ba67cbef72f567a51fbc61ae525c1930f3d5da8d916f5f3b1f0af14e006f51d5

Analysis

max time kernel
1799s
max time network
1801s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
04/07/2024, 09:39

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General

Target

KKONE.exe
Size

29.2MB
MD5

8983e7e265ff83298ce0c40ce36cdf96
SHA1

c1eefcf3be7e83a544a2c06f86d10b24af820eaa
SHA256

ba67cbef72f567a51fbc61ae525c1930f3d5da8d916f5f3b1f0af14e006f51d5
SHA512

dcd554e6f8fed824998a644f41850bfe6fc5bed5ca161eb316d2690470d757e59803a7afb869cbe0abba26d51bcd30f555c1d36021d9ecedf01f181271b22fc5
SSDEEP

786432:Yl8BsR1jDxZq9ROVLpo3/zAFJf+j9sZXmPHt6XRgvL5u2RlN3YVEP:jsR5DjqPcNo3MFJf+xsRWN6eE2RLoV2

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1012	kkoneshell.exe

Drops file in Program Files directory 26 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\bin\Plugins\ÖØÒªËµÃ÷.txt	KKONE.exe
File created	C:\Program Files (x86)\bin\sound\ÖØÒªËµÃ÷.txt	KKONE.exe
File created	C:\Program Files (x86)\bin\ÉñÆæÔ¶¿Ø.ini	KKONE.exe
File created	C:\Program Files (x86)\bin\Cache\Loader.lib	KKONE.exe
File created	C:\Program Files (x86)\bin\sound\Login.wav	KKONE.exe
File created	C:\Program Files (x86)\bin\Cache\Loader.dat	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\qqwry.dat	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\C_sunlogin.h	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\Example.Cpp	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\ShllCodeDecX64.bat	KKONE.exe
File created	C:\Program Files (x86)\bin\KKONE.zip	KKONE.exe
File created	C:\Program Files (x86)\bin\ÉñÆæÔ¶¿Ø.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Éú³ÉÆ÷.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\upx.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\Plugin32.dll	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\sk_32.dll	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\ShllCodeDec.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\kkone.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\upx394.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\sound\Offline.wav	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\AnyFileToByte.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\ShllCodeDec.bat	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\kkoneshell.exe	KKONE.exe
File created	C:\Program Files (x86)\bin\ÖØÒªËµÃ÷.txt	KKONE.exe
File created	C:\Program Files (x86)\bin\Plugins\GotoHTTP.h	KKONE.exe
File created	C:\Program Files (x86)\bin\Cache\ÖØÒªËµÃ÷.txt	KKONE.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 1012	3740	KKONE.exe	81
PID 3740 wrote to memory of 1012	3740	KKONE.exe	81
PID 3740 wrote to memory of 1012	3740	KKONE.exe	81

C:\Users\Admin\AppData\Local\Temp\KKONE.exe
"C:\Users\Admin\AppData\Local\Temp\KKONE.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Program Files (x86)\bin\Plugins\kkoneshell.exe
  "C:\Program Files (x86)\bin\Plugins\kkoneshell.exe"
  2⤵
  - Executes dropped EXE
  PID:1012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\bin\Plugins\kkoneshell.exe

Filesize
426KB

MD5
e78da4d7a4fa70fe57602963f93002dd

SHA1
498c010a318c258a1b68d443fed5064aef0b16c0

SHA256
d860d3da5e98de6b7b192c923c05193b49d61270d4ae9c132caa4549a299d4bc

SHA512
94266165c0e02e9b7929416c94fe33a7f0b56c57ad0e4d2c25310b1c17b188ed37bed37932a775737e178eb74061963748ccd16ec2ff104d2bb3f8e6938facfb

Download Submit
memory/1012-29-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

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