MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d. 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 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d
SHA3-384 hash: 772c8aca47b8dbe59403d11f9aab5287ececa83fa88c18558acd28c89818d81acfa33b33b8200653119f7f64f316d678
SHA1 hash: 38bf458e5a621dc01e1ad6caf0d632f0e3a55e00
MD5 hash: 1f78c2809d0fef382fb3c32f3d99e64e
humanhash: avocado-florida-lima-nitrogen
File name:TNT_7654MT.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'736'704 bytes
First seen:2021-03-22 07:28:50 UTC
Last seen:2021-03-22 09:35:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:M/fXLsY6wrjYSjNHpb4GnSzcokXu+/OaV8fBmQB4yOUmJaJden:M/fQY649SIok++7qfpB4y
Threatray 1'681 similar samples on MalwareBazaar
TLSH 5A855B2AB78D6F96E16F0F3581278618C2E4C1676333F34F79D65CE2A8163A58D1F062
Reporter abuse_ch
Tags:exe NanoCore TNT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: als.sparkmail.jp
Sending IP: 202.233.10.33
From: TNT<fedex@express.com>
Subject: Pre - Arrival Notification Shipment Reference: Number 10623-24
Attachment: TNT_7654MT.PDF.zip (contains "TNT_7654MT.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TNT_7654MT.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:29:58 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/bf30d25c-8887-479c-8afb-c34b90a3caf3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PWS-FCWJ1F78C2809D0F.23562.8737.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Gathering data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647413
Signature
Detected Nanocore Rat
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372671 Sample: TNT_7654MT.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 5 other signatures 2->36 7 TNT_7654MT.exe 15 6 2->7         started        11 JGGF.exe 14 3 2->11         started        process3 file4 22 C:\Users\user\AppData\Roaming\...\JGGF.exe, PE32 7->22 dropped 24 C:\Users\user\...\JGGF.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\...\TNT_7654MT.exe.log, ASCII 7->26 dropped 38 Drops PE files to the startup folder 7->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->40 13 cmd.exe 1 7->13         started        15 JGGF.exe 2 7->15         started        signatures5 process6 dnsIp7 18 conhost.exe 13->18         started        20 reg.exe 1 1 13->20         started        28 192.168.2.1 unknown unknown 15->28 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-21 23:38:07 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x47blryx2fh5kufgst2w4433xnaa7bvnkeyk7u462ewkktcpcvgq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0b755a23b31f709cdcd39b195d0bd4d50b049bd869b1db57892fb94878992760
NanoCore
203ac3379fb9ca3dd9c50d81234c753493ac422538c30d9a9ea07cb5f5042a7b
NanoCore
2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415
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5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
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8948c6ec9f9e49de7b8546ae27fbaf0d95cb773c27cd10a1d62a45f7608dd651
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999813d0bce8eb3dd4057bb0535d1ce571c272a3ac60264d4a4ecc28f7644875
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a4d205329a6c438c3442880287c5fb05810fb3de3bf82ddcba557176c2a6d7fd
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c5b84e95c3c5d74359f6dcc6d465f7ab9a4709807c15aa08ed258b1e32f39668
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d8a41a28c498d512310f9acfe5c44c6d22daa445d522cd53bd80bb4b2fddf2ac
NanoCore
ec694537528f39e61c4a295e99932641ac2660f8580911790926294c4a190afc
NanoCore
+ 1'671 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210322-lghq2vrr7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
194.5.97.16:1078
127.0.0.1:1078
Unpacked files
SH256 hash:
bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d
MD5 hash:
1f78c2809d0fef382fb3c32f3d99e64e
SHA1 hash:
38bf458e5a621dc01e1ad6caf0d632f0e3a55e00
Link:
https://www.unpac.me/results/e7b9075a-7572-4a21-a086-4a78309c746f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d

File information

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

Malspam

NanoCore

zip 9a10f8af76cfd44955943cc35e4dd40db47b388fb8894a8b39c8d9a2ca3d75f1

NanoCore

Executable exe bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d

(this sample)

  
Dropped by
MD5 dc9d62175264aa132f8d4dfeaa5ed3d8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9a10f8af76cfd44955943cc35e4dd40db47b388fb8894a8b39c8d9a2ca3d75f1

Comments