MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5b99bdcb3a09ccef9455e82dff1902b6913280d293be51d87de78fc418e9f72. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
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SHA256 hash: f5b99bdcb3a09ccef9455e82dff1902b6913280d293be51d87de78fc418e9f72
SHA3-384 hash: bb7adaafc35a4d9e3f3293b03ee0ff98b1a36a4e5fd49447d82a87d93509ec2d7c9891a876039f4930d1825eb1c3fa96
SHA1 hash: 34f16f8e66329d969c691c7484dde73becedc710
MD5 hash: 7c96bd010e89acbdd3f8606ce25f0aea
humanhash: florida-william-quebec-zulu
File name:f5b99bdcb3a09ccef9455e82dff1902b6913280d293be51d87de78fc418e9f72
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'074'605 bytes
First seen:2020-06-16 09:30:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtWOXkRZc2fWSq8i3/Bg60Y+yF3fFQYcGwXJXeR:z5bWokRZLi35gHZev6lBA
Threatray 1'307 similar samples on MalwareBazaar
TLSH 87351202F7D248B2E27219364A29F31169BD7D201F38DE2FA7D40E6DDA72191A135F63
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10700/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/372814
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 238435 Sample: IMD_09920100.scr Startdate: 15/06/2020 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 13 other signatures 2->86 9 IMD_09920100.exe 29 2->9         started        13 rjnkgdmk.pif 2 2->13         started        15 rjnkgdmk.pif 2->15         started        17 7 other processes 2->17 process3 file4 72 C:\Users\user\AppData\Local\...\rjnkgdmk.pif, PE32 9->72 dropped 100 Drops PE files with a suspicious file extension 9->100 19 rjnkgdmk.pif 2 4 9->19         started        102 Creates autostart registry keys with suspicious values (likely registry only malware) 13->102 104 Creates multiple autostart registry keys 13->104 106 Writes to foreign memory regions 13->106 23 RegSvcs.exe 13->23         started        74 C:\Users\user\AppData\Local\...\Update.vbs, ASCII 15->74 dropped 108 Allocates memory in foreign processes 15->108 110 Injects a PE file into a foreign processes 15->110 25 RegSvcs.exe 15->25         started        27 conhost.exe 17->27         started        29 conhost.exe 17->29         started        31 conhost.exe 17->31         started        33 RegSvcs.exe 17->33         started        signatures5 process6 file7 64 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 19->64 dropped 88 Multi AV Scanner detection for dropped file 19->88 90 Writes to foreign memory regions 19->90 92 Allocates memory in foreign processes 19->92 94 Injects a PE file into a foreign processes 19->94 35 RegSvcs.exe 1 14 19->35         started        signatures8 process9 dnsIp10 76 stronggods.ddns.net 79.134.225.111, 49706, 64853 unknown Switzerland 35->76 66 C:\Users\user\AppData\Roaming\...\run.dat, data 35->66 dropped 68 C:\Users\user\AppData\Local\...\tmp11E5.tmp, XML 35->68 dropped 70 C:\Program Files (x86)\...\wpasv.exe, PE32 35->70 dropped 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->96 40 cmd.exe 35->40         started        44 schtasks.exe 1 35->44         started        46 schtasks.exe 1 35->46         started        48 2 other processes 35->48 file11 signatures12 process13 dnsIp14 78 1.1.1.1 unknown Australia 40->78 98 Uses ping.exe to sleep 40->98 50 conhost.exe 40->50         started        52 taskkill.exe 40->52         started        54 PING.EXE 40->54         started        56 conhost.exe 44->56         started        58 conhost.exe 46->58         started        60 conhost.exe 48->60         started        62 conhost.exe 48->62         started        signatures15 process16
Gathering data
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 22:01:09 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6w4zxxftucom56kfl2bn74mqfnurgkanfe56khmh3z4pyqmot5za._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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29f8b2166231d28a854811843313dd081bd628d7eb5d58c45b9b3d443a928593
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a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5
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a684a7d895b3f2ca56b7f169e595012c7aa82a66d58f91ef9f97cbe01134e549
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c0722d0e58ef57301d0883dcddf27c8eed901c9a01b186e6b400c48f7ff6a832
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e777a395f2d28d4b57113b46bb4af52ec1e6d1d48342d0fb24a142df1fffbdc7
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NanoCore
+ 1'297 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200624-lqlg7xnpke/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
stronggods.ddns.net:64853
79.134.225.111:64853
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_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/10700/

Comments