475b24860a44d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222257/

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