MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f886c6422b5646eb98dc8dc9ab5ed9f5f09aaee19770ef4be2b576b9ba84efaf. 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 1 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f886c6422b5646eb98dc8dc9ab5ed9f5f09aaee19770ef4be2b576b9ba84efaf
SHA3-384 hash: 1674426dfff7ae6fe36bbea8268848542d3d202749891f7912588fa58392f78f748730bec50cc31d6921116891e51194
SHA1 hash: 325605d2622f88b2bd5022cf431ac4bac4a5bfa7
MD5 hash: 5c1550f7221a9d9b974eddf72bc74721
humanhash: colorado-tango-iowa-undress
File name:ORDER SHEET - SUMMER 2021.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:328'309 bytes
First seen:2021-04-28 04:50:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki)
ssdeep 6144:9PXk7yVEzIl1pDGnPWb8YbuxdVD0Zsm1wniRoV+ZkzpQjXmuvwKTY9ylYSm:q7yyzIxiWYBD0Om1Qx+Z6pQlVCSm
Threatray 2'554 similar samples on MalwareBazaar
TLSH 3664238118D5C4D7DB3613F06D7A599A8BF1D20016E2AB4B3F14DFAE3B1B1D09A3A1E1
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.23:9875

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
194.5.98.23:9875 https://threatfox.abuse.ch/ioc/19591/

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER SHEET - SUMMER 2021.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 04:52:16 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/72c16637-79f3-4a95-9696-79e9c2cf9fce

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/144791/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Launching a process
Deleting a recently created file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
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/699979
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
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)
Uses dynamic DNS services
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: 398910 Sample: ORDER SHEET - SUMMER 2021.exe Startdate: 28/04/2021 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 14 other signatures 2->68 8 ORDER SHEET - SUMMER 2021.exe 19 2->8         started        12 ORDER SHEET - SUMMER 2021.exe 17 2->12         started        14 dhcpmon.exe 17 2->14         started        16 dhcpmon.exe 17 2->16         started        process3 dnsIp4 50 C:\Users\user\AppData\Local\Temp\...\2khe.dll, PE32 8->50 dropped 72 Maps a DLL or memory area into another process 8->72 19 ORDER SHEET - SUMMER 2021.exe 1 15 8->19         started        52 C:\Users\user\AppData\Local\Temp\...\2khe.dll, PE32 12->52 dropped 24 ORDER SHEET - SUMMER 2021.exe 3 12->24         started        54 C:\Users\user\AppData\Local\Temp\...\2khe.dll, PE32 14->54 dropped 26 dhcpmon.exe 3 14->26         started        58 192.168.2.1 unknown unknown 16->58 56 C:\Users\user\AppData\Local\Temp\...\2khe.dll, PE32 16->56 dropped 28 dhcpmon.exe 2 16->28         started        file5 signatures6 process7 dnsIp8 60 kimmyavalos7.ddns.net 194.5.98.23, 49740, 49741, 49745 DANILENKODE Netherlands 19->60 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, data 19->40 dropped 42 C:\Users\user\AppData\Local\...\tmpFF27.tmp, XML 19->42 dropped 44 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->44 dropped 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->70 30 schtasks.exe 1 19->30         started        32 schtasks.exe 1 19->32         started        46 C:\...\ORDER SHEET - SUMMER 2021.exe.log, ASCII 24->46 dropped 48 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 26->48 dropped file9 signatures10 process11 process12 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f886c6422b5646eb98dc8dc9ab5ed9f5f09aaee19770ef4be2b576b9ba84efaf/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-04-28 04:51:10 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cdmmqrlkzdoxgg4rxe2wxwz6xyjvlxbs5yo6s7cwv3ltoue56xq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 2'544 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/210428-46vaf8zszn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
kimmyavalos7.ddns.net:9875
Unpacked files
SH256 hash:
f886c6422b5646eb98dc8dc9ab5ed9f5f09aaee19770ef4be2b576b9ba84efaf
MD5 hash:
5c1550f7221a9d9b974eddf72bc74721
SHA1 hash:
325605d2622f88b2bd5022cf431ac4bac4a5bfa7
Link:
https://www.unpac.me/results/a987d731-239c-45f8-b176-ba8bbba12916/
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/f886c6422b5646eb98dc8dc9ab5ed9f5f09aaee19770ef4be2b576b9ba84efaf

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.

Cape
Cape
https://www.capesandbox.com/analysis/144791/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-28 05:00:14 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread