05ae2f0dd61ef10019b94c200e8df192b767bb4cc24a7e7b329ab43cc9c74caf

Analysis

max time kernel
56s
max time network
68s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 16:12

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General

Target

SKlauncher-3.2.exe
Size

1.6MB
MD5

b63468dd118dfbca5ef7967ba344e0e3
SHA1

2ba4f0df5f3bd284bf2a89aba320e4440d8b8355
SHA256

05ae2f0dd61ef10019b94c200e8df192b767bb4cc24a7e7b329ab43cc9c74caf
SHA512

007ecb7445dc0c01a802b5a2c91313aae59f9dc96e27455dd85e7a92a4e649d683fbc2ada5f48925d9ab3b4fdaea20aa89eeb442fde079902aecb5ca3454a548
SSDEEP

49152:HIBc3n9dRvwVlzhFAQ/ggUTPQjYEiim7V:oBaO/FAqMQjYEXm

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2980	SKlauncher-3.2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3456	icacls.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4932	taskmgr.exe
4932	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	taskmgr.exe
Token: SeSystemProfilePrivilege	4932	taskmgr.exe
Token: SeCreateGlobalPrivilege	4932	taskmgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	taskmgr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2980	SKlauncher-3.2.exe
2980	SKlauncher-3.2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2468	2980	SKlauncher-3.2.exe	88
PID 2980 wrote to memory of 2468	2980	SKlauncher-3.2.exe	88
PID 2468 wrote to memory of 3456	2468	java.exe	93
PID 2468 wrote to memory of 3456	2468	java.exe	93
PID 2980 wrote to memory of 4796	2980	SKlauncher-3.2.exe	95
PID 2980 wrote to memory of 4796	2980	SKlauncher-3.2.exe	95

C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe
"C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- \??\c:\PROGRA~1\java\jre-1.8\bin\java.exe
  "c:\PROGRA~1\java\jre-1.8\bin\java.exe" -version
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2468
- - 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:3456
- \??\c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe
  "c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe" -version
  2⤵
  PID:4796

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2928

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4932

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

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Downloads

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

Filesize
46B

MD5
c016e0f8d3a194e2217aa112bd3e64e9

SHA1
54ae30f3fabaa1691b818a1adba9c60f20f7c0c8

SHA256
850ec4cd86fbfa15ab6048cc68e46f4fb3894c07af689c4b976daebb6bae1c23

SHA512
d6cc5afa693617339cdb0cdfb9238b0d14a30a78986f5686615ba8356dbd532d9bc2f3dbc98c37b1e033277d4694a1d88bffc3cc958e132575e994d6c7db6b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-5017698193000.dll

Filesize
22KB

MD5
dcd68a87b7e6edbcfde48150403b22eb

SHA1
28e4839a29725075772fccc39b44e194eb91e477

SHA256
ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

SHA512
ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

Download Submit
memory/2468-15-0x00000239048B0000-0x00000239048B1000-memory.dmp

Filesize
4KB

Download
memory/2468-7-0x00000239060C0000-0x00000239070C0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-81-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-101-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-43-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2980-47-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2980-121-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-61-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-67-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2980-78-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2980-113-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/2980-95-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2980-38-0x0000000002FB0000-0x0000000003FB0000-memory.dmp

Filesize
16.0MB

Download
memory/4796-19-0x0000018280000000-0x0000018281000000-memory.dmp

Filesize
16.0MB

Download
memory/4796-28-0x00000182FA290000-0x00000182FA291000-memory.dmp

Filesize
4KB

Download
memory/4932-133-0x000001D4E10B0000-0x000001D4E10B1000-memory.dmp

Filesize
4KB

Download