MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5778ceac831141b42749d4500858b8adfb5417294c8f2a15a24d5451e38f6d1. 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 2 File information Comments
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SHA256 hash: b5778ceac831141b42749d4500858b8adfb5417294c8f2a15a24d5451e38f6d1
SHA3-384 hash: 8828985f1d6d0408655b88cc211599fec3b8681a31093628ff11b6a7155da928ec5548e262f1a1080b1081f00e82ef85
SHA1 hash: 785cf09b6ab4b1d70d4c8abb08679f317e7073bf
MD5 hash: f08c0d8fbdf54849c9eb6687eb33ad3b
humanhash: gee-jig-green-violet
File name:WTST_0983763-98BNDD-0973.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:900'096 bytes
First seen:2022-08-09 13:06:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:lwLKwO+8qSCQKY+TqdFlKgetkeeeeeekeCe5eueeeeeeeeeee6eeeeeeeeeeeeeq:uv5Sjp+ePlitkeeeeeekeCe5eueeeee+
TLSH T16F15F8D77B68F61EC93F077080686C91C222DE9AC6DC864C648DF6EA27BB78175C5483
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 f0dcaa2727b2ccf0 (1 x NanoCore)
Reporter malwarelabnet
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
WTST_0983763-98BNDD-0973.exe
Verdict:
Malicious activity
Analysis date:
2022-08-09 13:09:33 UTC
Tags:
nanocore
Link:
https://app.any.run/tasks/f3e97b64-f7f4-4652-a037-dbeb50c305a6

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/297320/
Detection(s):
SecuriteInfo.com.Variant.Tedy.184433.13749.11958.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f25c37e4e65a67c4990cc0/reports/aaecad9a-69d8-4663-8334-61be41075cd9/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/234d5949-1ebb-446c-95bf-afdc78b21965
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1048494
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Drops PE files to the document folder of the user
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680988 Sample: WTST_0983763-98BNDD-0973.exe Startdate: 09/08/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Detected Nanocore Rat 2->49 51 4 other signatures 2->51 7 WTST_0983763-98BNDD-0973.exe 15 3 2->7         started        process3 dnsIp4 43 www.google.com 142.250.203.100, 443, 49734 GOOGLEUS United States 7->43 33 C:\Users\...\WTST_0983763-98BNDD-0973.exe.log, ASCII 7->33 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->53 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        18 svchost.exe 1 7->18         started        file5 signatures6 process7 file8 55 Drops PE files to the document folder of the user 12->55 57 Uses ping.exe to sleep 12->57 59 Uses ping.exe to check the status of other devices and networks 12->59 20 PING.EXE 1 12->20         started        23 conhost.exe 12->23         started        25 reg.exe 1 1 12->25         started        35 C:\Users\...\WTST_0983763-98BNDD-0973.exe, PE32 15->35 dropped 37 WTST_0983763-98BND...exe:Zone.Identifier, ASCII 15->37 dropped 27 conhost.exe 15->27         started        29 PING.EXE 1 15->29         started        31 PING.EXE 1 15->31         started        signatures9 process10 dnsIp11 39 127.0.0.1 unknown unknown 20->39 41 192.168.2.1 unknown unknown 20->41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5778ceac831141b42749d4500858b8adfb5417294c8f2a15a24d5451e38f6d1/
Threat name:
Win32.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-08-09 13:07:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv3yz2wigekbwqtutvcqbbmlrlp3kqlsstepfik2etkukhry63iq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/220809-qcmldsafen/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
b5778ceac831141b42749d4500858b8adfb5417294c8f2a15a24d5451e38f6d1
MD5 hash:
f08c0d8fbdf54849c9eb6687eb33ad3b
SHA1 hash:
785cf09b6ab4b1d70d4c8abb08679f317e7073bf
Link:
https://www.unpac.me/results/e0981a7c-d8d4-4006-8be5-afb3d4e2056e/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5778ceac831/report/overview.html
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/b5778ceac831141b42749d4500858b8adfb5417294c8f2a15a24d5451e38f6d1

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/297320/

Comments