MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76189982f3df9203548f9c9c005da310034b5c2f0d02f58de2a20e00ee26ed87. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76189982f3df9203548f9c9c005da310034b5c2f0d02f58de2a20e00ee26ed87
SHA3-384 hash: 23cd832256d9d249b62f699f846e5bfc813c154c44f1d160acca508c1ada6aa5b0807809464981a54963dd4636534842
SHA1 hash: 4631123e7260048f2b8a559f74033ff37853a715
MD5 hash: 46574a64164771fb5ada00d29a8d50e8
humanhash: six-double-four-vermont
File name:PO.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'039'872 bytes
First seen:2020-06-29 12:31:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9a5cc778d0f4132de3891c04833334e8 (9 x AgentTesla, 3 x Loki, 2 x NanoCore)
ssdeep 12288:pjnGLjIup+Q67pPhPc3IAMXOvIHoFdDRVmqOJ1UVSPQHi9GyYhPS2Kcjm1GkuHwu:pjoUuGNhPc3uOIoScVS6i9t018cHw7cF
Threatray 2'514 similar samples on MalwareBazaar
TLSH 15259D22F2924433E1F2967C9D1B92B5983ABE003D3858467BF5CD6C5F3968378352A7
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.ebelathy.com
Sending IP: 45.95.169.187
From: Purchase Dept <info@ebelathy.com>
Subject: Request for Invoice
Attachment: PO.pdf.z (contains "PO.pdf.exe")

NanoCore RAT C2:
caglar223.ddns.net:9033 (79.134.225.20)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.63'

% Abuse contact for '79.134.225.0 - 79.134.225.63' is 'abuse@anmaxx.net'

inetnum: 79.134.225.0 - 79.134.225.63
netname: BASEL-HOSTING-225-0
country: CH
admin-c: AM38880-RIPE
tech-c: AM38880-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
created: 2016-04-17T00:42:52Z
last-modified: 2016-04-18T06:23:19Z
source: RIPE
remarks: abuse-c AIS166-RIPE
org: ORG-AGIS12-RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/16273/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

PUA.Win.Adware.Webalta-6854075-0
Create hunting rule

PUA.Win.Adware.Webalta-6862190-0
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76189982f3df9203548f9c9c005da310034b5c2f0d02f58de2a20e00ee26ed87/
Threat name:
Win32.Infostealer.PonyStealer
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 12:33:07 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oymjtaxt36jagveptsoaaxndcabuwxbpbubpldpcuihab3rg5wdq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
72085a6683fbd36131021d63dff1637225c452606c901a7ebe58bdd7795af521
NanoCore
766904989084e0264f16fd4aff548ca862836d2f6a4ce72c4d0bf66ff78ec478
NanoCore
7dfd68770a471f5991cb5b91816584e1c8e6c764bd4d8655c2d752099c5ad057
NanoCore
a337bd46dfdc25f5d50ea783b87c7a38e5ef7b6bfd031662c1d857e593869e19
NanoCore
a7b022be326a3aa380e1bd55bde21fea8d7e0c59e037b7db2902c63b01bb6fda
NanoCore
aee0158a9f836306b64e6c99e732073aa81fe23944c91a3d0fcf9a92508019ec
NanoCore
bd23c3a3d5215798a115525fe15803ee5f4393ae77d49e081770761beecb14ea
NanoCore
caaa20071d2693f278d88f78d33eeb4a12a548d0e4eff646a4ac304915361e10
NanoCore
d4d803a83e2c4c348972b6b8e5fce93416b0c60977a447818f592795505fdff1
NanoCore
f4dc1e741d3aef915ff984ff1346fc85ec3d37e9e89b275bb344e25c767751da
NanoCore
+ 2'504 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore persistence evasion
Link:
https://tria.ge/reports/200629-98gd9xhwwa/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
UPX packed file
NanoCore
Malware Config
C2 Extraction:
caglar223.ddns.net:9033
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.

Malspam

NanoCore

z 81ff635f9fcf1442d62766baf2fb6f14e008c25d2f3e65dde255cf395680fe08

NanoCore

Executable exe 76189982f3df9203548f9c9c005da310034b5c2f0d02f58de2a20e00ee26ed87

(this sample)

  
Dropped by
MD5 726dfb03e620b76af2a414cbfc759d8e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/16273/
  
Dropped by
SHA256 81ff635f9fcf1442d62766baf2fb6f14e008c25d2f3e65dde255cf395680fe08

Comments