f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 04:15

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General

Target
f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
Size 3.8MB
Sample240212-evn2dsgg3w
SHA256 f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129
MD5 8eaf647dfb34faa67b34b3af95774dc4
SHA1 d96ae71d90a4b1af9fd951de2974e2ba135b51fe
SHA512 784e1d738fbf105457db00a1863fc826640b579315f652c8abd3d2b0014e4a677f75d06d6ab11fbe882b2486914597fa20686b4a1576f667ea6f9d473fd0c6ae
SSDEEP 98304:DP+7oAwItpzdgj2WistOIk8AevgvmgCFBpxex7cU:j+75wI/wicBWeo7Cxxg
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3224	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\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\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\server\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
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\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\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3228	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 3224	3228	java.exe	86
PID 3228 wrote to memory of 3224	3228	java.exe	86

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:3224

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

memory/3228-2-0x0000020980000000-0x0000020981000000-memory.dmp

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memory/3228-10-0x0000020980000000-0x0000020981000000-memory.dmp

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memory/3228-12-0x00000209F5390000-0x00000209F5391000-memory.dmp

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memory/3228-22-0x00000209F5390000-0x00000209F5391000-memory.dmp

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memory/3228-21-0x00000209F5390000-0x00000209F5391000-memory.dmp

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memory/3228-32-0x00000209F5390000-0x00000209F5391000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads