2c8c7b95640f31985f83580402f26a06b78c55877fa33ef1f9d14d2ebb2d8ecd

Analysis

max time kernel
42s
max time network
42s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 07:00

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General

Target

BurpLoaderKeygen.jar
Size

30KB
MD5

3046c470e2d186fcb6adbce1fc0611a6
SHA1

af1677a5ba92f731b3e15efb0eae6e025d9c262c
SHA256

2c8c7b95640f31985f83580402f26a06b78c55877fa33ef1f9d14d2ebb2d8ecd
SHA512

3f94a09b295e4524309da4edb58c02ebb43f556f656f81aa806d56e5b18928a4e504d6777ef20a813c70c948fac4aecbe562f028aab7f7435bf6fedf31415639
SSDEEP

768:IcLie6lfEKyYS8izs8tyPAR8NY/LJSRMXql9Gkt4:xLie6lfEKyYSwwNYU96Y

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3804	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\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\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\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\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\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4436	java.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 3804	4436	java.exe	90
PID 4436 wrote to memory of 3804	4436	java.exe	90
PID 4436 wrote to memory of 2832	4436	java.exe	94
PID 4436 wrote to memory of 2832	4436	java.exe	94

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\BurpLoaderKeygen.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4436
- 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:3804
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -version
  2⤵
  PID:2832

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
a397a6e99d40544bbc7e6cae5bffa15e

SHA1
841cdf4dbad5e859b9790901f90cb7845e60bf53

SHA256
675d22acfce405dcee5d1229ef669395ac1082d801ef2dee69e14de972306ac1

SHA512
f0ac15a8a5f1e112f8fb11bdb22a6b637100599d004b130e3a19bcae9a9d6675a78446ae5c736065cf8bb552a9b7bc61bb2750cf078748d84dc1bedb88d68bdb

Download Submit
memory/2832-45-0x0000020BE2A90000-0x0000020BE2A91000-memory.dmp

Filesize
4KB

Download
memory/2832-52-0x0000020BE2AB0000-0x0000020BE2D20000-memory.dmp

Filesize
2.4MB

Download
memory/4436-29-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-4-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-36-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-19-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-51-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-17-0x0000022763450000-0x0000022763451000-memory.dmp

Filesize
4KB

Download
memory/4436-56-0x00000227636F0000-0x0000022763700000-memory.dmp

Filesize
64KB

Download
memory/4436-57-0x0000022763770000-0x0000022763780000-memory.dmp

Filesize
64KB

Download
memory/4436-58-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download
memory/4436-59-0x0000022763780000-0x0000022763790000-memory.dmp

Filesize
64KB

Download
memory/4436-60-0x0000022763750000-0x0000022763760000-memory.dmp

Filesize
64KB

Download
memory/4436-61-0x0000022763760000-0x0000022763770000-memory.dmp

Filesize
64KB

Download
memory/4436-62-0x0000022763470000-0x0000022764470000-memory.dmp

Filesize
16.0MB

Download