2e2dea44f85ff4988ed8ddfcee37cc0e4ec9eadb941222eb8afae8a8358b892c

Analysis

max time kernel
150s
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
19/03/2024, 08:32

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General

Target

PO#0015871.jar
Size

178KB
MD5

6c4517de2d20c07218aacd670022ad00
SHA1

78d0f64fc0f4c5d6902762bbe514a7e1af8708d1
SHA256

2e2dea44f85ff4988ed8ddfcee37cc0e4ec9eadb941222eb8afae8a8358b892c
SHA512

09a2171864e03ac9b2415fece8f3a7c7890480adde3418325231d4c965e227229dc997de9fa4071a3f8fe1040971e0aed852a1aa61a9e7753dd1ddb80e04caeb
SSDEEP

3072:iM9ZDCAIY6kppdX3UivK8V4Elu1n4M1vnYivy3LdCi0oUGGKp2iEYLpNj7bFDm:iMDLIk/dnU1x4M1PYivxATFLPbFq

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4408	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\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\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\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 WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4408	4052	java.exe	90
PID 4052 wrote to memory of 4408	4052	java.exe	90

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO#0015871.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4052
- 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:4408

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
0c4217d0b16f1054b63daf015220893a

SHA1
7164b03ceb675d64e84f6eb6bff0852d5472a205

SHA256
38ea8d113beb1ea61c90ed87e71ec63656d316d160021003f96e351fcd1dfcda

SHA512
83b67b0001e1e90a067250cf6e6c7f656cdf2cf370c28ebe72418aa1082e42971443c1dd19197206d267f7262d60c93081694608b0edce5932cdfdc53cd42002

Download Submit
memory/4052-4-0x000002BD80000000-0x000002BD81000000-memory.dmp

Filesize
16.0MB

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