MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21. 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: 11


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

SHA256 hash: 92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21
SHA3-384 hash: dc3d8ce09a5040a5291b04d80a3a204ba3d861cf252fd03c15590bdd18764f56103b7ca120c9c7ad397f08a4ace36280
SHA1 hash: 00175a2050235056bcfc4c4c37c11b0d1fac33b9
MD5 hash: d4dca448733f1efa1bd5795ee6764be3
humanhash: echo-white-jupiter-stairway
File name:ORDERS#4500121785_PO_PRODUCTS_BESOMI_LLC.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:402'944 bytes
First seen:2020-10-15 13:01:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:PAHba0ooSzSJ/jnlZ/pTpSfTycaqDWUYn3Y+l1yr0xDKhxfrZL75u8eJaC/YsOA:PmaHJ+5jGfjDWUXsyr0xDKfxLeJaCQJ
Threatray 1'147 similar samples on MalwareBazaar
TLSH 2184122D75F4C915FEAB0736897DAD4A4A3DBD13EA439A4F0180B21F4DB27980DC65D0
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.huincacoop.com.ar
Sending IP: 200.29.255.7
From: Fritz <fritz.e.besomi@gmail.com>
Subject: Order 4500121785
Attachment: ORDERS4500121785_PO_PRODUCTS_BESOMI_LLC.arj (contains "ORDERS#4500121785_PO_PRODUCTS_BESOMI_LLC.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71404/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Unauthorized injection to a recently created process
Setting a single autorun event
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/492473
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298740 Sample: ORDERS#4500121785_PO_PRODUC... Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 9 other signatures 2->61 9 ORDERS#4500121785_PO_PRODUCTS_BESOMI_LLC.exe 6 2->9         started        13 RegAsm.exe 2 2->13         started        15 dhcpmon.exe 2 2->15         started        17 3 other processes 2->17 process3 file4 43 C:\Users\user\AppData\Roaming\...\duypca.exe, PE32 9->43 dropped 45 ORDERS#4500121785_..._BESOMI_LLC.exe.log, ASCII 9->45 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->71 19 duypca.exe 1 3 9->19         started        22 conhost.exe 13->22         started        24 conhost.exe 15->24         started        26 conhost.exe 17->26         started        signatures5 process6 signatures7 63 Antivirus detection for dropped file 19->63 65 Multi AV Scanner detection for dropped file 19->65 67 Machine Learning detection for dropped file 19->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->69 28 RegAsm.exe 1 11 19->28         started        33 RegAsm.exe 19->33         started        process8 dnsIp9 53 194.5.97.179, 4488, 49733, 49735 DANILENKODE Netherlands 28->53 47 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 28->47 dropped 49 C:\Users\user\AppData\Local\...\tmpCCF6.tmp, XML 28->49 dropped 51 C:\Program Files (x86)\...\dhcpmon.exe, PE32 28->51 dropped 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->73 35 schtasks.exe 1 28->35         started        37 schtasks.exe 1 28->37         started        file10 signatures11 process12 process13 39 conhost.exe 35->39         started        41 conhost.exe 37->41         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-10-15 09:24:55 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sjrdpfsznraryncywc5dezz57if3d7g3livufqd3bi5z22yejiqq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2a9cf930b5e11dee35842ff73179a0467f820a95e23560d774f7ea05111de351
NanoCore
38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
NanoCore
73c1dadfe683d9f3dfcd2655018b4a17d0a679caf40195a223f387025086bc86
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
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83b70b20d0cdb13e9c420723ba5f025827d21e0c051c6e64b5553a5c372c3374
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a37f501c2d65d191828fe20bf148436de23201f6fe852d59dfa67aaa5fc206e8
NanoCore
b8f3cbf0a0b70cb4b78ca6c7506b17b63cca1de782a1897dfba2bd8156303283
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e4491a0d3030a3c03f75f931bb5f532b6064feb927a9664bda88c675d480b77c
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ed6ea055c622adab41b5eba73b4d556c4c843b9e77e21933297ca0ce972ce5c4
NanoCore
fadcffc72696cb639334be446d2aeb90743b270276f48b730efbb59b73505a85
NanoCore
+ 1'137 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/201015-7xq3lej2fj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
NanoCore
Malware Config
C2 Extraction:
194.5.97.179:4488
Unpacked files
SH256 hash:
92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21
MD5 hash:
d4dca448733f1efa1bd5795ee6764be3
SHA1 hash:
00175a2050235056bcfc4c4c37c11b0d1fac33b9
Link:
https://www.unpac.me/results/5e22ee0d-902e-4834-aa0b-dd44eab94be7/
SH256 hash:
39602d07dbd3a635dd84c3798c7e03d63e6ce815517c3c87b80dc3ecf774f304
MD5 hash:
ef82213ac82eba9d177ab295590c38d3
SHA1 hash:
df76536154197442bea91080f34530d12b2210c6
Link:
https://www.unpac.me/results/5e22ee0d-902e-4834-aa0b-dd44eab94be7/
SH256 hash:
0486950c95d5f2513f32f589af38a13568dd34280670bb142bd69b2c4e6b13a5
MD5 hash:
c1726ae67cbf33c42dc717445959810a
SHA1 hash:
3374963b1bf92b30cfdc6ed32c279c5fad91e8ea
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/5e22ee0d-902e-4834-aa0b-dd44eab94be7/
SH256 hash:
007513586951bbdb05ce1a2f3f9c574cbdcd485577a56985e6f9ec76f681a154
MD5 hash:
38057f333da87bf9fef7a884e9f3534a
SHA1 hash:
ca4c6b71662bf96b0d0dcfcf6948ea41eabdbee0
Link:
https://www.unpac.me/results/5e22ee0d-902e-4834-aa0b-dd44eab94be7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

NanoCore

arj 59ea0bf567783d3322f67f7b638c33f08047e306e5684e734eaf217e405ad3f4

NanoCore

Executable exe 92623796596c411c3458b0ba32673dfa0bb1fcdb5a2b42c07b0a3b9d6b044a21

(this sample)

  
Dropped by
MD5 2f8c2281dd77fe1b4360323f17d367ae
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71404/
  
Dropped by
SHA256 59ea0bf567783d3322f67f7b638c33f08047e306e5684e734eaf217e405ad3f4

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