36bf584a3c3ece520fb889a475ca4e2976925e70f5d240b2020ea7f882839fb8

Analysis

max time kernel
142s
max time network
157s
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, 01:45

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General

Target

67e00d139b6348ec53d26f3cdcc3e958fe76a35ea933199a615e210667a5ade7.jar
Size

209KB
MD5

3333050c3c251d6d86514742a16005e4
SHA1

672122d7cb8b07c939f4bf1415e9c253bd3e41e4
SHA256

67e00d139b6348ec53d26f3cdcc3e958fe76a35ea933199a615e210667a5ade7
SHA512

208d54ece920d384dd8a025c3c70114ec040713c3aa6991f574fa343853d2f098bc8bebc213f35f605c6c3c52d72be1f51d5a48f77ff76a959cffac5d1d78559
SSDEEP

6144:fm98tJ9Hd/A8FSywzy4RrCVws46CumPHVmyKk:fmatjt7Rw/ews46qNKk

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5932	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\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\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\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\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

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 5932	4040	java.exe	101
PID 4040 wrote to memory of 5932	4040	java.exe	101

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\67e00d139b6348ec53d26f3cdcc3e958fe76a35ea933199a615e210667a5ade7.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4040
- 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:5932

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:2440

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

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Downloads

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

Filesize
46B

MD5
56ac4b6d84b486a62673c69d612e0bc6

SHA1
56956d9924ac62ca0efa909311f81352015777d5

SHA256
835bae965a4cdfd96fad184f46507525897da14a153de69fcd4875f9c0f662e2

SHA512
41c15e1cc3cd84368b50bf82a2799a1a84bbd9fd6a3fda3c08bd1d016cbcf184f9d00fd4a098af5f4e4e132eabd2a09303f39d3d83e58182c610ee24f6762167

Download Submit
memory/4040-2-0x0000023DB6DB0000-0x0000023DB7DB0000-memory.dmp

Filesize
16.0MB

Download
memory/4040-12-0x0000023DB6D90000-0x0000023DB6D91000-memory.dmp

Filesize
4KB

Download