b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2024, 03:15

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General

Target
b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185.jar
Size 186KB
Sample240322-dr3jyaaa5t
SHA256 b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185
MD5 2f4085fc9e8ff8495114910c1d93342d
SHA1 61c71ed13a00a3b271d6ea1400fc58e248654cab
SHA512 a93cf098f9a40520229e28f34a6831afdb099a67321708d1425c232f6942b2ee1d326d683021bff6055e110d65c0e0727d4aa88b277cbf3bba1b0c2062507e73
SSDEEP 3072:ULrNBttm1LfHpGQH0TchAOuP47zpiNukQ0HceZ2+jzQndHvSn2JVAJpE7M9nrI2M:Un72pachnd7zpiNlHceZrcdHhVA2IrIJ
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
4184	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\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\symbols\dll\ntdll.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\symbols\dll\jvm.pdb	java.exe
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\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 4184	2940	java.exe	98
PID 2940 wrote to memory of 4184	2940	java.exe	98

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\b28e574048022dfe9483a9054f2bb96bc597d64c93a2a36ad27c03034ab5f185.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2940
- 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:4184

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3736 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:5044

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

memory/2940-2-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

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memory/2940-11-0x000001D91DB80000-0x000001D91DB81000-memory.dmp

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memory/2940-17-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

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memory/2940-19-0x000001D91DBA0000-0x000001D91EBA0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads