cd95317ffcd0cf91eb2ce9fa6a0d062a9a1dab9fd278654b85172445873e5fcb

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2024 15:16

Target

invoice58499.jar
Size

209KB
MD5

1f1f27ded1ea733d6be70e13bb1ecd60
SHA1

d03405a17b31e3f58ab90d4cb1ee08f9ba0cf131
SHA256

cd95317ffcd0cf91eb2ce9fa6a0d062a9a1dab9fd278654b85172445873e5fcb
SHA512

e8f50c947fb25b286185bbeda4ba70b2efbb545584e8f7ab018752f7dec84b1ea3aa13f052620b8e7f2d635d4e480cd3657af71cc29c524512b4cd35879a88c4
SSDEEP

3072:jVhrFK2o50lj/H9OtNodDZawwcSHpHA1QNPmnztEHb7yR7MBprhF19AyGZV4etuc:jp7jx1fwcCg1QNPmzmKdMBnF/c42

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1800 icacls.exe

pid	process
1800	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\dll\jvm.pdb	java.exe
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\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\symbols\dll\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\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\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\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 3268 wrote to memory of 1800 3268 java.exe icacls.exe
PID 3268 wrote to memory of 1800 3268 java.exe icacls.exe

description	pid	process	target process
PID 3268 wrote to memory of 1800	3268	java.exe	icacls.exe
PID 3268 wrote to memory of 1800	3268	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:1800

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
791827b9e1cf5f38de09d3f53ddd6215

SHA1
dfe51bac267bace45eb0557e692a3339755ebd29

SHA256
2f12b1978fdcbf519ceefda713ddf01a5115eb85124902535e2dbf816467f18f

SHA512
970c1b3fc35af413c1437cc09abc407eb553c1a05e14cd44e664ee8bf517dd522d78202827f43f4df4cbc3a91ea513ee8cef6d142fb90a256de11eec955f8107

Download Submit
memory/3268-4-0x000001DD902C0000-0x000001DD912C0000-memory.dmp

Filesize
16.0MB

Download
memory/3268-12-0x000001DD8E9F0000-0x000001DD8E9F1000-memory.dmp

Filesize
4KB

Download
memory/3268-17-0x000001DD902C0000-0x000001DD912C0000-memory.dmp

Filesize
16.0MB

Download
memory/3268-19-0x000001DD90540000-0x000001DD90550000-memory.dmp

Filesize
64KB

Download
memory/3268-20-0x000001DD90550000-0x000001DD90560000-memory.dmp

Filesize
64KB

Download
memory/3268-21-0x000001DD902C0000-0x000001DD912C0000-memory.dmp

Filesize
16.0MB

Download