6d3e348cfe718e27a0af78d15ff32648890e51442a7f614c2463e50a0116eb18

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2024, 06:24

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General

Target

DIMFIL - 202400209_20240204_163237.jar
Size

209KB
MD5

e5e273e7a2fdf5fc727fc9a54805dbf8
SHA1

ea0a4d8f987500ebaee6c3f9b1c952c6ae1006f2
SHA256

6d3e348cfe718e27a0af78d15ff32648890e51442a7f614c2463e50a0116eb18
SHA512

b6d698a385c98e25da230d189cb81709f9f435fc779579b727914d25d12ae49a7d17965c3f8047cb86273181d0ce82386b8910d6df68fd218c776b6a95184196
SSDEEP

6144:7GF8hJ1HN/cgBS2czywRbaVo0MSmu2PzVmyKu:7GChHdrVcHWo0MSGpKu

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4036	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
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\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\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\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

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 4036	2676	java.exe	87
PID 2676 wrote to memory of 4036	2676	java.exe	87

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\DIMFIL - 202400209_20240204_163237.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2676
- 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:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
1554f7e60c0387e7c54b23aa6b1773a5

SHA1
3bddda7c04ff617d00a49d9084466a6ec2817585

SHA256
52b7cdd9398cf766c82c1342a7fc39fcc965e81f00a247e198b65892c28681ab

SHA512
b9f4b23e98c73c33fdbbaf3d927cb392222dde1a1c835c71005624352c5f84888d1e335bed26005e6e3578671f0e05385936bde8ee0a2409fcaedd519bc6c42a

Download Submit
memory/2676-40-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-12-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-16-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-26-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-31-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-4-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-45-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-52-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-55-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-62-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download
memory/2676-79-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-96-0x0000017718050000-0x0000017718051000-memory.dmp

Filesize
4KB

Download
memory/2676-131-0x0000017719E40000-0x0000017719E50000-memory.dmp

Filesize
64KB

Download
memory/2676-132-0x0000017719A60000-0x000001771AA60000-memory.dmp

Filesize
16.0MB

Download