1dfd81ebae1060bb1437f7083e287a74cdc72c5f667b851b6956580d928d8691

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 01:16

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General

Target

1dfd81ebae1060bb1437f7083e287a74cdc72c5f667b851b6956580d928d8691.jar
Size

66KB
MD5

693f550992179d007e13d68d24f54c2e
SHA1

794c4bd6c87f9edcd5f73e9d0f97c2879c2a53ec
SHA256

1dfd81ebae1060bb1437f7083e287a74cdc72c5f667b851b6956580d928d8691
SHA512

47da4d2415f8c16d46bdea769f7ab17164460c641b014a8741bab3a1f09b50a01edee418e8939f44f6e0f24fe518983ae1846ca01190ce13c63494cc9214297e
SSDEEP

1536:OQAvsUq9hJrNB5mtCnZ+N+UAzDCb6ixMvNOeN:OzvG3JrsUn66COimRN

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2344	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\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\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\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\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\ntdll.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\symbols\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 2344	4976	java.exe	96
PID 4976 wrote to memory of 2344	4976	java.exe	96

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\1dfd81ebae1060bb1437f7083e287a74cdc72c5f667b851b6956580d928d8691.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4976
- 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:2344

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=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:1920

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
ca6049185486712cf054102015214ae7

SHA1
4d0e17af55beb015c76e0246b7971108f92d42af

SHA256
7c677305c401aa9f3077e7ad5ed4020bc26b1a2c4c0c59814826122f72c1759c

SHA512
29f072f07ba22a5d37cc3655b26bbdb2a18d27ab5a47dffde4889073fa71298b10ae86cfc992084e4ca5acecf47ab597199eeee14420af8839b2b42316cd4db7

Download Submit
memory/4976-2-0x0000025B4D5D0000-0x0000025B4E5D0000-memory.dmp

Filesize
16.0MB

Download
memory/4976-12-0x0000025B4BE00000-0x0000025B4BE01000-memory.dmp

Filesize
4KB

Download
memory/4976-21-0x0000025B4D850000-0x0000025B4D860000-memory.dmp

Filesize
64KB

Download
memory/4976-23-0x0000025B4D5D0000-0x0000025B4E5D0000-memory.dmp

Filesize
16.0MB

Download
memory/4976-22-0x0000025B4D870000-0x0000025B4D880000-memory.dmp

Filesize
64KB

Download
memory/4976-24-0x0000025B4D860000-0x0000025B4D870000-memory.dmp

Filesize
64KB

Download
memory/4976-25-0x0000025B4D880000-0x0000025B4D890000-memory.dmp

Filesize
64KB

Download
memory/4976-26-0x0000025B4D5D0000-0x0000025B4E5D0000-memory.dmp

Filesize
16.0MB

Download