84896fbfb13875ac47d85739e4b55e34f0f60a183c27077426cf839020d91e13

Analysis

max time kernel
586s
max time network
596s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 18:17

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General

Target

jars/JavaCheck.jar
Size

1KB
MD5

2b96e0a98d55af7d8b552974528bcb28
SHA1

47bbbaef4bbfde66db7d4c58428e43fac950f11e
SHA256

6b350b222366434d20be527ca7a27c7a8b8f7692ae7d2fbfec4f120e5894022a
SHA512

5fbd76d7f281e2557092e073eee6058aaee1a9d25836cc20b233b819f511c366b6d4bae3a98c18a2a04726cb0414be9a65a11cdf0d529a8998c77166b36b3c3a

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4308	icacls.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	4452	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4308	1200	java.exe	89
PID 1200 wrote to memory of 4308	1200	java.exe	89

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\jars\JavaCheck.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- 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:4308

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:2712

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4452

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
db42125c021c15363e6bd7dc270dff00

SHA1
067b242b005de4f0eeb50f8d57111e2e284a2a89

SHA256
63d2598e0e8d78c319d910a674a49aa7e515fdd20e57887164969bcb16f12e8c

SHA512
e413048c3ff4c34a224c971e3ec85ccef56ca685149234e10f2b4ed1094366f9832fa65f12c1b187278df58052a529a91aedf707b7c364e268439e194554f9db

Download Submit
memory/1200-4-0x000002541C420000-0x000002541D420000-memory.dmp

Filesize
16.0MB

Download
memory/1200-12-0x000002541C400000-0x000002541C401000-memory.dmp

Filesize
4KB

Download
memory/4452-52-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-54-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-45-0x0000023E27DF0000-0x0000023E27DF1000-memory.dmp

Filesize
4KB

Download
memory/4452-46-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-47-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-48-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-49-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-50-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-51-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-13-0x0000023E1F740000-0x0000023E1F750000-memory.dmp

Filesize
64KB

Download
memory/4452-53-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-29-0x0000023E1F840000-0x0000023E1F850000-memory.dmp

Filesize
64KB

Download
memory/4452-55-0x0000023E27E20000-0x0000023E27E21000-memory.dmp

Filesize
4KB

Download
memory/4452-56-0x0000023E27A40000-0x0000023E27A41000-memory.dmp

Filesize
4KB

Download
memory/4452-57-0x0000023E27A30000-0x0000023E27A31000-memory.dmp

Filesize
4KB

Download
memory/4452-59-0x0000023E27A40000-0x0000023E27A41000-memory.dmp

Filesize
4KB

Download
memory/4452-62-0x0000023E27A30000-0x0000023E27A31000-memory.dmp

Filesize
4KB

Download
memory/4452-65-0x0000023E27970000-0x0000023E27971000-memory.dmp

Filesize
4KB

Download
memory/4452-77-0x0000023E27B70000-0x0000023E27B71000-memory.dmp

Filesize
4KB

Download
memory/4452-79-0x0000023E27B80000-0x0000023E27B81000-memory.dmp

Filesize
4KB

Download
memory/4452-80-0x0000023E27B80000-0x0000023E27B81000-memory.dmp

Filesize
4KB

Download
memory/4452-81-0x0000023E27C90000-0x0000023E27C91000-memory.dmp

Filesize
4KB

Download