31ee8b1f5a729087bfcd58265b4558d9c382736e74934a18200756ac672f6005

Analysis

max time kernel
148s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02/05/2024, 13:25

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General

Target

lib/slf4j-api.jar
Size

40KB
MD5

caafe376afb7086dcbee79f780394ca3
SHA1

da76ca59f6a57ee3102f8f9bd9cee742973efa8a
SHA256

18c4a0095d5c1da6b817592e767bb23d29dd2f560ad74df75ff3961dbde25b79
SHA512

5dd6271fd5b34579d8e66271bab75c89baca8b2ebeaa9966de391284bd08f2d720083c6e0e1edda106ecf8a04e9a32116de6873f0f88c19c049c0fe27e5d820b
SSDEEP

768:CkwPhOR4PpSvw6vob5IJ9eoYUx7eBr9HDhzCZ+8ylnm1fjiUNcS5cXeK/7DaeR7g:CRPhOR4B0reWJYURuHN4ylnaeSI4

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4072	icacls.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 492 wrote to memory of 4072	492	java.exe	81
PID 492 wrote to memory of 4072	492	java.exe	81

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\lib\slf4j-api.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:492
- 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:4072

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
6ee021d0d3ffa07bd872c264929d65bf

SHA1
76666244982f35b8272fb771f50b63223ddef04a

SHA256
1c6b868067b531e809e55ad440ea8fa238a8b8ac6899d51992c69fe1870c7b18

SHA512
9dea6196af42ef8d1fc50fdbd9374eb51360869afb9677ba1acd586c208bf466d6287dd4248b4d75b62858cd1921cdf163c851e1b3de458add81faaaa6c85fd8

Download Submit
memory/492-2-0x0000016E4E3F0000-0x0000016E4E660000-memory.dmp

Filesize
2.4MB

Download
memory/492-12-0x0000016E4E3D0000-0x0000016E4E3D1000-memory.dmp

Filesize
4KB

Download
memory/492-13-0x0000016E4E3F0000-0x0000016E4E660000-memory.dmp

Filesize
2.4MB

Download