MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c
SHA3-384 hash: 0d556c10b19be0d5cffcb31e736779641af86669ff7ef93b0f5a3a4d2609e2307c64cd635eae1852804d0203d34aa63d
SHA1 hash: 24739a6b70565a2042382ac83b8f36c2a637a58d
MD5 hash: 978092c99b8ca01137e5340112257432
humanhash: sierra-wolfram-floor-virginia
File name:978092c99b8ca01137e5340112257432.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:555'008 bytes
First seen:2021-09-29 07:01:11 UTC
Last seen:2021-09-29 08:12:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:sbsaEuPjbITYEqJ5X1yyLZUzHxedJaOoMPP1StOA:s5PjZvXKMsPftOA
Threatray 3'453 similar samples on MalwareBazaar
TLSH T1B7C4AF766D41BC9ADEBB0974CC0539D04C063E779263B088AE85369E5C77212CB7AD2F
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
978092c99b8ca01137e5340112257432.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 07:10:53 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/101ef8eb-e354-42de-8ba3-9f87b18ace04

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/192841/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37674524.20838.4619.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29a610f7-e10e-49da-ab44-cc9a3b36b49f
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860929
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493585 Sample: Kr6cPPASEZ.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 78 cloudhost.myfirewall.org 2->78 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 4 other signatures 2->90 9 Kr6cPPASEZ.exe 5 2->9         started        13 dhcpmon.exe 2->13         started        15 dhcpmon.exe 2->15         started        17 Kr6cPPASEZ.exe 1 2->17         started        signatures3 process4 file5 70 C:\Users\user\AppData\...\Kr6cPPASEZ.exe, PE32 9->70 dropped 72 C:\Users\...\Kr6cPPASEZ.exe:Zone.Identifier, ASCII 9->72 dropped 74 C:\Users\user\AppData\...\Kr6cPPASEZ.exe.log, ASCII 9->74 dropped 96 Writes to foreign memory regions 9->96 98 Allocates memory in foreign processes 9->98 100 Injects a PE file into a foreign processes 9->100 19 Kr6cPPASEZ.exe 1 12 9->19         started        24 powershell.exe 17 9->24         started        26 powershell.exe 16 9->26         started        34 2 other processes 9->34 76 C:\Users\user\AppData\Local\...\dhcpmon.exe, PE32 13->76 dropped 28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        36 2 other processes 13->36 32 conhost.exe 15->32         started        38 3 other processes 17->38 signatures6 process7 dnsIp8 80 cloudhost.myfirewall.org 91.121.250.249, 49807, 49810, 49811 OVHFR France 19->80 82 192.168.2.1 unknown unknown 19->82 62 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->64 dropped 66 C:\Users\user\AppData\Local\...\tmpC37C.tmp, XML 19->66 dropped 68 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->68 dropped 92 Uses schtasks.exe or at.exe to add and modify task schedules 19->92 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->94 40 schtasks.exe 1 19->40         started        42 schtasks.exe 1 19->42         started        44 conhost.exe 24->44         started        46 conhost.exe 26->46         started        48 conhost.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 34->52         started        54 conhost.exe 36->54         started        file9 signatures10 process11 process12 56 conhost.exe 40->56         started        58 conhost.exe 42->58         started        60 conhost.exe 44->60         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2021-09-28 07:58:49 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xon75aaf5jostoi5skdmqhfjgthg7pcpuc6mlqwuatqiiqlxlywa._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
+ 3'443 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/210929-htsjzaeadr/
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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
cloudhost.myfirewall.org:5654
Unpacked files
SH256 hash:
e9125f833376695f53ef9293b82c11b9ce76b0c4c3a8ba08e0ce603b6709e4ca
MD5 hash:
d43ce550a273a716510e10a97dcf273e
SHA1 hash:
3ea2023251fa0d97440a3fbc1b6928f69e825621
Link:
https://www.unpac.me/results/1b962366-5ca0-4d8d-994e-5b0ae6d6f8ce/
SH256 hash:
bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c
MD5 hash:
978092c99b8ca01137e5340112257432
SHA1 hash:
24739a6b70565a2042382ac83b8f36c2a637a58d
Link:
https://www.unpac.me/results/1b962366-5ca0-4d8d-994e-5b0ae6d6f8ce/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bb9bfe8005ea/report/overview.html
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/bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

NanoCore

Executable exe bb9bfe8005ea5d29b91d9286c81ca934ce6fbc4fa0bcc5c2d404e08441775e2c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1635950/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192841/

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