9cddfb88686bd1668d9d0bac67f2916b77a42d1b3dba14a9eecc576bba17b86a

Analysis

max time kernel
164s
max time network
288s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-02-2024 12:36

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General

Target

Swift Copy Remitance-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

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4068 icacls.exe

pid	process
4068	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\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\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\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\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
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 2424 wrote to memory of 4068 2424 java.exe icacls.exe
PID 2424 wrote to memory of 4068 2424 java.exe icacls.exe

description	pid	process	target process
PID 2424 wrote to memory of 4068	2424	java.exe	icacls.exe
PID 2424 wrote to memory of 4068	2424	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Swift Copy Remitance-pdf.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2424

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:4068

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
236b1c8fd3c8486b10c88f290cc4a75d

SHA1
170d73d9dc9be14b90206c8aae757de0ff166b86

SHA256
3e2d88ac7ad655ee22857426e16d9f49511f5fc41b1f2ed6f407e70990eb4606

SHA512
5128e82a2c7ee4c31e1597f0f232927a3ce797f44af7ffffc0c627345c7bf288a5bbdb7e0a53d31d77262644ec643949f7b25d42ca41fa71fe96108a92047b01

Download Submit
memory/2424-30-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-12-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-18-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-28-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-29-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-2-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-45-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-50-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-53-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-54-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-59-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download
memory/2424-89-0x000001DC7C260000-0x000001DC7C261000-memory.dmp

Filesize
4KB

Download
memory/2424-134-0x000001DC003C0000-0x000001DC003D0000-memory.dmp

Filesize
64KB

Download
memory/2424-135-0x000001DC00000000-0x000001DC01000000-memory.dmp

Filesize
16.0MB

Download