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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ff2a67b094bcc56df1aec016191465be4e7de348360fd307d1929dc9cbab39f. 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


Kimsuky


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ff2a67b094bcc56df1aec016191465be4e7de348360fd307d1929dc9cbab39f
SHA3-384 hash: 7588d81e4a23e320c62c52e6360d4d2f604cae2b6b39105b19734bd49d1251cb48f075852b37060dff2e9468ec6b0480
SHA1 hash: 61e3de4c379c0462f21ee3e5c1014e9f87ccc494
MD5 hash: 28833e121bb77c8262996af1f2aeef55
humanhash: red-sierra-sink-nine
File name:4ff2a67b094bcc56df1aec016191465be4e7de348360fd307d1929dc9cbab39f
Download: download sample
Signature Kimsuky
Create hunting rule
File size:235'520 bytes
First seen:2020-08-30 07:43:52 UTC
Last seen:2020-09-15 15:07:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash af22ee3739e889ee09e871ca4db2c725 (5 x Kimsuky)
ssdeep 6144:CpQpG5qSlACE3GDOCG9FsEpkKBFaPwdgiCdp:8J5eGiC4DR3ao9Cdp
TLSH 9234AE42F5D1B9B9D472093148B9DA703A79FD205B655E5B338C733A0E760C08B26BBB
Reporter JAMESWT_WT
Tags:GoldDragon Kimsuky RAT Xeyo

Intelligence

File Origin
# of uploads :
3
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53041/
Detection(s):
SecuriteInfo.com.BackDoor.Spy.3773.18965.21469.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a window
Sending a UDP request
Delayed writing of the file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP POST request
Deleting a recently created file
Sending an HTTP GET request
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/454458
Signature
Antivirus / Scanner detection for submitted sample
Found C&C like URL pattern
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects files into Windows application
Machine Learning detection for sample
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)
Writes or reads registry keys via WMI
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279601 Sample: ZZmZSiVyAr Startdate: 30/08/2020 Architecture: WINDOWS Score: 88 35 Antivirus / Scanner detection for submitted sample 2->35 37 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 7 ZZmZSiVyAr.exe 5 15 2->7         started        process3 dnsIp4 33 portable.epizy.com 185.27.134.213, 49728, 49729, 49730 WILDCARD-ASWildcardUKLimitedGB United Kingdom 7->33 31 C:\Users\...\4.[        ]            .docx, Microsoft 7->31 dropped 11 cmd.exe 1 7->11         started        13 WINWORD.EXE 246 26 7->13         started        16 cmd.exe 1 7->16         started        18 2 other processes 7->18 file5 process6 signatures7 20 systeminfo.exe 1 1 11->20         started        23 conhost.exe 11->23         started        49 Injects files into Windows application 13->49 25 conhost.exe 16->25         started        27 conhost.exe 18->27         started        29 conhost.exe 18->29         started        process8 signatures9 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->45 47 Writes or reads registry keys via WMI 20->47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ff2a67b094bcc56df1aec016191465be4e7de348360fd307d1929dc9cbab39f/
Threat name:
Win32.Trojan.XeyoRat
Create hunting rule
Status:
Malicious
First seen:
2020-08-29 08:35:00 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/200830-54c723ljme/
Behaviour
Gathers system information
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Gathers system information
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ff2a67b094bcc56df1aec016191465be4e7de348360fd307d1929dc9cbab39f

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

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/53041/

Comments