67e00d139b6348ec53d26f3cdcc3e958fe76a35ea933199a615e210667a5ade7

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-03-2024 17:31

Target

Factura 39.jar
Size

209KB
MD5

3333050c3c251d6d86514742a16005e4
SHA1

672122d7cb8b07c939f4bf1415e9c253bd3e41e4
SHA256

67e00d139b6348ec53d26f3cdcc3e958fe76a35ea933199a615e210667a5ade7
SHA512

208d54ece920d384dd8a025c3c70114ec040713c3aa6991f574fa343853d2f098bc8bebc213f35f605c6c3c52d72be1f51d5a48f77ff76a959cffac5d1d78559
SSDEEP

6144:fm98tJ9Hd/A8FSywzy4RrCVws46CumPHVmyKk:fmatjt7Rw/ews46qNKk

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4240 icacls.exe

pid	process
4240	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
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\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\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\server\jvm.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\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 WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 1252 wrote to memory of 4240 1252 java.exe icacls.exe
PID 1252 wrote to memory of 4240 1252 java.exe icacls.exe

description	pid	process	target process
PID 1252 wrote to memory of 4240	1252	java.exe	icacls.exe
PID 1252 wrote to memory of 4240	1252	java.exe	icacls.exe

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:4240

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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

MD5
a249d91daba53034a2a19268dc77ea1b

SHA1
35699166d8fd823fc36b59915f2fe68938fa7f4d

SHA256
2c73404d3ef4dddf0ce1e1a6d73abe8403472e4c5f0c7dd1cab5054ca69f9881

SHA512
9bf1fa82cdd59c0d7cef52e24acac3eb3dbbe35cab4b3d89454f3717220435a9055d7f28758a685bce7800e30550b283e59d27377fb74fea54ff3338d68014b5

Download Submit
memory/1252-5-0x00000241DE5F0000-0x00000241DF5F0000-memory.dmp

Filesize
16.0MB

Download
memory/1252-17-0x00000241DE5F0000-0x00000241DF5F0000-memory.dmp

Filesize
16.0MB

Download
memory/1252-19-0x00000241DE5D0000-0x00000241DE5D1000-memory.dmp

Filesize
4KB

Download
memory/1252-24-0x00000241DE870000-0x00000241DE880000-memory.dmp

Filesize
64KB

Download
memory/1252-25-0x00000241DE880000-0x00000241DE890000-memory.dmp

Filesize
64KB

Download
memory/1252-26-0x00000241DE5F0000-0x00000241DF5F0000-memory.dmp

Filesize
16.0MB

Download
memory/1252-27-0x00000241DE8A0000-0x00000241DE8B0000-memory.dmp

Filesize
64KB

Download
memory/1252-28-0x00000241DE8B0000-0x00000241DE8C0000-memory.dmp

Filesize
64KB

Download
memory/1252-29-0x00000241DE8C0000-0x00000241DE8D0000-memory.dmp

Filesize
64KB

Download
memory/1252-30-0x00000241DE5F0000-0x00000241DF5F0000-memory.dmp

Filesize
16.0MB

Download