MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415
SHA3-384 hash: 521455c5715a3990ce4552473d576762008821fea4dc71ce1befedec9d897616d256024a595a388295b720c18ccdbbc4
SHA1 hash: b207a8080f4810b0f01963ec99af80871ef85adb
MD5 hash: 75e169e39f36791ce29a6812793a7973
humanhash: violet-uranus-two-mississippi
File name:malwa.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'595'904 bytes
First seen:2021-03-16 04:59:38 UTC
Last seen:2021-03-16 06:49:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:IBZnFp8Zs75Jdn8lWqeUayGz+uDRxAwuaWwyUyIYPyOVvxCZDTYN:IB98Zslf8GUzGzDRuwudfRPyICZDT
Threatray 1'680 similar samples on MalwareBazaar
TLSH 7B759C4AFB54AF96D12D0F7AC417842C83F48157A3B7F35BBDD0A8E61824B1A4E0F496
Reporter ankit_anubhav
Tags:NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
malwa.exe
Verdict:
Malicious activity
Analysis date:
2021-03-16 04:58:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b687eda3-73dd-4bba-853b-1efae6756fb1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.ZXL.4814.20311.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created 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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9bf52919-3ed6-4ae4-a5eb-4a9e9cba8aeb
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/640275
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Drops PE files to the document folder of the user
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 369112 Sample: malwa.exe Startdate: 16/03/2021 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->85 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 10 other signatures 2->91 9 malwa.exe 15 7 2->9         started        14 InstallUtil.exe 2->14         started        16 dhcpmon.exe 2->16         started        18 dhcpmon.exe 2->18         started        process3 dnsIp4 83 192.168.2.1 unknown unknown 9->83 73 C:\Users\user\Documents\tramtt0965456.exe, PE32 9->73 dropped 75 C:\Users\user\AppData\...\InstallUtil.exe, PE32 9->75 dropped 77 C:\...\tramtt0965456.exe:Zone.Identifier, ASCII 9->77 dropped 79 C:\Users\user\AppData\Local\...\malwa.exe.log, ASCII 9->79 dropped 105 Drops PE files to the document folder of the user 9->105 107 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->107 20 tramtt0965456.exe 14 5 9->20         started        24 cmd.exe 1 9->24         started        26 conhost.exe 14->26         started        28 conhost.exe 16->28         started        30 conhost.exe 18->30         started        file5 signatures6 process7 file8 71 C:\Users\user\AppData\Local\Temp\glow.exe, PE32 20->71 dropped 97 Multi AV Scanner detection for dropped file 20->97 99 Machine Learning detection for dropped file 20->99 101 Writes to foreign memory regions 20->101 103 2 other signatures 20->103 32 InstallUtil.exe 20->32         started        37 glow.exe 20->37         started        39 glow.exe 20->39         started        45 3 other processes 20->45 41 conhost.exe 24->41         started        43 reg.exe 1 1 24->43         started        signatures9 process10 dnsIp11 81 coded1116.myq-see.com 185.140.53.9, 1116, 49771, 49772 DAVID_CRAIGGG Sweden 32->81 65 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 32->65 dropped 67 C:\Users\user\AppData\Local\...\tmp3080.tmp, XML 32->67 dropped 69 C:\Program Files (x86)\...\dhcpmon.exe, PE32 32->69 dropped 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 32->93 47 schtasks.exe 32->47         started        49 schtasks.exe 32->49         started        95 Multi AV Scanner detection for dropped file 37->95 51 glow.exe 37->51         started        53 glow.exe 39->53         started        55 glow.exe 45->55         started        57 glow.exe 45->57         started        59 glow.exe 45->59         started        file12 signatures13 process14 process15 61 conhost.exe 47->61         started        63 conhost.exe 49->63         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-16 05:00:09 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'670 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/210316-n4qe4txrvj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
coded1116.myq-see.com:1116
79.134.225.74:1116
Unpacked files
SH256 hash:
2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415
MD5 hash:
75e169e39f36791ce29a6812793a7973
SHA1 hash:
b207a8080f4810b0f01963ec99af80871ef85adb
Link:
https://www.unpac.me/results/d9a83598-3f3b-4e7e-ade5-445af039d397/
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/2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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