MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582
SHA3-384 hash: 8fcccc5b62f287caeb4782eb9c7f41e68ca3ba7d48de60c1af90649565f0eee612ac9b49e36fac13f9c22b2a18e5775d
SHA1 hash: 49b6dbf5055b199db3934522e40510863b9b03ad
MD5 hash: 93c3397ebb58d8d5469ef320db308b67
humanhash: west-jig-paris-lemon
File name:ORDER-02044.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'264'128 bytes
First seen:2020-12-22 07:10:03 UTC
Last seen:2020-12-22 08:46:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:+BCuDVcQagwvUt0Qvx2epYEdcNnR5Msklf:uCIZaTst0Mx2dJNE91
Threatray 3'302 similar samples on MalwareBazaar
TLSH 75458D2237828588C928367604B9EAF12355FECB37508B1F66DB5E1B7E432DB770E149
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mail.undorthemoure.cf
Sending IP: 5.8.93.87
From: Gary Rounds<gary_rounds@yahoo.com>
Reply-To: <g.rounds@yahoo.com>
Subject: po-08484 any number
Attachment: ORDER-02044.img (contains "ORDER-02044.exe")

NanoCore RAT C2:
mohd2020.myddns.rocks:46622 (185.239.242.44)

Intelligence

File Origin
# of uploads :
2
# of downloads :
332
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER-02044.exe
Verdict:
Malicious activity
Analysis date:
2020-12-22 07:22:06 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/d21c1afe-342f-4ed3-b9cd-25f8782cad81

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/108656/
Detection(s):
SecuriteInfo.com.Generic.mg.93c3397ebb58d8d5.14602.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Creating a process from a recently created file
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/567952
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to register a low level keyboard hook
Detected Nanocore Rat
Drops PE files to the user root directory
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 333051 Sample: ORDER-02044.exe Startdate: 22/12/2020 Architecture: WINDOWS Score: 100 39 mohd2020.myddns.rocks 2->39 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: NanoCore 2->49 51 8 other signatures 2->51 8 ORDER-02044.exe 5 2->8         started        12 dhcpmon.exe 4 2->12         started        signatures3 process4 file5 33 C:\Users\user\word.exe, PE32 8->33 dropped 61 Drops PE files to the user root directory 8->61 63 Writes to foreign memory regions 8->63 65 Allocates memory in foreign processes 8->65 67 2 other signatures 8->67 14 cmd.exe 1 8->14         started        16 InstallUtil.exe 1 8 8->16         started        21 conhost.exe 12->21         started        signatures6 process7 dnsIp8 23 word.exe 6 14->23         started        27 conhost.exe 14->27         started        35 mohd2020.myddns.rocks 185.239.242.44, 46622, 49717, 49720 CLOUDIE-AS-APCloudieLimitedHK Moldova Republic of 16->35 37 192.168.2.1 unknown unknown 16->37 29 C:\Users\user\AppData\Roaming\...\run.dat, International 16->29 dropped 31 C:\Program Files (x86)\...\dhcpmon.exe, PE32 16->31 dropped 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->43 file9 signatures10 process11 dnsIp12 41 smtp.gmail.com 66.102.1.109, 49756, 49757, 587 GOOGLEUS United States 23->41 53 Antivirus detection for dropped file 23->53 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->57 59 7 other signatures 23->59 signatures13
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-22 07:11:06 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5bch7wakplaptl2dyjwajkf2bq7u2yxixvvtpdzmli64nmrowba._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
09c747b5b91073248d9ee979cc338828d2732bae47031ac0dbd8175467d2bd03
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1d41e76da681ad17d46ff9a1fb6f59afb00a8e96df9f2adf42634f05849e6fd2
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3ef73be1c506a00042d72dbef0379db91ddccfc11485688505f043e20f8442de
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623d707cab5c5dc378a5100018e29f88949f4ea4be4b34cc2fc36e1612b68100
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68bf0a42854ac13fe13a75bb213f51934a3edc0fa7a0732ddb12a68699619474
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7bd7382e7c7adb412c92a59fba2d12aa6dd4a6dbe50a1115df58979c7e172192
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7da044c42ca2197b24b974350ae45f50ba9573714685c175026ff4a29a57973b
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93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f
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a9352a90a15c864ae05d1d1138aff00094883dc44afffc471e837e46fe3eb24e
NanoCore
ddaaa650d42caaed5ddd7c307b986cdccfc25bcb84c7a4f29f9fddd26add4135
NanoCore
+ 3'292 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201222-ng4y67lh2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
NanoCore
Malware Config
C2 Extraction:
mohd2020.myddns.rocks:46622
185.239.242.44:46622
Unpacked files
SH256 hash:
71c6b5b15ca5f39eafe1c5c67b411cd0be2f83589af61138a6654a1822df97ba
MD5 hash:
302de90459f57838afee3ea890af54a8
SHA1 hash:
1ec2e780ba80f082eac8ab1d56212279e0f08508
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
SH256 hash:
46d3802acb6c708fcba3fa7b0432b362a06220c078e4a16c89b248022d753e72
MD5 hash:
2706c4174f7f3794cf3428823e8e452b
SHA1 hash:
9f135a396459c2ef6b501fd6a0ad66d683da7e24
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
SH256 hash:
fe44f18a2a5955e8c2ba8d40a00c6c0633bc7b2d4066f990ec20eae1947b5960
MD5 hash:
50f1c588f2e7326dbb47b2c2abac4a57
SHA1 hash:
d1d10fc232f62010c683e017aa8f46180fa46639
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
SH256 hash:
2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582
MD5 hash:
93c3397ebb58d8d5469ef320db308b67
SHA1 hash:
49b6dbf5055b199db3934522e40510863b9b03ad
Link:
https://www.unpac.me/results/98760c7a-347e-4c0b-b02b-7e0a96ff9ade/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582

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.

Malspam

NanoCore

img 6f221b41db1893a313a432eb4484e03711e7ef0f3e5b69344bf9d57f7777e98e

NanoCore

Executable exe 2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582

(this sample)

  
Dropped by
MD5 1204cc068037a9aa6a2318961055d25e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6f221b41db1893a313a432eb4484e03711e7ef0f3e5b69344bf9d57f7777e98e
Cape
Cape
https://www.capesandbox.com/analysis/108656/

Comments