4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

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09-04-2024 13:34

240409-qvlrtabe9s 10

09-04-2024 13:34

09-04-2024 13:33

09-04-2024 13:33

07-07-2023 11:45

Analysis

max time kernel
441s
max time network
1164s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
14-04-2024 10:31

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General

Target

Java Install.jar
Size

92KB
MD5

c55f9247eb8ea19af96292f0893f86b5
SHA1

bd5e6884b8151114af7e45a92525893f4d2aaabd
SHA256

16ed7004aa68efab0eda75b3f9bff11508365a4224ef859c91f93029bc441284
SHA512

3efab4ee9e3c9d81efd4e2f164c0a2ae72f688cbd0068cc44a063bf4787ba65b8d2a644ac2f7704fbd059d0ba96665aeff46c2bfba820fb42df06eea7e87ccdb
SSDEEP

1536:QL/61A/qP1+9Qc1+jxjciQnGSzPsRBo0fpL9mjMT8mMhe3gnHGvPvxKpjHr9Uy:QLn/qP1CQpjEGyP0Bxf99mYTX3gmvKLn

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4964	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\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
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\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\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 4964	1312	java.exe	79
PID 1312 wrote to memory of 4964	1312	java.exe	79

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Java Install.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1312
- 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:4964

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
ea10affe775023a35c188a5714ebff19

SHA1
3d285f41baaac9c57d3f0b66cebb921a997549f1

SHA256
c7d2b3dfd9aa5421c72b55d8e88dd6b9c99250e8f42ab143f8603d74f6dc3727

SHA512
e5bbf1f3b1af3a21dc8c0803997e7578b6809f869eb51e510da9e1cfd722ddab3d77d478a72d48aab828a654308a403076c110b8c66b495ece73aff64783c2c2

Download Submit
memory/1312-36-0x000001AD07470000-0x000001AD07480000-memory.dmp

Filesize
64KB

Download
memory/1312-37-0x000001AD07400000-0x000001AD07410000-memory.dmp

Filesize
64KB

Download
memory/1312-18-0x000001AD07160000-0x000001AD08160000-memory.dmp

Filesize
16.0MB

Download
memory/1312-27-0x000001AD05960000-0x000001AD05961000-memory.dmp

Filesize
4KB

Download
memory/1312-38-0x000001AD07410000-0x000001AD07420000-memory.dmp

Filesize
64KB

Download
memory/1312-34-0x000001AD073E0000-0x000001AD073F0000-memory.dmp

Filesize
64KB

Download
memory/1312-11-0x000001AD05960000-0x000001AD05961000-memory.dmp

Filesize
4KB

Download
memory/1312-4-0x000001AD07160000-0x000001AD08160000-memory.dmp

Filesize
16.0MB

Download
memory/1312-35-0x000001AD07160000-0x000001AD08160000-memory.dmp

Filesize
16.0MB

Download
memory/1312-39-0x000001AD07420000-0x000001AD07430000-memory.dmp

Filesize
64KB

Download
memory/1312-40-0x000001AD07430000-0x000001AD07440000-memory.dmp

Filesize
64KB

Download
memory/1312-41-0x000001AD07440000-0x000001AD07450000-memory.dmp

Filesize
64KB

Download
memory/1312-42-0x000001AD07450000-0x000001AD07460000-memory.dmp

Filesize
64KB

Download
memory/1312-43-0x000001AD07460000-0x000001AD07470000-memory.dmp

Filesize
64KB

Download
memory/1312-44-0x000001AD07160000-0x000001AD08160000-memory.dmp

Filesize
16.0MB

Download
memory/1312-45-0x000001AD07160000-0x000001AD08160000-memory.dmp

Filesize
16.0MB

Download