MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9520a7a0c84108e696742a35f72cbd1ceecb341e30e174a5387b7e0a080254. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9520a7a0c84108e696742a35f72cbd1ceecb341e30e174a5387b7e0a080254
SHA3-384 hash: 21c815a41e5e7c09a02efa52f916caca758a05e96fd89849a2ba23b71e804d55513033de20bfc17fdf60803d6704a697
SHA1 hash: 1fd34c11331a20073b91219eb54453773e5a73af
MD5 hash: 322282e07add940cc3e756cc469891e0
humanhash: lima-louisiana-queen-social
File name:01_extracted.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:19'968 bytes
First seen:2021-06-04 07:56:22 UTC
Last seen:2021-06-04 08:54:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:LRvjXqlIF80eLtL90LCg7iCn6QdLSLtmLoJefff9vwEG9/XwJwq6uJfq2GSLwq3R:LVjXqme0aRquWOtyAeo2GzDrg/
Threatray 2'222 similar samples on MalwareBazaar
TLSH C692E821B357D638C9391F3788A562401775D3869A27CF2E388C221DEF6379707E2BA1
Reporter Racco42
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01_extracted.exe
Verdict:
Malicious activity
Analysis date:
2021-06-04 07:58:30 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/d42dba75-09a3-46f6-a298-06d37d2ef562

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/164567/
Detection(s):
SecuriteInfo.com.Artemis322282E07ADD.32122.22445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Sending a UDP request
Creating a process from a recently created file
Unauthorized injection to a recently created process
Result
Verdict:
SUSPICIOUS
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797167
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for dropped file
Detected Nanocore Rat
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)
Sigma detected: NanoCore
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 429563 Sample: 01_extracted.exe Startdate: 04/06/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Sigma detected: NanoCore 2->45 47 7 other signatures 2->47 9 01_extracted.exe 15 5 2->9         started        13 RegSvcs.exe 2 2->13         started        process3 dnsIp4 37 us-east-1.route-1.000webhost.awex.io 145.14.144.111, 443, 49719 AWEXUS Netherlands 9->37 39 thedevilcoder556677.000webhostapp.com 9->39 33 C:\System32\dsgsdgsd.exe, PE32 9->33 dropped 15 dsgsdgsd.exe 1 9->15         started        18 conhost.exe 13->18         started        file5 process6 signatures7 53 Antivirus detection for dropped file 15->53 55 Machine Learning detection for dropped file 15->55 57 Writes to foreign memory regions 15->57 59 2 other signatures 15->59 20 RegSvcs.exe 11 15->20         started        process8 dnsIp9 35 212.192.241.216, 49724, 49725, 49730 RAPMSB-ASRU Russian Federation 20->35 29 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 20->29 dropped 31 C:\Users\user\AppData\Local\...\tmp58BF.tmp, XML 20->31 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 20->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->51 25 schtasks.exe 1 20->25         started        file10 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a9520a7a0c84108e696742a35f72cbd1ceecb341e30e174a5387b7e0a080254/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2021-06-04 07:57:07 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
nanocorerat
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masslogger
Create hunting rule
Similar samples:
07ebf1a396b6745787090025c29f48d0ee31d06b33d6780c64dfa2a061fc03c6
NanoCore
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3348bbff21e5de66cf00f7275086faf7069149da8dc3ed39db220b465b85cfe4
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
+ 2'212 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210604-bn1zcc6y9n/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
212.192.241.216:5005
127.0.0.1:5005
Unpacked files
SH256 hash:
4a9520a7a0c84108e696742a35f72cbd1ceecb341e30e174a5387b7e0a080254
MD5 hash:
322282e07add940cc3e756cc469891e0
SHA1 hash:
1fd34c11331a20073b91219eb54453773e5a73af
Link:
https://www.unpac.me/results/e58f687e-509a-456c-a6a2-c7140ea659c0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4a9520a7a0c84108e696742a35f72cbd1ceecb341e30e174a5387b7e0a080254

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/164567/

Comments