MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74
SHA3-384 hash: 9463108a4d177878b70851686b79a2e0c09cf7445331b41e0a9b8bb118c75789cd2dcfce43e0c6d02d0cb3a382e9b15b
SHA1 hash: a4b05afbcaded935c1d4b6e4dbc32b8c6ee62c5c
MD5 hash: 0b92ab51d6c1e28a82befa8cb13f4992
humanhash: lima-floor-colorado-triple
File name:49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74
Download: download sample
Signature NanoCore
Create hunting rule
File size:7'991'296 bytes
First seen:2021-02-28 07:28:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 013c74198fc6e42dcf33737d6c40c012 (11 x RedLineStealer, 4 x NanoCore, 1 x Formbook)
ssdeep 196608:GFXqlxbbdLzU/Fg0lHntc9ej2d4mhwI7QrRMlNikYbOGjZ:Mql5NU/x9pjg4iwjtaDYb9
Threatray 27 similar samples on MalwareBazaar
TLSH E7863343A3E4E423F9B10AF65CF141461A22FC8C5336A32F1396F65B6DA26B0D9B5347
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
986
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74
Verdict:
No threats detected
Analysis date:
2021-02-28 08:19:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4ece94d1-c43d-46fe-acac-895923b69ef4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119985/
Detection(s):
PUA.Win.Malware.Speedingupmypc-6718419-0
Create hunting rule

SecuriteInfo.com.Adware.Siggen.31863.24335.23560.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Creating a file in the %AppData% directory
Creating a file
Launching a process
Deleting a recently created file
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
70 / 100
Link:
https://www.joesandbox.com/analysis/620767
Signature
.NET source code contains potential unpacker
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)
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
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359376 Sample: delZYToJxe Startdate: 28/02/2021 Architecture: WINDOWS Score: 70 51 popup.upnadservice.icu 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 10 other signatures 2->63 9 delZYToJxe.exe 1 4 2->9         started        12 rundll32.exe 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\Temp\...\1.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\Temp\...\2.exe, PE32 9->43 dropped 14 1.exe 6 9->14         started        18 2.exe 2 9->18         started        process6 file7 45 C:\Users\user\AppData\Roaming\pvrHOl.exe, PE32 14->45 dropped 47 C:\Users\user\AppData\Local\...\tmp16C2.tmp, XML 14->47 dropped 67 Multi AV Scanner detection for dropped file 14->67 69 Machine Learning detection for dropped file 14->69 71 Writes to foreign memory regions 14->71 73 Injects a PE file into a foreign processes 14->73 20 RegSvcs.exe 6 14->20         started        25 schtasks.exe 1 14->25         started        49 C:\Users\user\AppData\Local\Temp\...\2.tmp, PE32 18->49 dropped 27 2.tmp 10 21 18->27         started        signatures8 process9 dnsIp10 53 popup.upnadservice.icu 92.239.246.126, 57138 NTLGB United Kingdom 20->53 31 C:\Users\user\AppData\Roaming\...\run.dat, data 20->31 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->65 29 conhost.exe 25->29         started        55 192.168.2.1 unknown unknown 27->55 33 C:\Users\user\AppData\Local\...\wintb.dll, PE32 27->33 dropped 35 C:\Users\user\AppData\Local\...\unarc.dll, PE32 27->35 dropped 37 C:\Users\user\AppData\Local\Temp\...\bp.dll, PE32 27->37 dropped 39 5 other files (none is malicious) 27->39 dropped file11 signatures12 process13
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 16:56:01 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jh2rlmp2vjbhhjwd6p5pqke5nborjjolx2ces7u2d4u6o7dmzz2a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
054174519f7a336d5e8e5fe6596b07cd507c9e146cc437f5d3798b6cf243504e
NanoCore
2faa49fe2763b1df65d13154dafeec5d68f6ada77452d9e1dde853addb9a2c52
NanoCore
3cc9983b77cfc2de6ee140e03d44aee7d95a9e527cebf22b59c92662b466ba88
NanoCore
4328d4f2310ee7858e526da835916bbf08b0546fcbf44c01de8dde992736504d
NanoCore
655f621c3d3f6a7da99b1c332ab6dc1d4d9aae9cdef583360c480de982884513
NanoCore
8742e0e2aab9d1c3d010b60e12da60e2c5a46675727f4fe4f3bfae8b87b644d2
NanoCore
926c237123af4acecbbbde443fea178a40983df81beb3e06c656c59684bf370c
NanoCore
d586f96955e0acbf5563ec7d7a3842b1625b0cfef0f90196f5729115993296a7
NanoCore
e008ea8615c9a060421d57fcf7fdeb5db0e4519655670d13ddcb4ccd168800df
NanoCore
e6b59da10843082defd8db8473dee80acec1d15d1180e544ff0b244c3fe19db7
NanoCore
+ 17 additional samples on MalwareBazaar
Result
Malware family:
nanocore
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Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210228-119zd3b5xs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
popup.upnadservice.icu:57138
Unpacked files
SH256 hash:
49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74
MD5 hash:
0b92ab51d6c1e28a82befa8cb13f4992
SHA1 hash:
a4b05afbcaded935c1d4b6e4dbc32b8c6ee62c5c
Link:
https://www.unpac.me/results/943ae63f-4630-4721-bb77-189f62cc85bd/
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/49f515b1faaa4273a6c3f3faf8289d685d14a5cbbe84497e9a1f29e77c6cce74

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:ach_NanoCore
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Create hunting rule
Author: Kevin Breen <kevin@techanarchy.net>

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/119985/

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