MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81b26504ee095df57c80e9ea296b04b722f54a3b5b4e28047134768f7972edfc. 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
| SHA256 hash: | 81b26504ee095df57c80e9ea296b04b722f54a3b5b4e28047134768f7972edfc |
|---|---|
| SHA3-384 hash: | e3e9852f89b9cc9604eb9838031cc4ada6b704a05c3b40515854f169befe9a14fcf5dca288dc343075e0ecad1b70620f |
| SHA1 hash: | 41b5de74c8efe58bf34ec3f2ea3016e9aa0fdb90 |
| MD5 hash: | 9af247216b922064b2cfc5a50ea27070 |
| humanhash: | butter-autumn-november-oranges |
| File name: | Purchase Order SZ5-9020, pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 361'472 bytes |
| First seen: | 2020-05-09 10:46:04 UTC |
| Last seen: | 2020-05-09 11:58:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:paQLfMETpzZBLgnPcfp8PZkpGLFd7pwd4Yv0Y7WOK2en8a0UcIvheWNr:cMZmnMm3xfvYv0KKlDvT |
| Threatray | 2'773 similar samples on MalwareBazaar |
| TLSH | 3E74BD84E6005BA7DC2A57350532CC7112B3BD7EA570EA4D3CCE3DBB3ABB2929614563 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore nVpn RAT |
abuse_ch
Malspam distributing NanoCore:HELO: sgw.vservers.es
Sending IP: 149.62.173.222
From: info@salezone.lv
Subject: Purchase Order SZ5-9-020
Attachment: Purchase Order SZ5-9020, pdf.iso (contains "Purchase Order SZ5-9020, pdf.exe")
NanoCore RAT C2:
strivemaxlogs.ddns.net:777 (185.165.153.31)
Pointing to nVpn:
% Information related to '185.165.153.0 - 185.165.153.255'
% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacy-matters.co'
inetnum: 185.165.153.0 - 185.165.153.255
netname: PRIVACY_MATTERS
remarks: This prefix belongs to a VPN service provider.
remarks: For us the privacy of our customers matters, which means we store no logs
remarks: related to any IP addresses.
remarks: Spamhaus, please note that blacklisting the clean prefixes of our hosting
remarks: partners and upstream providers is an act of coercion and will no longer
remarks: be tolerated.
remarks: Coercion is punishable by a custodial sentence or by a monetary penalty.
remarks: If you continue such practice we will not only take legal actions against
remarks: your organization, but also make such blackmailing attempts public in the
remarks: media.
country: AT
admin-c: PMVS3-RIPE
tech-c: PMVS3-RIPE
org: ORG-PMVS1-RIPE
status: ASSIGNED PA
mnt-by: PM-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2019-10-18T13:31:16Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-09 11:35:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 30 (73.33%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'763 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
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
NanoCore
Malware Config
C2 Extraction:
strivemaxlogs.ddns.net:777
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 |
|---|---|
| Author: | abuse.ch |
| Rule name: | Nanocore |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | Nanocore_RAT_Feb18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| 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 |
|---|---|
| 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.
f69ddda9460a89caa8bd67754ddbafa7
Dropped by
MD5 f69ddda9460a89caa8bd67754ddbafa7
Delivery method
Distributed via e-mail attachment
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