7529970855e64a5bef4c31b4670348e21810c56ccc1bfaba8ddfd50cf483b863

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 13:38

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General

Target

Dimples#1337.jar
Size

12KB
MD5

19b897189026d49c29a1a303002e54e5
SHA1

f12cd214c788b106911375d9493b8ea56f66a7d0
SHA256

6bb94a0e12a66ba7bd5423e56ee2ebe98fcd6dbd863e7010046a8696e79e2202
SHA512

f4e739e60ef616d04fad8f34e39fab2ea4cc11e7410a692688af16cf4ffda1e491fb2e9812e2ad6dbd8e4f5fc006c3faa1ca0342c3494619664be324f5dbfc83
SSDEEP

384:JgqZQndriK1tx9SjbP6peJzb8lbXJQTmj:mqOdpx9sbzZAj6Tmj

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3584	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\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\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\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\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\server\symbols\dll\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3584	1356	java.exe	91
PID 1356 wrote to memory of 3584	1356	java.exe	91

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Dimples#1337.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1356
- 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:3584

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
de2f3da1c8c913ea5df05aef00bb1110

SHA1
c256c53c275b11bd2c6005ddc3c206d4a52577a0

SHA256
a0c06c6134eed607fe0c394673ee6494802a70ded24320c69da061826a04f6f2

SHA512
00b2079f8e7995892f52c517d2814d87b617440191ac50e1a3eb272b8a053a0b900c9f6ff2d511ab0c5c74a84c7623f1debfa5264878e303b6b91aa89b00ec88

Download Submit
memory/1356-4-0x0000018237B80000-0x0000018238B80000-memory.dmp

Filesize
16.0MB

Download
memory/1356-11-0x00000182363A0000-0x00000182363A1000-memory.dmp

Filesize
4KB

Download
memory/1356-17-0x00000182363A0000-0x00000182363A1000-memory.dmp

Filesize
4KB

Download
memory/1356-24-0x0000018237B80000-0x0000018238B80000-memory.dmp

Filesize
16.0MB

Download
memory/1356-25-0x0000018237E00000-0x0000018237E10000-memory.dmp

Filesize
64KB

Download
memory/1356-26-0x0000018237B80000-0x0000018238B80000-memory.dmp

Filesize
16.0MB

Download