MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6fa24e0210cf4e792b983adf65416871b6a4792fbd5ba3ccaf15484159c776b. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6fa24e0210cf4e792b983adf65416871b6a4792fbd5ba3ccaf15484159c776b
SHA3-384 hash: 3bac67d7b607e819185bcccd94044f63e138a39b06a46ca44be6e98d4558717218d2034094f7e520c11e5ee5859e73f0
SHA1 hash: c9734fb9ec3613a6e5d6a7b9c6ddfe00966ea1e8
MD5 hash: aad72f385298c9737ad5fd9674a1800b
humanhash: oranges-early-aspen-low
File name:PurchaseOrder#PO7211A20_RFQ_Samples_Pacific_Keystone_co.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:409'088 bytes
First seen:2020-05-06 07:04:59 UTC
Last seen:2020-05-06 07:53:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hk+TW83O/cpOXF0+HUieBvm1n+5FyjNuc:HWjh0ZBO1WFy
Threatray 2'399 similar samples on MalwareBazaar
TLSH 5D94E08E7218F1DEC9178C31FD689CF06762AC66E31B410B5077BDA9B6BC8538F051A6
Reporter jarumlus
Tags:NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.DownLoader33.39175.10131.20325.UNOFFICIAL
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Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
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Status:
Malicious
First seen:
2020-05-06 04:00:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u35cjybbbt2opevzqow7mvawq4nwur4s7pk3upgk6fkiifm4o5vq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
02b10c6690bd0ed3e9b675553519df78a7ede63a398d68304043eacb691fd305
NanoCore
0a61e8b840644e0fb6739996a0d65da3b8b7f40478e96afbc889d9c7bf65a73f
NanoCore
1c2fafc2031b76ab4caf3f91474f023321703a820209da4591192b6ca7cd09d2
NanoCore
21660565519bf1bf0b97b9cf935ab5e2d94ca790bc181c2ab8d1977d729ff4c7
NanoCore
49921e6531eac85bf200970640a074072f6071b7a18d23af56706788cd421c1c
NanoCore
582ec0985f0066dab40c455d1f8e6c414d9d5d0c156f673c6327efb901d97542
NanoCore
7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
bc9204be92ac0bd373bc0153d02be668ad82d382ebcc112fa8c252e6f9c67080
NanoCore
dbca819ad2c4de0144bdb155bc19c18dc848ca4bcf85b5cd5fba645c7e814cef
NanoCore
+ 2'389 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/201109-fynqnmc9b6/
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
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.97.48:4488
127.0.0.1:4488
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
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Author:abuse.ch
Rule name:Nanocore
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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.

Malspam

NanoCore

Executable exe a6fa24e0210cf4e792b983adf65416871b6a4792fbd5ba3ccaf15484159c776b

(this sample)

NanoCore

arj b9660d46a2ceda67a0eb38cee7d4f26a271ce51a2470cd71008fc20ef05698f8

  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b9660d46a2ceda67a0eb38cee7d4f26a271ce51a2470cd71008fc20ef05698f8
  
Dropping
MD5 9b2fd01a5eb1b2be50c48f3797dee997

Comments