MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea8ea37e535102a446a8c2f88ef6a3c9277e996a32144449cde729bda80e16f2. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea8ea37e535102a446a8c2f88ef6a3c9277e996a32144449cde729bda80e16f2
SHA3-384 hash: e9824f5733e5dde0a79fd7af2c67b1f5b06c0a8efe900cece13abb79fdf724b4e7d8cf973bd9bcc4829cfbb9f676bf8d
SHA1 hash: 42af260f9dde6e0449610062fd5927973b9b09ee
MD5 hash: 0e96a5fdd10ea0048c2885e31b5e9c50
humanhash: butter-single-maine-yankee
File name:SOA_30_11_2020,pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:797'696 bytes
First seen:2020-12-30 08:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Nxm7Yn3bRUJbOnABuSmS6hBz2qJZ1iWZwlE/3z/5nddmmVO7IrDAc1TpAD:NxIYYbOemS6vjpJ/3z/EQ/L11
Threatray 1'437 similar samples on MalwareBazaar
TLSH 4405DF6253085B6DF57D93349461140453F2EA1BD326EFBD7EEDA0CE0866F808AB2637
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.laulacly.com
Sending IP: 45.85.90.235
From: William Joly <office@laulacly.com>
Subject: SOA as 30.11.2020
Attachment: SOA_30_11_2020,pdf.zip (contains "SOA_30_11_2020,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
492
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA_30_11_2020,pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-30 08:31:51 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/2aa697ee-0523-4d68-99be-abb82e3cf2d0

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/109926/
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
SUSPICIOUS
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/571888
Signature
Allocates memory in foreign processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 335010 Sample: SOA_30_11_2020,pdf.exe Startdate: 30/12/2020 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 8 SOA_30_11_2020,pdf.exe 7 2->8         started        13 MSBuild.exe 2 2->13         started        process3 dnsIp4 40 192.168.2.1 unknown unknown 8->40 32 C:\Users\user\AppData\...\PGwhoTwXAg.exe, PE32 8->32 dropped 34 C:\Users\...\PGwhoTwXAg.exe:Zone.Identifier, ASCII 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp85E9.tmp, XML 8->36 dropped 38 C:\Users\user\...\SOA_30_11_2020,pdf.exe.log, ASCII 8->38 dropped 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 58 Injects a PE file into a foreign processes 8->58 15 MSBuild.exe 11 8->15         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 13->22         started        file5 signatures6 process7 dnsIp8 42 billionaire.ddns.net 185.140.53.135, 3734, 49714 DAVID_CRAIGGG Sweden 15->42 30 C:\Users\user\AppData\Roaming\...\run.dat, data 15->30 dropped 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 24 schtasks.exe 1 15->24         started        26 conhost.exe 20->26         started        file9 signatures10 process11 process12 28 conhost.exe 24->28         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ea8ea37e535102a446a8c2f88ef6a3c9277e996a32144449cde729bda80e16f2/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-12-30 08:31:05 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5khkg7stkebkirviyl4i55vdzetx5glkgikeison44u33kaoc3za._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
036c0fbb1ffb23e9bfd4b4834a396d79ec319078865adf3ef75418450cf9fd18
NanoCore
3521a9cd1d18d9991b29966ae472097ae2996fc50c230ac06762f9e7666656f5
NanoCore
5fd2a9f7370fb2395eba599c52c1a8297d2e5074dea8122e181a3be762b0fac2
NanoCore
602b19f259171ac577fb9d67952442c71809b4b3977484115883d7ed6be067a3
NanoCore
63dfa06e060f866e2762247bd6f172422c735f8d6f4402bf4b709933c2d4da59
NanoCore
7795d2106023220b5e106b1e05815e7818d66189c01d4bc927767008fccdc6d2
NanoCore
8192d560e89e235f4734cf4ad8fa3a9a91abd7eb83b589c4d471efc5d6361f1d
NanoCore
b15a2d93ad39a55b90248ef52e7543bfc3268af18225342a67f45061183c13aa
NanoCore
be240aed297970b0e97f46ce8964784645c8bfeb7b4ffc451ab7857b7df8438f
NanoCore
ccf661061226a4fe358b46c6fab8a29686323e41aa50fe06c06963c9939a2669
NanoCore
+ 1'427 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201230-d4lsl7lbh2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
billionaire.ddns.net:3734
Unpacked files
SH256 hash:
ea8ea37e535102a446a8c2f88ef6a3c9277e996a32144449cde729bda80e16f2
MD5 hash:
0e96a5fdd10ea0048c2885e31b5e9c50
SHA1 hash:
42af260f9dde6e0449610062fd5927973b9b09ee
Link:
https://www.unpac.me/results/40bce066-27fb-4b40-bb90-fffd49aa72c4/
SH256 hash:
7add54c57ebead1ced0fdd86f1e8fbfb34d9c3f42ed0a8f1dd01c2d7fbdd22df
MD5 hash:
c92b6d01725e94682d4d1f8722d08f90
SHA1 hash:
22fedb39b80a6909343bcdf5ba846e8435841155
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/40bce066-27fb-4b40-bb90-fffd49aa72c4/
Parent samples :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 hash:
44106a7753790a12c522849b3f7da238337bd0342e5664021e25f79b2705ae9a
MD5 hash:
d43e8dcc8f8b23c144f820eaa9bdbee4
SHA1 hash:
41faa61eb543ac1386e59ef1e3c485a19458ff68
Link:
https://www.unpac.me/results/40bce066-27fb-4b40-bb90-fffd49aa72c4/
SH256 hash:
f53ff011cdde31c8d40637be5292141c539586c6d911cf2a24a89fcefc5eaf0c
MD5 hash:
54e80a7201e3623ffc55ccf885eeed12
SHA1 hash:
468b0db9cfdef85eeb6cb01221d4111e73fedc43
Link:
https://www.unpac.me/results/40bce066-27fb-4b40-bb90-fffd49aa72c4/
SH256 hash:
75942d84e6965381c91e8aab93dc53941653d5746f6c95f10b5c394a1a7a4244
MD5 hash:
88e3d40fd4971a3833feaa86a7213a9c
SHA1 hash:
9b944a041f5a0d454cb7513a0779b87832a30815
Link:
https://www.unpac.me/results/40bce066-27fb-4b40-bb90-fffd49aa72c4/
Please note that we are no longer able to provide a coverage score for Virus Total.

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

zip 3d88aaeaba3d9511fbbc2eae1885d2f05bbbbb892beb8b1b8eee43629c746216

NanoCore

Executable exe ea8ea37e535102a446a8c2f88ef6a3c9277e996a32144449cde729bda80e16f2

(this sample)

  
Dropped by
MD5 4530a744ed596a3717c1980f055ac4e8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3d88aaeaba3d9511fbbc2eae1885d2f05bbbbb892beb8b1b8eee43629c746216
Cape
Cape
https://www.capesandbox.com/analysis/109926/

Comments