MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 073180c12531e3801569f67a0a0df8705333fe69003f2f3f797b44c6c28bad53. 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 8 File information Comments
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SHA256 hash: 073180c12531e3801569f67a0a0df8705333fe69003f2f3f797b44c6c28bad53
SHA3-384 hash: d0f8790467b9eab261e20b7c26c2b4f4f23c65687f2d65c11087d69619be36199f4b6ead03160c4c8673af560e72f810
SHA1 hash: 7190572f39e307428e7270655979dc9abb14e498
MD5 hash: 86b584a6a9c2f977d973e5c2b6d1a1de
humanhash: ack-magazine-table-earth
File name:86b584a6a9c2f977d973e5c2b6d1a1de.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'364'704 bytes
First seen:2021-04-15 17:15:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:v/Jq3zzzmKhdh6pKWGYJjiLWNrxxhdjssDaPcwgXUvQRnhKoSs98h7omgSomg/At:vxqBsD9F3NzNZwXv6hzV8NlJEAt
Threatray 1'747 similar samples on MalwareBazaar
TLSH 6655166C75049AD7C9AB03F6A32C4C0096F19D4EA6FBF64DE8833CA6B6BD741B125143
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
azizurfattahtrading.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
86b584a6a9c2f977d973e5c2b6d1a1de.exe
Verdict:
Malicious activity
Analysis date:
2021-04-15 18:00:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dac7250e-5408-4b25-8c98-a1dadc889029

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/135311/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
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/679128
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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: 388517 Sample: clKy1KkGOa.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 60 azizurfattahtrading.ddns.net 2->60 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 10 other signatures 2->74 8 clKy1KkGOa.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        signatures3 process4 dnsIp5 54 C:\Users\user\AppData\Roaming\ymTsJknj.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\...\tmpE0F4.tmp, XML 8->56 dropped 58 C:\Users\user\AppData\...\clKy1KkGOa.exe.log, ASCII 8->58 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 8->76 78 Adds a directory exclusion to Windows Defender 8->78 80 Injects a PE file into a foreign processes 8->80 15 clKy1KkGOa.exe 8->15         started        20 powershell.exe 21 8->20         started        22 powershell.exe 21 8->22         started        32 2 other processes 8->32 62 192.168.2.1 unknown unknown 12->62 24 powershell.exe 12->24         started        26 schtasks.exe 12->26         started        28 powershell.exe 12->28         started        30 dhcpmon.exe 12->30         started        file6 signatures7 process8 dnsIp9 64 azizurfattahtrading.ddns.net 185.140.53.139, 4559, 49704, 49708 DAVID_CRAIGGG Sweden 15->64 48 C:\Program Files (x86)\...\dhcpmon.exe, PE32 15->48 dropped 50 C:\Users\user\AppData\Roaming\...\run.dat, data 15->50 dropped 52 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 15->52 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->66 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        file10 signatures11 process12
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/073180c12531e3801569f67a0a0df8705333fe69003f2f3f797b44c6c28bad53/
Threat name:
ByteCode-MSIL.Infostealer.Coins
Create hunting rule
Status:
Malicious
First seen:
2021-04-14 12:41:21 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a4yybqjfghryaflj6z5audpyobjth7tjaa7s6p3zpncmnqulvvjq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0e206f1cf56315c1d4245ca01cac08ebab51decab43760d40e43a754d27da7b6
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63
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8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17
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be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b
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cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
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e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
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e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
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e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
+ 1'737 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/210415-avzw3dymfx/
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:
azizurfattahtrading.ddns.net:4559
185.140.53.139:4559
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/fde306f3-fba9-4bde-9c35-b913d168e693/
SH256 hash:
073180c12531e3801569f67a0a0df8705333fe69003f2f3f797b44c6c28bad53
MD5 hash:
86b584a6a9c2f977d973e5c2b6d1a1de
SHA1 hash:
7190572f39e307428e7270655979dc9abb14e498
Link:
https://www.unpac.me/results/fde306f3-fba9-4bde-9c35-b913d168e693/
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/073180c12531e3801569f67a0a0df8705333fe69003f2f3f797b44c6c28bad53

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:INDICATOR_KB_CERT_0c5396dcb2949c70fac48ab08a07338e
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificate
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Cape
Cape
https://www.capesandbox.com/analysis/135311/

Comments