MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c. 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: 16


Intelligence 16 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c
SHA3-384 hash: 2689eeeca6dbee702acb3c96e3e7b26217167e05a32628ebc15eded094a9b050ea407d1f5f7fb4d5c09b433df582ee7c
SHA1 hash: d3d62ec59bc318b215ac6e7248ca92486f6f9acc
MD5 hash: e313ac41e3f1aaf072ba426b0a97ffa6
humanhash: oregon-bravo-snake-victor
File name:JASONXX.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'872 bytes
First seen:2022-07-19 16:00:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:MLV6Bta6dtJmakIM5vitzMM3/mpjxE7pzpTVj:MLV6Btpmk8itoxizpZj
TLSH T1D414CF2677A94A2FE2DE86B9701212039779C2E2A8C3F3EF58D454B75F263E406071D7
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
141.98.6.20:6754

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
141.98.6.20:6754 https://threatfox.abuse.ch/ioc/838706/

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c.zip
Verdict:
Malicious activity
Analysis date:
2022-07-19 16:10:46 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/93006afe-189a-4e14-9bdf-7e33481c8fb9

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/291929/
Detection(s):
Win.Trojan.NanoCore-9852758-0
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Win.Dropper.Nancrat-9869495-0
Create hunting rule

Win.Dropper.Nanocore-9916514-0
Create hunting rule

Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware nanocore obfuscated packed rat schtasks.exe
Link:
https://www.filescan.io/uploads/62d6d5d40e298a94f3dec3e8/reports/a351a70c-e757-41b8-9b13-58a103f955b4/overview
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/013b5614-769b-40c0-8d58-8afebafbbd99
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036654
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669150 Sample: JASONXX.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 13 other signatures 2->44 7 JASONXX.exe 1 17 2->7         started        12 JASONXX.exe 3 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 dnsIp4 36 jasonbourne.bounceme.net 141.98.6.20, 49764, 49765, 49766 CMCSUS Germany 7->36 26 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp1FE5.tmp, XML 7->30 dropped 32 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 7->32 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->48 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        34 C:\Users\user\AppData\...\JASONXX.exe.log, ASCII 12->34 dropped file5 signatures6 process7 process8 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-07-19 16:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sf5epujedfun5dlhzbpf6xzbcitu65vledgfeyhgcax3fmslv6a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220719-tf7mhsgaek/
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
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
jasonbourne.bounceme.net:6754
127.0.0.1:6754
Unpacked files
SH256 hash:
e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c
MD5 hash:
e313ac41e3f1aaf072ba426b0a97ffa6
SHA1 hash:
d3d62ec59bc318b215ac6e7248ca92486f6f9acc
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/078fe01f-c4eb-43d1-b733-c7d6f0cb6280/
Parent samples :
e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c
b555dbdcad4c6b11b68bfe29c05f4c46f026f3c8f648f83ca8856dd3b3a9f82c
7cf6987c1d9a592a6093dbf2826a28a3f6c1f4ea552f53c58f111fd047ad3e26
442bad09c1091bfbe52a4b7c5b0a39b2691f0b56eedff731b8e90aa6f80cd388
66ff672b93bcc0ef9e19ba4a45b6f6c1943c21fe6256d2a0e448bd73049a7a6d
fcdf39985da32de4575c36dff4d20b559f50d285227b8a5d7ba1a0d3604999b2
e50bad4ff6bfecab12f99bcbb4152b0fda73f59bbff3a856b65a1c42ac65975b
0fa4a909bca937bd8f9d12a8c5b84f6cc63e1b37a3bf130b34fdcaa25be63ded
fef352daf4406a5ca5d0e53c28a1e62ca51864449fcb9440878b157f6ed52bdc
fcf292ea325e888bbf4db0055a712f8559111a8b416182867e3b5874c6932b2e
7a22ca358100f4ef7ac23fcc0ccca9e2598bdfa912d645d5a2e8295a7242e119
d37fc78eb5f2966457190f592db5a3eb21dda12fba5955883412e32cd2812c55
e60dc22766ac170d9dd494cd52ad85328e1acae8ce69c96a98e661c86a5925a8
e3948b7ff05b7e3c9328e928d16c79b979b51519d8db852896d860a20ab7be98
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/e48bd23e8920cb46f46b3e42f2faf908913a7bb5590662930730817d95925d7c

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:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
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_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/291929/

Comments