MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 428b0c27a13b633a5bcde725ce2859eb38d943d2437d3652c17ed78176521371. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 428b0c27a13b633a5bcde725ce2859eb38d943d2437d3652c17ed78176521371
SHA3-384 hash: c95521b95a0a3a5bcfa784c97cbc0f6f75f7de462347ffe44a39c6c8268438314dd7b0c2c88c35d222cece07f386fde2
SHA1 hash: fe853c78c0f34d4e36cf75e788926bede8081306
MD5 hash: 825c7853b5ffdf150bc5ec1d61bbb495
humanhash: carolina-ack-colorado-pip
File name:DERA RAW FILE.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'872 bytes
First seen:2020-07-20 08:57:30 UTC
Last seen:2020-07-20 11:54:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:sLV6Bta6dtJmakIM5rrnJk4wyKmtkn3Y2Av:sLV6Btpmk6d2etYIr
Threatray 1'154 similar samples on MalwareBazaar
TLSH FD14CF1677A94A2FE2DE8679712201138379C2E398C3F7DA28D855B79F223E54A071D3
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: chowgule.co.in
Sending IP: 45.143.222.167
From: Gizem ÜN <info@bo-tek.com.tr>
Subject: Payment
Attachment: Swift.pdf.zip (contains "DERA RAW FILE.exe")

NanoCore RAT C2:
dera118.hopto.org:7031 (105.112.105.176)

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28841/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391139
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 247923 Sample: DERA RAW FILE.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 39 dera118.hopto.org 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 11 other signatures 2->49 8 DERA RAW FILE.exe 1 14 2->8         started        13 DERA RAW FILE.exe 3 2->13         started        15 wpasv.exe 3 2->15         started        17 wpasv.exe 2 2->17         started        signatures3 process4 dnsIp5 41 dera118.hopto.org 185.140.53.135, 49718, 49721, 49722 DAVID_CRAIGGG Sweden 8->41 27 C:\Program Files (x86)\...\wpasv.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmpE0D8.tmp, XML 8->31 dropped 33 C:\...\wpasv.exe:Zone.Identifier, ASCII 8->33 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->51 19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 8->21         started        35 C:\Users\user\...\DERA RAW FILE.exe.log, ASCII 13->35 dropped 37 C:\Users\user\AppData\Local\...\wpasv.exe.log, ASCII 15->37 dropped file6 signatures7 process8 process9 23 conhost.exe 19->23         started        25 conhost.exe 21->25         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/428b0c27a13b633a5bcde725ce2859eb38d943d2437d3652c17ed78176521371/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 08:59:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikfqyj5bhnrtuw6n44s44kcz5m4nsq6sin6tmuwbp3lyc5sscnyq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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8bb9b00853b7ad74a9e4c41b8974ab369d16e6289c9e9e933be5fe56539af2b1
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NanoCore
+ 1'144 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200720-j1qxr4yzba/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
dera118.hopto.org:7031
185.140.53.135:7031
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/428b0c27a13b633a5bcde725ce2859eb38d943d2437d3652c17ed78176521371

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_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.

Malspam

NanoCore

zip 9e38a87841babe1e0576e426a0dba00191c5b5ecbe602a7a8ccaac83c10d53ab

NanoCore

Executable exe 428b0c27a13b633a5bcde725ce2859eb38d943d2437d3652c17ed78176521371

(this sample)

  
Dropped by
MD5 131990c4ef5cd9adc07d668cf4075696
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28841/
  
Dropped by
SHA256 9e38a87841babe1e0576e426a0dba00191c5b5ecbe602a7a8ccaac83c10d53ab

Comments