MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62747e51aed24d6ef73ae567ae9da5ef01f91b20bad46a42127aa000e11685b4. 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: 10


Intelligence 10 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62747e51aed24d6ef73ae567ae9da5ef01f91b20bad46a42127aa000e11685b4
SHA3-384 hash: 05ed44efb63a3e46819f5060b2b8f4d3903ef556634869e0bf65bccb3f1e71bafd986bee588143d7faab899b95804bae
SHA1 hash: 75096b024bb31c3c059d9af795900d204f52f4d8
MD5 hash: decabd33c510818394f67b45b64491ee
humanhash: iowa-early-maryland-autumn
File name:MT1000979.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:25'088 bytes
First seen:2022-05-10 08:07:19 UTC
Last seen:2022-05-10 08:38:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 192:HksCKO3c9RSw1feHh7p+aNpaiovrv/x9Ps9a8a/:H/DSwfeHdp+abgjv7EU8a
Threatray 1'942 similar samples on MalwareBazaar
TLSH T1A9B2205B739D8765C5E71AB6BC6391440222FF0198D6A71EA4ECBE2F3F336048772522
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 10828c8c84868010 (5 x AgentTesla, 3 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
http://45.133.1.41/wsp/inc/6cba382c58c057.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://45.133.1.41/wsp/inc/6cba382c58c057.php https://threatfox.abuse.ch/ioc/549301/

Intelligence

File Origin
# of uploads :
2
# of downloads :
338
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT1000979.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-10 08:08:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/85d0b2bd-60fc-4074-812d-ac5215264145

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.24509.6704.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627a1d9f4b517e213c285562/reports/a535bfb7-18bf-4287-a493-f3e2348ac01f/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aa66d909-cab3-457b-a7fd-116f8c56c05e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990787
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Drops executable to a common third party application directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects files into Windows application
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Snort IDS alert for network traffic
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 / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623283 Sample: MT1000979.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 5 other signatures 2->72 8 MT1000979.exe 16 8 2->8         started        13 excel.exe 2->13         started        15 firefox.exe 14 3 2->15         started        17 firefox.exe 3 2->17         started        process3 dnsIp4 64 3.68.158.237, 49737, 49769, 49770 AMAZON-02US United States 8->64 54 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\...\MT1000979.exe.log, ASCII 8->56 dropped 58 C:\Users\user\...\Pjidyxjvrvswxhzi.exe, PE32 8->58 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->84 86 Creates multiple autostart registry keys 8->86 88 Drops executable to a common third party application directory 8->88 19 MT1000979.exe 2 5 8->19         started        24 Pjidyxjvrvswxhzi.exe 14 3 8->24         started        26 cmd.exe 1 8->26         started        90 Multi AV Scanner detection for dropped file 13->90 92 Injects files into Windows application 13->92 28 cmd.exe 15->28         started        30 cmd.exe 17->30         started        file5 signatures6 process7 dnsIp8 60 45.133.1.41, 49781, 49788, 80 DEDIPATH-LLCUS Netherlands 19->60 50 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 19->50 dropped 52 C:\Users\user\...\excel.exe:Zone.Identifier, ASCII 19->52 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->74 76 Tries to steal Mail credentials (via file / registry access) 19->76 78 Creates multiple autostart registry keys 19->78 80 3 other signatures 19->80 62 192.168.2.1 unknown unknown 24->62 32 cmd.exe 1 24->32         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        38 conhost.exe 28->38         started        40 timeout.exe 28->40         started        42 conhost.exe 30->42         started        44 timeout.exe 30->44         started        file9 signatures10 process11 process12 46 conhost.exe 32->46         started        48 timeout.exe 1 32->48         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62747e51aed24d6ef73ae567ae9da5ef01f91b20bad46a42127aa000e11685b4/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 08:08:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mj2h4uno2jgw55z24vt25hnf54a7sgzaxlkguqqspkqabyiwqw2a._file
Verdict:
malicious
Similar samples:
3b61599315b7b2f3c545912e143e618eba3cb8a494540d603f35df1253b1eaea
NanoCore
47f55d901f3a0fcc649afa6e44bd4307fffd877ac92a33fde21992a93e54b27d
NanoCore
4b08ecf8154c2aec9f610d64a7f86adcd35c42211c0b30e1ded43f05b64a5bd2
NanoCore
605ade46e2008848c5d97ab59b76fa42ae845e3833545bf933b945ae6db9839f
NanoCore
8d157cb07773e9c5ae8ea36c32de3ffe7bd3d90ca0473be19a442dc2327c524c
NanoCore
b206c2d164d66dcd9fad4cffdcb28d73eb64d2f663f1de6fb90cc10b47665c41
NanoCore
c25fe1d24cb9421c1e3041d7f6577cd75d9ba964a4744732801d12205df4b827
NanoCore
f366cb892570b264ce73bd7c818ee214f0e5f00dc008a4dac5fa5cdc095ddab7
NanoCore
+ 1'932 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:nanocore collection evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220510-j1jq3sbbbl/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
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
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://45.133.1.41/wsp/inc/6cba382c58c057.php
37.0.11.6:1515
Unpacked files
SH256 hash:
62747e51aed24d6ef73ae567ae9da5ef01f91b20bad46a42127aa000e11685b4
MD5 hash:
decabd33c510818394f67b45b64491ee
SHA1 hash:
75096b024bb31c3c059d9af795900d204f52f4d8
Link:
https://www.unpac.me/results/27ba565b-1825-47f0-aacc-e972cb89253c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/62747e51aed24d6ef73ae567ae9da5ef01f91b20bad46a42127aa000e11685b4

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:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
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_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Comments