4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

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09-04-2024 13:34

240409-qvlrtabe9s 10

09-04-2024 13:34

09-04-2024 13:33

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07-07-2023 11:45

Analysis

max time kernel
442s
max time network
448s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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
2860	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\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\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\server\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\symbols\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2860	4348	java.exe	84
PID 4348 wrote to memory of 2860	4348	java.exe	84

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:4348
- 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:2860

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
996966e3c1bbac17aff68c9029250cbc

SHA1
9d20c514fb803193d3ccc660ffc2eb4db26118ac

SHA256
5e93fa63bee37b7462a6a9fb76885c37b0c3526f5413d50504d7e01ebf0e515b

SHA512
cdb14a3cb101352438170d2d893b9d0028f61142806917b3bd34c352b06ee4d60aa0966cca2815b22012eb0646e8f4b51548fea01bdf52ecb0595afe253d294d

Download Submit
memory/4348-33-0x000002BA4AD90000-0x000002BA4BD90000-memory.dmp

Filesize
16.0MB

Download
memory/4348-12-0x000002BA494C0000-0x000002BA494C1000-memory.dmp

Filesize
4KB

Download
memory/4348-18-0x000002BA4AD90000-0x000002BA4BD90000-memory.dmp

Filesize
16.0MB

Download
memory/4348-28-0x000002BA494C0000-0x000002BA494C1000-memory.dmp

Filesize
4KB

Download
memory/4348-31-0x000002BA4B020000-0x000002BA4B030000-memory.dmp

Filesize
64KB

Download
memory/4348-4-0x000002BA4AD90000-0x000002BA4BD90000-memory.dmp

Filesize
16.0MB

Download
memory/4348-32-0x000002BA4B030000-0x000002BA4B040000-memory.dmp

Filesize
64KB

Download
memory/4348-34-0x000002BA4B040000-0x000002BA4B050000-memory.dmp

Filesize
64KB

Download
memory/4348-35-0x000002BA4B050000-0x000002BA4B060000-memory.dmp

Filesize
64KB

Download
memory/4348-36-0x000002BA4B060000-0x000002BA4B070000-memory.dmp

Filesize
64KB

Download
memory/4348-37-0x000002BA4B070000-0x000002BA4B080000-memory.dmp

Filesize
64KB

Download
memory/4348-38-0x000002BA4AD90000-0x000002BA4BD90000-memory.dmp

Filesize
16.0MB

Download