MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e350c2b790eeb871bb66775ef6b1951521ebedbacb8f8ba5d536731fc0b2e7ca. 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: 12


Intelligence 12 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e350c2b790eeb871bb66775ef6b1951521ebedbacb8f8ba5d536731fc0b2e7ca
SHA3-384 hash: f5f4c276558e0cacff64ef27e3efebf61a6448c1ab39ecfb19dbaf162f18a8c3ead8b67ae0cd66f8c484189bdb0bfda0
SHA1 hash: d5b989aa92eb4ca63a52dd58a56785bcf4f6b2ec
MD5 hash: 440eb96e2a1cf21720dd8d9ff9e5a2f3
humanhash: kilo-diet-winter-spaghetti
File name:Arrival Notice INV 4843932.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'372'160 bytes
First seen:2021-06-22 12:26:25 UTC
Last seen:2021-06-22 12:36:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:2jpfJuOA9+6CpGPvmZGkTLl1xoJKEeHeM6x+8PPP4:2+OirCpTQaXxUy
Threatray 2'305 similar samples on MalwareBazaar
TLSH C5559E1CA4AF9953D3BBFB788AF1B980E73CA3A07D3BD027053305AED928D895557484
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.140.53.142:5657

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.140.53.142:5657 https://threatfox.abuse.ch/ioc/139876/

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Arrival Notice INV 4843932.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 12:29:35 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/d11c1727-1683-4aee-a7fb-6c70c9d5cdb8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nanocore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/167553/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.867.3988.22810.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/8d30fead-e1ae-464c-a7da-19724b8210ac
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805940
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 438351 Sample: Arrival Notice INV 4843932.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 56 night90.ddns.net 2->56 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 11 other signatures 2->70 9 Arrival Notice INV 4843932.exe 9 2->9         started        13 dhcpmon.exe 2->13         started        signatures3 process4 file5 52 C:\Users\user\AppData\Roaming\fykTlRhx.exe, PE32 9->52 dropped 54 C:\Users\user\AppData\Local\...\tmp9B2A.tmp, XML 9->54 dropped 72 Adds a directory exclusion to Windows Defender 9->72 74 Injects a PE file into a foreign processes 9->74 15 Arrival Notice INV 4843932.exe 9->15         started        20 schtasks.exe 1 9->20         started        22 powershell.exe 24 9->22         started        24 2 other processes 9->24 signatures6 process7 dnsIp8 58 night90.ddns.net 185.140.53.142, 49708, 49716, 49723 DAVID_CRAIGGG Sweden 15->58 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 15->46 dropped 48 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 15->48 dropped 50 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 15->50 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->60 62 Adds a directory exclusion to Windows Defender 20->62 26 powershell.exe 20->26         started        28 schtasks.exe 20->28         started        30 powershell.exe 20->30         started        38 2 other processes 20->38 32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        file9 signatures10 process11 process12 40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e350c2b790eeb871bb66775ef6b1951521ebedbacb8f8ba5d536731fc0b2e7ca/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2021-06-22 12:27:10 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4nimfn4q524hdo3go5ppnmmvcuq6x3n2zohyxjovgzzr7qfs47fa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
NanoCore
4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 2'295 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210622-vb8rf7whn6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
night90.ddns.net:5657
127.0.0.1:5657
Unpacked files
SH256 hash:
60ca3beb7249765df2da2122bd44b0a4127abed9503080e6375f1a43a39307c9
MD5 hash:
8fc509bc2f84b9d894a7988820e6f60e
SHA1 hash:
facd1974c048dd9b0ec8d772c2219fb5e771fc47
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/9df9e0fb-dabb-47d4-bae9-4543fb5a3176/
SH256 hash:
63cae55152dd3bee39a6bd9df13da1550a89954a1932cb4e03e183c3a3cfc067
MD5 hash:
b723fc001824318c6933422940f0e84d
SHA1 hash:
85d8813cf57ff204ceaaf945ab39f1dc56712816
Link:
https://www.unpac.me/results/9df9e0fb-dabb-47d4-bae9-4543fb5a3176/
SH256 hash:
175fc5922cf3e2576fa3d7ca8274c076bb6239d4fec3365c5b3c550049f581a9
MD5 hash:
9999b8fcee8aca5e1e02f9144d8d55f3
SHA1 hash:
6ccea457627425744fb299414cacc0196103dcf1
Link:
https://www.unpac.me/results/9df9e0fb-dabb-47d4-bae9-4543fb5a3176/
SH256 hash:
e350c2b790eeb871bb66775ef6b1951521ebedbacb8f8ba5d536731fc0b2e7ca
MD5 hash:
440eb96e2a1cf21720dd8d9ff9e5a2f3
SHA1 hash:
d5b989aa92eb4ca63a52dd58a56785bcf4f6b2ec
Link:
https://www.unpac.me/results/9df9e0fb-dabb-47d4-bae9-4543fb5a3176/
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/e350c2b790eeb871bb66775ef6b1951521ebedbacb8f8ba5d536731fc0b2e7ca

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
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/167553/

Comments