97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9

Analysis

max time kernel
121s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2024 07:40

Target

Remittance_pdf.jar
Size

432KB
MD5

8ec9eb589dc78c7e0ad9c8155027a133
SHA1

f4cc5469b945ce8f4c5d266375c28f97636479ff
SHA256

97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9
SHA512

0044e07c000634a043aae2b9f42df7f9f1d0dba2462207663c7f0e9e322cb732b19ab0e7f1fdd653b587c0ce19f5efc93fb7e630ff3477e5e98bcb652f723a1c
SSDEEP

6144:VwhA+Jd+Z+qYYQJXELxEG1E3RjdZO8uk/VSADdEwyOygQc8axuk9:VwC+Jd+Q1hENLE3JdU8fsg5XQc8axf9

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1964 icacls.exe

pid	process
1964	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\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\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\server\symbols\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\server\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\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\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 5056 wrote to memory of 1964 5056 java.exe icacls.exe
PID 5056 wrote to memory of 1964 5056 java.exe icacls.exe

description	pid	process	target process
PID 5056 wrote to memory of 1964	5056	java.exe	icacls.exe
PID 5056 wrote to memory of 1964	5056	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:1964

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
8a734e0728e00e70b8e054c36dcd9bc4

SHA1
e4cbc85138ab76f834d1e728aff89f1a97b10c06

SHA256
f32124fcb25ce130c03f5afc20dc532a27b345fadb15d738ff8a5e3bf510f2c4

SHA512
00a7d1d399cd3c5010439eae8c6440bc6ba4267158f6dd68453ba6b360285186cc0cb924cc2818086414bf6838862e685e0eb051ed2366a12434781a797ab399

Download Submit
memory/5056-4-0x000001A3D97D0000-0x000001A3DA7D0000-memory.dmp

Filesize
16.0MB

Download
memory/5056-12-0x000001A3D7FC0000-0x000001A3D7FC1000-memory.dmp

Filesize
4KB

Download
memory/5056-17-0x000001A3D97D0000-0x000001A3DA7D0000-memory.dmp

Filesize
16.0MB

Download
memory/5056-20-0x000001A3D9A60000-0x000001A3D9A70000-memory.dmp

Filesize
64KB

Download
memory/5056-19-0x000001A3D9A50000-0x000001A3D9A60000-memory.dmp

Filesize
64KB

Download
memory/5056-21-0x000001A3D97D0000-0x000001A3DA7D0000-memory.dmp

Filesize
16.0MB

Download