c3db9475c3ab6b53d8f6d711f587e5218c9b8d332229a208277bc0b27a24b620

Resubmissions

30/10/2023, 18:25

231030-w2rjjaee4v 7

12/10/2023, 17:12

231012-vqtzvadc7z 7

Analysis

max time kernel
482s
max time network
469s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2023, 18:25

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General

Target

SKlauncher-3.1.exe
Size

1.1MB
MD5

021b53abfc25a261077282498e5726a0
SHA1

ba7f38a28444504e6e8e1f995cc40ceb70ff6409
SHA256

c3db9475c3ab6b53d8f6d711f587e5218c9b8d332229a208277bc0b27a24b620
SHA512

484bb65ecb1ccd3e5472a27737fd2fa4471240aeefcf4bfdeaf4e49636cec9b3e43a5c2feb7134074c92af01f52a456b8074aca8269480e210cfa3b51acae81d
SSDEEP

24576:7h1tjL2uma7hLQKaikK21SHCJ3ny+SGiPsGSa7tLC+/e0cUEcnr:sghMKai1viny6iPH5hF/e0m2r

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2768	javaw.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2836	icacls.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2768	javaw.exe
2768	javaw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 2768	3232	SKlauncher-3.1.exe	85
PID 3232 wrote to memory of 2768	3232	SKlauncher-3.1.exe	85
PID 2768 wrote to memory of 2836	2768	javaw.exe	87
PID 2768 wrote to memory of 2836	2768	javaw.exe	87

C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.1.exe
"C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -Xms32m -Xmx256m -jar "C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.1.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:2836

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
a4df57a26de50529fc982083ce44ae1e

SHA1
71b21481870635a46b38b97dfedcad34f86c2480

SHA256
643776112f0f8dc064634ddc52cb810bcd1bcb4c09bc14cdcfb65f18a2aac903

SHA512
516de575fea024b35fb2beb83ceb025dc69c55103bc179e4f16c96c89365b1c0d7b8f7296d9922ca3a47a09f03e7755d56673efad8aac8cbff2b9da3cee14806

Download Submit
C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4853221831000.dll

Filesize
21KB

MD5
4ca3290a99adadde557930cd481d7539

SHA1
26034442a76131dd3d37c8f28b6e9bebc7c1fe7c

SHA256
dd130c68dc36bcedbe51a6b8ec3b3358a460d45952f6280e12331f48850b6b3b

SHA512
9341c60f92dd3f89f82555055924bdae6fcce1e4cd13a7dde5129ebdce04bae377292237a2ed6c3e7623b242e82b01c7ed1717af4d7db8ca473e9fd7b7b190d5

Download Submit
memory/2768-57-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-72-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-18-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-5-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-40-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-56-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-102-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-59-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-61-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-12-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-80-0x00000272F4D30000-0x00000272F4D31000-memory.dmp

Filesize
4KB

Download
memory/2768-85-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-94-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-99-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-100-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/2768-101-0x0000027280000000-0x0000027281000000-memory.dmp

Filesize
16.0MB

Download
memory/3232-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download