MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226. 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: 12


Intelligence 12 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226
SHA3-384 hash: a4ee67f4d4122c1f0eaccaca0ab7c066f8f0e275515f411d37f50c84ab6edd37ae35518854d98e969796a3ea923ed1f9
SHA1 hash: f5221832b2b4b7338bc21e42f7e2c983d82dbdf4
MD5 hash: cd0645cb78b55f0babbdbc4d51f23bd8
humanhash: london-mike-october-floor
File name:R6093846s-Invoice-Receipt.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:896'000 bytes
First seen:2021-07-22 15:11:28 UTC
Last seen:2021-07-22 15:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:uhdsjoEa0P0ug8+KpRJIwOauaExsH+XViPUN9AuTcxNzVD7+xQipP5r:2dsjT/zga3Ju7a+S+XViPUNiuY7Ripp
TLSH T13B15AE875E8E865EC15C4DF69B759C4686314DBB290AF3032EC130ECDA3F6DA889F512
dhash icon 387462ecf4f0cfc0 (1 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.244.26.194:8090

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.244.26.194:8090 https://threatfox.abuse.ch/ioc/162121/

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
R6093846s-Invoice-Receipt.exe
Verdict:
Malicious activity
Analysis date:
2021-07-22 15:12:53 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/6cb89c91-e5f1-4156-9d74-1d13fb243af8

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/173359/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.946.26603.47.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a422385-0fc6-4d75-ad91-83877fd5dce6
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820234
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
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 Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 13:58:26 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnqye47ar5hjmm7mgwop6vitixinvpymmtnj2o2ug7i4rdcl2ita._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210722-bdrnv9b7y6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
omaprilcode.duckdns.org:8090
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/c9fa781d-f1ae-4618-9077-96af17809323/
SH256 hash:
14f80c865115e7bd914f07818d711a44f8bebb56c1dc97b8400fcc08fd63ed19
MD5 hash:
3fcb03e9ba7da687d3b2922e832fc4a0
SHA1 hash:
91b751d86361235d5887f0308164365a2200cd87
Link:
https://www.unpac.me/results/c9fa781d-f1ae-4618-9077-96af17809323/
SH256 hash:
ec0c42cc1c03a4cc8ccd0d18bed18502ede4889fb493b65968354c71492621e8
MD5 hash:
3f3de54f19999baa638fa31927648100
SHA1 hash:
3ee5f90fad19b8e2eeb5e1cc42d7b36ee1c62b3f
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/c9fa781d-f1ae-4618-9077-96af17809323/
Parent samples :
920f8094f26c8540082ba329bbdbdba2ba082d4f6b8427103f6acd2ae66ef89c
cc7c0a2fd21ee05de6e38f9cd0e24ac685fbf16c92e2ec3be461d6cd19caec15
5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226
SH256 hash:
5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226
MD5 hash:
cd0645cb78b55f0babbdbc4d51f23bd8
SHA1 hash:
f5221832b2b4b7338bc21e42f7e2c983d82dbdf4
Link:
https://www.unpac.me/results/c9fa781d-f1ae-4618-9077-96af17809323/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/5b618273e08f4e9633ec359cff551345d0dabf0c64da9d3b5437d1c88c4bd226

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/173359/

Comments