97e67ac77d80d26af4897acff2a3f6075e0efe7997a67d8194e799006ed5efc9

Analysis

max time kernel
570s
max time network
591s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2024 18:27

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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

4972 icacls.exe

pid	process
4972	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\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\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\server\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\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\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 1560 wrote to memory of 4972 1560 java.exe icacls.exe
PID 1560 wrote to memory of 4972 1560 java.exe icacls.exe

description	pid	process	target process
PID 1560 wrote to memory of 4972	1560	java.exe	icacls.exe
PID 1560 wrote to memory of 4972	1560	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:1560

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:4972

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
d7d99b6be8d8219abd85329e8770fe76

SHA1
c1b5b1ea19e3ff81bfdc17f17feffd5646d67642

SHA256
c5b352b985396bbb05fb8ce562218b25b8d04c7db94f0961a89617ea555000d4

SHA512
615ea23c555c077e65316300fea5755966cbbffa2d081e857981fe01eac7541d5a50d257d59d7588a0108af883f6b42c4ee5e8e82f3826a7b973b0e1aa24c2fd

Download Submit
memory/1560-45-0x000001C465D00000-0x000001C465D10000-memory.dmp

Filesize
64KB

Download
memory/1560-52-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-43-0x000001C465D70000-0x000001C465D80000-memory.dmp

Filesize
64KB

Download
memory/1560-30-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-29-0x000001C465A20000-0x000001C465A21000-memory.dmp

Filesize
4KB

Download
memory/1560-31-0x000001C465A20000-0x000001C465A21000-memory.dmp

Filesize
4KB

Download
memory/1560-39-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-41-0x000001C465CC0000-0x000001C465CD0000-memory.dmp

Filesize
64KB

Download
memory/1560-17-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-11-0x000001C465A20000-0x000001C465A21000-memory.dmp

Filesize
4KB

Download
memory/1560-42-0x000001C465D30000-0x000001C465D40000-memory.dmp

Filesize
64KB

Download
memory/1560-44-0x000001C465CF0000-0x000001C465D00000-memory.dmp

Filesize
64KB

Download
memory/1560-46-0x000001C465D20000-0x000001C465D30000-memory.dmp

Filesize
64KB

Download
memory/1560-49-0x000001C465D50000-0x000001C465D60000-memory.dmp

Filesize
64KB

Download
memory/1560-48-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-50-0x000001C465D80000-0x000001C465D90000-memory.dmp

Filesize
64KB

Download
memory/1560-47-0x000001C465D40000-0x000001C465D50000-memory.dmp

Filesize
64KB

Download
memory/1560-51-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download
memory/1560-4-0x000001C465A40000-0x000001C466A40000-memory.dmp

Filesize
16.0MB

Download