MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557848d9b6d6964fb3a1fc44279c7b9e728d48b659f73c2d3aed2953d083e8c5. 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: 13


Intelligence 13 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 557848d9b6d6964fb3a1fc44279c7b9e728d48b659f73c2d3aed2953d083e8c5
SHA3-384 hash: 0969cb414ae7d5acda89b3f8db9696761041947b4124a0b6dc069965ab49d48a0752ce789e6eea92553ff43a02d72732
SHA1 hash: a976edb80866f4a7a3024aecce413a6740bc9448
MD5 hash: 2416d368ab0c8c145e1ecbc5d9666aa0
humanhash: angel-white-sad-stairway
File name:2416D368AB0C8C145E1ECBC5D9666AA0.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:215'040 bytes
First seen:2021-03-30 18:28:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:yLV6Bta6dtJmakIM5j93geIiUihuoa3cJXj:yLV6BtpmkYQeItoycJXj
Threatray 1'695 similar samples on MalwareBazaar
TLSH E124CF1A37A94A2FE2CE827975120212937DC2E3A8C3F3EE59D854B75F257E1060B1D7
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
90.52.104.56:808

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
90.52.104.56:808 https://threatfox.abuse.ch/ioc/6161/

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2416D368AB0C8C145E1ECBC5D9666AA0.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 18:32:45 UTC
Tags:
nanocore rat trojan
Link:
https://app.any.run/tasks/6b97c5d0-4392-48f6-bd68-e4d1bec829a9

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/128594/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
Connection attempt
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a41d4973-0c25-41e0-a259-6155ce5234a5
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/557848d9b6d6964fb3a1fc44279c7b9e728d48b659f73c2d3aed2953d083e8c5/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2021-03-28 03:26:00 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kv4erwnw22le7m5b7rccphd3tzzi2sfwlh3tylj25uuvhued5dcq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1f39a6b78d949b49801703687e3ee181ddfba0e21b13e094f584808d5030ebe2
NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
4ab0583ffd51ef40c7531a93f294c16dfbcfaa1daf13835b8bd231c269a780c8
NanoCore
644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
NanoCore
6744cb50ec61375fecb780f86bef73a254d0fb45c5b23d0eb9ae375fa19ac4d5
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83a5d6da50195774a35e46a89d8d9854b4282ec5a3fffa02fa0f7c90d274117f
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b982293fd90384c609fb3879b14af3ab6a780c0cb9f3cb6baf1fe81a3f400e29
NanoCore
db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
NanoCore
e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
fbdbd6b6c6cd7a2b07d771d9969e53689f3601bbf7355ee49138b07511b88df7
NanoCore
+ 1'685 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/210330-nac9yrda5j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
90.52.104.56:808
Unpacked files
SH256 hash:
557848d9b6d6964fb3a1fc44279c7b9e728d48b659f73c2d3aed2953d083e8c5
MD5 hash:
2416d368ab0c8c145e1ecbc5d9666aa0
SHA1 hash:
a976edb80866f4a7a3024aecce413a6740bc9448
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/c2d2cba5-f33c-49b6-8ffd-08efa5b4a379/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/557848d9b6d6964fb3a1fc44279c7b9e728d48b659f73c2d3aed2953d083e8c5

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/128594/

Comments