MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee
SHA3-384 hash: 1a0a21a16ea049c734e78fdd21c59abde6e664422e3038cab83affe00b099767d0653a1e017bb1d1b1ffb78b944275a0
SHA1 hash: bf6f80dc55cfa1d2ea3c20dbdb41d5c67f34c7ec
MD5 hash: 0ba28720f81af59e805025df3ba21376
humanhash: march-item-rugby-missouri
File name:Payment Receipt.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'044'992 bytes
First seen:2021-02-04 17:22:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:EoEslXMhlC/IEJkUmS+TEt6da9cad/risjuyfgdnTf2:EbsxMMr+GGa9cadziouyfgdTe
Threatray 31 similar samples on MalwareBazaar
TLSH 8D25BE2033414BA8E1FD57FAD130000097FA9405DFA6E459ADAA49A5D27FEEDD2E133E
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
cool.gotdns.ch:7451 (185.19.85.136)

Intelligence

File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/115667/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.529.28195.16463.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/599622
Signature
.NET source code contains potential unpacker
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)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 348844 Sample: Payment Receipt.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 47 cool.gotdns.ch 2->47 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 12 other signatures 2->61 9 Payment Receipt.exe 7 2->9         started        12 Payment Receipt.exe 4 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\...37cpENQCiPEl.exe, PE32 9->37 dropped 39 C:\Users\...39cpENQCiPEl.exe:Zone.Identifier, ASCII 9->39 dropped 41 C:\Users\user\AppData\Local\...\tmpC619.tmp, XML 9->41 dropped 43 C:\Users\user\...\Payment Receipt.exe.log, ASCII 9->43 dropped 14 Payment Receipt.exe 8 9->14         started        19 schtasks.exe 1 9->19         started        21 schtasks.exe 1 12->21         started        23 Payment Receipt.exe 2 12->23         started        25 Payment Receipt.exe 12->25         started        27 Payment Receipt.exe 12->27         started        process6 dnsIp7 49 cool.gotdns.ch 185.19.85.136, 49699, 49702, 49705 DATAWIRE-ASCH Switzerland 14->49 51 192.168.2.1 unknown unknown 14->51 45 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 14->45 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->53 29 schtasks.exe 1 14->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        file8 signatures9 process10 process11 35 conhost.exe 29->35         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-02-04 17:22:14 UTC
AV detection:
31 of 48 (64.58%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfpozd6cphsxdbyueogbmeznptvepxwavsbijjhchp5iabgucpxa._file
Verdict:
unknown
Similar samples:
24b33061aab70e4e0105998c5913f35b8281c04772802b94088d3197bec5e92c
NanoCore
27945f57ff64c91e1c0791d70d13c713e798b95c1f6166c3690221cd7d863e75
NanoCore
2c835f6d420ccba02279383c7fd61f0b3729c82d0e0b85793426ff9b57b643fd
NanoCore
7bd5bec9acaa306d9c0a3d99110f4ca4eb2ad328cf181f840fe83b036c65128a
NanoCore
87c990c0d0a22df9778ebc4783811321835e40ea5f2d2a62f3941e5df7021b4e
NanoCore
a9a697209f71d50709d9f478079d062b61456682313ed32ff2246c5b57f6264f
NanoCore
b1dd6cd8ec1eaeac1085928b56d0b07f88271a7c044b0c8b1d128749936c8637
NanoCore
be09092f910db9d06551f0705949487bda9c630e8b3124ef21ec7cb3e3d2bcbb
NanoCore
cec0d7386b998dba9bfa44dd0d13a423924e4cfe601d3cf8c8beb609fdb05342
NanoCore
ea3ee3d0360a7d1026af23da26cfee722a22dda0ad90ff647bffd848db7e08e6
NanoCore
+ 21 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210204-4mjmlcp6bx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
cool.gotdns.ch:7451
Unpacked files
SH256 hash:
7fc5cc67a184c8058f76e2b6abcd8abba8908526e7db435745595194a81880de
MD5 hash:
1ef7fdd1a46c76e2962fbbfe063a8700
SHA1 hash:
db76fba539b098691184fd506031284b41f54a76
Link:
https://www.unpac.me/results/9f608541-419e-4d9e-8812-637a978eaf89/
SH256 hash:
915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee
MD5 hash:
0ba28720f81af59e805025df3ba21376
SHA1 hash:
bf6f80dc55cfa1d2ea3c20dbdb41d5c67f34c7ec
Link:
https://www.unpac.me/results/9f608541-419e-4d9e-8812-637a978eaf89/
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/915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee

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.

Malspam

NanoCore

Executable exe 915eec8fc279e5718714238c16132d7cea47dec0ac8284a4e23bfa8004d413ee

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115667/

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