31ee8b1f5a729087bfcd58265b4558d9c382736e74934a18200756ac672f6005

Analysis

max time kernel
144s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
02/05/2024, 13:25

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General

Target

lib/dn-compiled-module.jar
Size

4.4MB
MD5

fa6ddfffe2f0b9d52a183aa45c3c2e2b
SHA1

0e3142d119f25037e69cd88a624709416cb6db54
SHA256

a805e6dc216db92067021450da10fbba1f9f70673a27e6edcc327764d4fcc4e6
SHA512

24d5883b4df570fa240ca2bf1241f4db2a62d3271673418c02ba690eb7cd31291d957d3b9abb521ce3f6bb30efea639859558332f9781baac0604f219cad819c
SSDEEP

98304:FagQg7riLcCa61MvR9+zMSX+X7m0l7y6GbWP0SCm/:FaghYn10RQOX7m0l7yyP0g/

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4128	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 4128	2120	java.exe	82
PID 2120 wrote to memory of 4128	2120	java.exe	82

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\lib\dn-compiled-module.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- 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:4128

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
3ec763062fc25af0e2554133df530308

SHA1
c28b950604907ae79dd83e3f8a2dce235f507111

SHA256
8d64f318cf6c964ed2fbf6309cc9ca9da352d8fbb5817c8c314fa30f11d2ba2d

SHA512
ca1074f544711776f2ceafd042a88d81c06f00cef91b6298572cb12200817f14a821b94f011c5fbc2988000f072c0eee52f4a64f70527f256752f3d34477bbad

Download Submit
memory/2120-2-0x000001CF60ED0000-0x000001CF61140000-memory.dmp

Filesize
2.4MB

Download
memory/2120-12-0x000001CF60EB0000-0x000001CF60EB1000-memory.dmp

Filesize
4KB

Download
memory/2120-13-0x000001CF60ED0000-0x000001CF61140000-memory.dmp

Filesize
2.4MB

Download