561ac9394509138348480e01174b172865a62e459b513eaf563e56383f6245d2

Analysis

max time kernel
306s
max time network
387s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
30-06-2024 18:26

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General

Target

jre/lib/ext/sunec.jar
Size

38KB
MD5

a269905bbb9f7d02baa24a756e7b09d7
SHA1

82a0f9c5cbc2b79bdb6cfe80487691e232b26f9c
SHA256

e2787698d746dc25c24d3be0fa751cea6267f68b4e972cfc3df4b4eac8046245
SHA512

496841cf49e2bf4eb146632f7d1f09efa8f38ae99b93081af4297a7d8412b444b9f066358f0c110d33fea6ae60458355271d8fdcd9854c02efb2023af5f661f6
SSDEEP

768:ah0EOq/w9b3jpSo40ROLB2CUrQbNVkJBtw6pcZWztpQeA4Uz7NWnZVNB3gX083/z:aJOyw9b3joo4hLB2CUr2yBw6pcMtpS44

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

436 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4616 wrote to memory of 436 4616 java.exe icacls.exe
PID 4616 wrote to memory of 436 4616 java.exe icacls.exe

pid	process
436	icacls.exe

description	pid	process	target process
PID 4616 wrote to memory of 436	4616	java.exe	icacls.exe
PID 4616 wrote to memory of 436	4616	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\jre\lib\ext\sunec.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4616

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:436

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
e0df70aa73a3609ab1782246bfdfd29b

SHA1
cd2c4603c38d3c71aa35f78a726e6294f0e38b44

SHA256
be8d11bc9a2722f93b8f89f9dcdea3becbab07a4b4c7bdc40212816b55213110

SHA512
f494359868bc0b078b7258f848f8b6a3fffe8c0ed1fa1bd4fee02237d754e0f26b07a1d07a5e9370dd1f20e362e08eb96fa045f09add817d6bda8741e676bf4c

Download Submit
memory/4616-2-0x0000022FDB4E0000-0x0000022FDB750000-memory.dmp

Filesize
2.4MB

Download
memory/4616-12-0x0000022FDB4C0000-0x0000022FDB4C1000-memory.dmp

Filesize
4KB

Download
memory/4616-13-0x0000022FDB4E0000-0x0000022FDB750000-memory.dmp

Filesize
2.4MB

Download