506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53

Analysis

max time kernel
92s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2024, 01:19

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General

Target
506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar
Size 66KB
Sample240403-bphewabe5v
SHA256 506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53
MD5 d3750bcff315622063c92704a3247186
SHA1 9f3807e776dee2c7fe0afa370c8ac8c6971dfab8
SHA512 807e15c8ed8e988a01ca8af6f63b06ed897d2a77ac070c0a02370a789421fb741c785b846a24a0084a21c35dd1462dcdd08ddaef6c665112dd40a9b7e2bb1c1e
SSDEEP 1536:txuvjSsHfnuZ77A31Za/dDcvNrx7H2ldh:yvjSmnaU31ZOKNN2Lh
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2532	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\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\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\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\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\server\symbols\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 2532	5016	java.exe	85
PID 5016 wrote to memory of 2532	5016	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5016
- 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:2532

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

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 6385b3606629cf478fcf516690636db74e55f62466562130e17468d1a57f9a92
MD5 42a186ecc6bc74b2c95022404716bb7f
SHA1 100e9fbf0285ed84ceb337e4ada68ed633619b07
SHA512 3008d09b00db987a87bb4b11695465ed498742281d19e142f7c760291ff5b4c7de70181503f29c379a1b01ee3a94e59712b348e00168de6a5ed6ff80ec5200d8
MD5 SHA1 SHA512

Submit Download

memory/5016-4-0x000001EC33060000-0x000001EC34060000-memory.dmp

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memory/5016-12-0x000001EC31770000-0x000001EC31771000-memory.dmp