759cf2018b43bd88ff69b4736e91c3c76f16f5788e44af7e42b0124c35daa210

Analysis

max time kernel
109s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2023 00:38

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General

Target

LEDAMA VPN NO ADDTIME/LEDAMA VPN SOCKS/gradlew.bat
Size

2KB
MD5

0ea6d812cf51675a8503fe23ae178996
SHA1

8751d7831ca6cd1cad48e1475a79596b54b48994
SHA256

f4f428c5626b3d90cef3bd4e7fd3ad3ea5760442db8c09d586b5bfe031dbe5e3
SHA512

ea052888a8e361670cd7051c6313fc838f579a54288ed391361954f413df699c119236e7371149939045cd3aef48458d4991beed579e3cc1230e3bee1273de8f

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4488	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 3728	4528	cmd.exe	28
PID 4528 wrote to memory of 3728	4528	cmd.exe	28
PID 3728 wrote to memory of 4488	3728	java.exe	61
PID 3728 wrote to memory of 4488	3728	java.exe	61
PID 4528 wrote to memory of 4816	4528	cmd.exe	64
PID 4528 wrote to memory of 4816	4528	cmd.exe	64

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\LEDAMA VPN NO ADDTIME\LEDAMA VPN SOCKS\gradlew.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
  java.exe -version
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3728
- - 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:4488
- C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
  "java.exe" "-Dorg.gradle.appname=gradlew" -classpath "C:\Users\Admin\AppData\Local\Temp\LEDAMA VPN NO ADDTIME\LEDAMA VPN SOCKS\\gradle\wrapper\gradle-wrapper.jar" org.gradle.wrapper.GradleWrapperMain
  2⤵
  - Drops file in Program Files directory
  PID:4816

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
5778d857d048ce6ec3c27f7091415cdc

SHA1
8e1f5211e7081a473fe0f4e5aba321ce8085148d

SHA256
365ed67a2fcf1295ccb6e44a9382250ee15b30039eb920f08b9d91bced6afaf9

SHA512
f48aaf0ea6579a940fbe2a437469770a21224f2b665cc2e40b4240c136b7c8b8b53742b0522178e7b384c935ced9e16939a44e4a5452160bea975d42b7bd0aab

Download Submit
memory/3728-4-0x000001D3B0970000-0x000001D3B1970000-memory.dmp

Filesize
16.0MB

Download
memory/3728-12-0x000001D3AF130000-0x000001D3AF131000-memory.dmp

Filesize
4KB

Download
memory/4816-34-0x000002AEA4750000-0x000002AEA5750000-memory.dmp

Filesize
16.0MB

Download
memory/4816-26-0x000002AEA4730000-0x000002AEA4731000-memory.dmp

Filesize
4KB

Download
memory/4816-24-0x000002AEA4750000-0x000002AEA5750000-memory.dmp

Filesize
16.0MB

Download
memory/4816-25-0x000002AEA4730000-0x000002AEA4731000-memory.dmp

Filesize
4KB

Download
memory/4816-38-0x000002AEA49E0000-0x000002AEA49F0000-memory.dmp

Filesize
64KB

Download
memory/4816-40-0x000002AEA49D0000-0x000002AEA49E0000-memory.dmp

Filesize
64KB

Download
memory/4816-39-0x000002AEA49F0000-0x000002AEA4A00000-memory.dmp

Filesize
64KB

Download
memory/4816-41-0x000002AEA4A00000-0x000002AEA4A10000-memory.dmp

Filesize
64KB

Download
memory/4816-42-0x000002AEA4A10000-0x000002AEA4A20000-memory.dmp

Filesize
64KB

Download
memory/4816-43-0x000002AEA4A20000-0x000002AEA4A30000-memory.dmp

Filesize
64KB

Download
memory/4816-44-0x000002AEA4750000-0x000002AEA5750000-memory.dmp

Filesize
16.0MB

Download