6958fb41a15727895818ba94e1437328fd15ad52613391150d76df9e2a319ee5

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2024, 02:28

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General

Target

6958fb41a15727895818ba94e1437328fd15ad52613391150d76df9e2a319ee5.jar
Size

178KB
MD5

b5358cf99ef04c41d5359507000c2602
SHA1

79b2df6a56298484c4e3b0d38a8497c766274cde
SHA256

6958fb41a15727895818ba94e1437328fd15ad52613391150d76df9e2a319ee5
SHA512

67ee65728b658142a580c5820db5516926a4e17974eca14a4a258973a9e8441d5a4b08af087b7a23cd5b5a9c60d0d9926da205f0ccba706ef44b65fd81c5523b
SSDEEP

3072:SI9JD6Q0YqktZdnX4irKYR4Ydupn4U1DnYijyjLdGi0kUGGWpSiEY7pNjbbl8g:SIvD0IfdX4pR4U1TYijNoTF7/bl3

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
872	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\symbols\dll\jvm.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\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\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\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\server\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 872	5056	java.exe	86
PID 5056 wrote to memory of 872	5056	java.exe	86

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\6958fb41a15727895818ba94e1437328fd15ad52613391150d76df9e2a319ee5.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5056
- 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:872

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
76c54f764196fbffe0111f46f41265f3

SHA1
1e2d68f170b0e3f35b35ec5cf3d779da68ac0c86

SHA256
ed6b20932113da8ff99c37d2dfc0ee9f6695b599df7e7d5b95f4e05e3181d7a6

SHA512
3a43f701a62b52410a2641305e5e5525145eacead82383823a05cded479ffb86f3fcb5a07b1af91d04e72dc9d9ae4509ecc3d12ff6ba22a848aea81eabc24a87

Download Submit
memory/5056-4-0x0000016BDA3D0000-0x0000016BDB3D0000-memory.dmp

Filesize
16.0MB

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