MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146
SHA3-384 hash: 81d92fc10a6530a3ebd91cb8220948103e6afb139883f010e0d91a78e30528f9796e1459519be87a00b9a132ee226e7e
SHA1 hash: 08e1d2b944399060faa141aec71f16a43d9c8675
MD5 hash: b34dac7c6a4b6b0f8b9b5f1baf7b82c6
humanhash: network-enemy-jig-charlie
File name:b34dac7c6a4b6b0f8b9b5f1baf7b82c6.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:790'528 bytes
First seen:2021-06-17 06:43:34 UTC
Last seen:2021-06-17 09:57:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:X08Q/m9wtUSLDjRJWejxJAjBCExMw50i7BIeo68JPC:X08qtUde9iFm68A
Threatray 2'251 similar samples on MalwareBazaar
TLSH 49F4BE4DB764A699D3294F768527419483ECC1B76233FBAF24E9EDF81C116AB9D0F002
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b34dac7c6a4b6b0f8b9b5f1baf7b82c6.exe
Verdict:
Malicious activity
Analysis date:
2021-06-17 06:47:51 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/626e753b-e203-46fc-8524-ec5e31600884

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/166505/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.AIK.genEldorado.32013.32756.UNOFFICIAL
Create hunting rule

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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b122f6e7-0f05-43f5-875b-7d1345b5f86b
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/803574
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Process Start Without DLL
Uses dynamic DNS services
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: 435983 Sample: 3y4JNjrN1C.exe Startdate: 17/06/2021 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 8 3y4JNjrN1C.exe 15 4 2->8         started        12 RegAsm.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\...\3y4JNjrN1C.exe.log, ASCII 8->27 dropped 49 Writes to foreign memory regions 8->49 51 Allocates memory in foreign processes 8->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->53 55 Injects a PE file into a foreign processes 8->55 14 RegAsm.exe 8 8->14         started        19 conhost.exe 12->19         started        signatures5 process6 dnsIp7 33 wealthybillionaire.ddns.net 185.140.53.154, 49721, 49724, 49725 DAVID_CRAIGGG Sweden 14->33 35 192.168.2.1 unknown unknown 14->35 29 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 14->29 dropped 31 C:\Users\user\AppData\Local\Temp\tmp583.tmp, XML 14->31 dropped 37 Uses schtasks.exe or at.exe to add and modify task schedules 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 21 schtasks.exe 1 14->21         started        file8 signatures9 process10 process11 23 conhost.exe 21->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146/
Threat name:
Win32.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-06-17 06:44:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
76
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=476a2yotjrata4op2nknwmufnkgf74vsdhvqodfewbbc4iklofda._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a1fba3b877a576f41850e0696a9ae45e4419de786d1fb2ed164b2c3c0aa97917
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
+ 2'241 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore agilenet evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210617-3g42bw2e7e/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
185.140.53.154:5540
wealthybillionaire.ddns.net:5540
Unpacked files
SH256 hash:
e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146
MD5 hash:
b34dac7c6a4b6b0f8b9b5f1baf7b82c6
SHA1 hash:
08e1d2b944399060faa141aec71f16a43d9c8675
Link:
https://www.unpac.me/results/94f7a82d-34c2-427d-8774-84f385602594/
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/e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146

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.

Web download

NanoCore

Executable exe e7fc0d61d34c413071cfd354db32856a8c5ff2b219eb070ca4b0422e214b7146

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1371438/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/166505/

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